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Time and Work 2018 MAINS SBI CLERK
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How to solve time and work based problem

## Mohit Kumar is teaching live on Unacademy Plus

Mohit Kumar
M.Tech from IIT | SBI PO Qualified | 4 years of Teaching experience | Assistant Professor in MIT MUZAFFARPUR (Bihar Govt.)

U
Sy
sir this preparation is also useful for agriculture exam sir please reply
too good sir. bring more!
Tnk u sir excellent di
1. SBI CLERK MAINS 2018 TIME AND WORK BASED TABULAR DI

2. DIRECTION (I-5): TABLE GIVEN BELOW SHOWS PERCENTAGE OF MEN OUT OF TOTAL MEN WHO WORKED ON ODD DAYS IN THREE DIFFERENT MONTHS AND REST OF THE MEN ARE WORKING ONN EVEN DAYS OF THE RESPECTIVE MONTH. STUDY THE TABLE CAREFULLY AND ANSWER THE FOLLOVN NG QUESTIONS Total Number of Men Percentage of men worked Months March Aptil August worked 1000 1500 750 on odd number days 30% 20 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked x Total day of work x 8 hours

3. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

4. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March 16 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

5. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March = 16 men work on odd days 30% of 1000 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

6. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March 16 men work on odd days 30% of 1000:-300 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours

7. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March = 16 man work on odd days 30% of 1000 (30/100) 1000 -30 10 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS - 300 20% Total man-hour on odd days = Total man work total day of work 8 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

8. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March 16 man work on odd days 30% of 1000 (30/100) 1000 -30 10 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS - 300 20% Total man- hour on odd days Total man work x total day of work x 8 - 300 x 16 x 8 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours

9. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March 16 man work on odd days-30% of 1000 (30/100) 1000 30% 1 0 300 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS Total man- hour on odd days Total man work x total day of work x 8 300 x16 x 8 38400 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

10. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March = 16 man work on odd days-30% of 1000 (30/100) 1000 30% 1 0 300 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS Total man-hour on odd days = Total man work total day of work x 8 300 x16 x 8 3 8400 20% Total odd days of April = 15 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

11. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March = 16 man work on odd days-30% of 1000 (30/100) 1000 Tolal Number of Men Pencentage of men worked = 30*10 = 300 Months March April Augast worked 1000 1500 750 on odd number dayS Total man-hour on odd days = Total man work total day of work x 8 300 16 x 8 38400 20% Total odd days of April 15 man work on even days of April = (100-20) % of 1500 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

12. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March 16 man work on odd days-30% of 1000 (30/100) 1000 30% 1 0 300 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS Total man- hour on odd days Total man work x total day of work x 8 300 16 x 8:: 38400 20% Total odd days of April 15 man work on even days of April = (100-20) % of 1500 60% = 80% of 1500 - (80/100) x 1500 80x 15 1200 Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

13. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd days of March 16 man work on odd days-30% of 1000 - (30/100) 1000 - 30*10 300 Total Number of Men Pencentage of men warked on odd number days 0% Months March April Augast worked 1000 1500 750 Total man-hour on odd days = Total man work x total day of work 8 300 x 16 x 8 38400 Total odd days of April 15 man work on even days of April-(100-20) % of 1500 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours = 80% of 1500 (80/100) x 1500 80 x 15 1200 Total man-hour on even days = Total man work x total day of work x 8 - 1200 x 15 x 8 144000

14. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd daysof March-T6 man work on odd days-30% of 1000 Total Number of Men Percentage of men worked (30/100) 1000 = 30*10 = 300 Months March April August worked 1000 1500 750 on odd number days 30% 20% 60% Total man- hour on odd days Total man work x total day of work x 8 300 x 16 x 8 38400 Total odd days of April 15 man work on even days of April-(100-20) % of 1500 Note: Each man works for 8 hours per day Total man-hours = Total man worked x Total day of work 80% of 1500 = (80/ 100) x 1500= 80 x 15 = 1200 Total man-hour on even days = Total man work x total day of work x 8 8 hours - 1200 x 15 x 8 144000 % of total man-hour on odd days of March to Total man-hour on even days of April ( 38400/ 144000) * 100% = (384/ 1440) * 100% = [( 384*10) / 144]%

15. 1) Total man-hours on odd days of march is what % of the total man-hours on even days of April? A. 80/3 % B. 56/3 % C. 100/3 % D. 175/3% E.50/3 % Total odd daysof March-T6 man work on odd days-30% of 1000 Total Number of Men Percentage of men worked (30/100) 1000 - 30*10 300 Months March April August worked 1000 1500 750 on odd number days 30% 20% 60% Total man-hour on odd days = Total man work x total day of work 8 300 x 16 x 8 38400 Total odd days of April 15 man work on even days of April-(100-20) % of 1500 Note: Each man works for 8 hours per day Total man-hours = Total man worked x Total day of work x 8 hours = 80% of 1500 = (80/ 100) x 1500= 80 x 15 = 1200 Total man-hour on even days = Total man work x total day of work x 8 1200 15 8 = 144000 % of total man-hour on odd days of March to Total man-hour on even days of April ( 38400/ 144000) * 100% Odd 38400 Even (3841440) * 100% [ 384*10) / 1441%-[( 48*80)/(48*3)1%-80/3% March April August 144000

16. 2) Total man hour of April is how much more or less than the total man hour of August? A. 80,000 B. 83,200 C. 84,800 D. 86,400 E. 88,000 Total days of April 30 Total man hours of April = Total man work x total day of work x 8 hours - 1500 x 30 x 8 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours

17. 2) Total man hour of April is how much more or less than the total man hour of August? .80.000 B.83,200 C.84,800 D. 86,400 E.88,000 Total days of April 30 Total man hours of April = Total man work x total day of work x 8 hours - 1500 x 30 x 8 (15 3*8) 1000 Tolal Number of Men Pencentage of men worked Months March April Augast = 360 * 1000 worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

18. 2) Total man hour of April is how much more or less than the total man hour of August? A. 80,000 B. 83,200 C. 84,800 D. 86,400 E. 88,000 Total days of April 30 Total man hours of April = Total man work x total day of work x 8 hours - 1500 x 30 x 8 (15 3*8) 1000 Tolal Number of Men Pencentage of men worked Months March April Augast = 360 * 1000 = 360000 hours worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours

19. 2) Total man hour of April is how much more or less than the total man hour of August? .80.000 B.83,200 C.84,800 D. 86,400 E.88,000 Total man hours of April (144000) + (300 15 * 8) - 14400036000 1,80,000 Total Number of Men Pecentage of men worked Months March April August worked 1000 1500 750 on odd number dayS 30% Total man hours of August = (40 % of 750 * 15 * 8) + ( 60% of 750 * 16 * 8 ) 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours Even March April August Odd 38,400 36,000 1,44,000

20. 2) Total man hour of April is how much more or less than the total man hour of August? .80.000 B.83,200 C.84,800 D. 86,400 E.88,000 Total man hours of April = (144000) + (300 * 15 * 8) - 14400036000 1,80,000 Total Number of Men Pecentage of men worked Months March April August worked 1000 1500 750 on odd number dayS 30% Total man hours of August (40 % of 750 * 15 * 8) + ( 60% of 750 * 16 * 8 ) =(300 * 15 * 8) + (450 * 16*8) 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours Even March April August Odd 38,400 36,000 1,44,000

21. 2) Total man hour of April is how much more or less than the total man hour of August? .80.000 B.83,200 C.84,800 D. 86,400 E.88,000 Total man hours of April = (144000) + (300 * 15 * 8) = 144000 + 36000 = 1.80,000 Total Number of Men Pecentage of men worked Months March April August worked 1000 1500 750 on odd number dayS 30% Total man hours of August (40 % of 750 * 15 * 8) + ( 60% of 750 * 16 * 8 ) - (300 15 8) + (450 16 8) - (36,000) (3600 16) 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours Even March April August Odd 38,400 36,000 1,44,000

22. 2) Total man hour of April is how much more or less than the total man hour of August? .80.000 B.83,200 C.84,800 D. 86,400 E.88,000 Total man hours of April = (144000) + (300 * 15 * 8) - 14400036000 1,80,000 Total Number of Men Pecentage of men worked Months March April August worked 1000 1500 750 on odd number dayS 30% Total man hours of August = (40 % of 750 * 15 * 8) + ( 60% of 750 * 16 * 8 ) - (300 15 8) + (450 16 = (36,000) + (3600 * 16) - (36,000)+ (57,600) 8) 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours Required difference = 1,80,000-93,600 Even March April August Odd 38,400 36,000 57,600 1,44,000 36,000

23. 2) Total man hour of April is how much more or less than the total man hour of August? .80.000 B.83,200 C.84,800 D. 86,400 E.88,000 Total man hours of April = (144000) + (300 * 15 * 8) - 14400036000 1,80,000 Total Number of Men Pecentage of men worked Months March April August worked 1000 1500 750 on odd number dayS 30% Total man hours of August = (40 % of 750 * 15 * 8) + ( 60% of 750 * 16 * 8 ) - (300 15 8) + (450 16 = (36,000) + (3600 * 16) - (36,000)+ (57,600) 8) 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours Required difference = 1.80,000-93,600 = 86,400 Even March April August Odd 38,400 36,000 57,600 1,44,000 36,000

24. 3) Find the ratio between man-hour on even days of March to man hour on even days of August? A.6:1 B.7:3 .8:3 D. 3 :7 E. 9 :2 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours

25. 3) Find the ratio between man-hour on even days of March to man hour on even days of August? A. 6: B. 7:3 C. 8:3 D. 3:7 E. 9:2 Total even days of March 15 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours Even March April August Odd 38,400 36,000 57,600 1,44,000 36,000

26. 3) Find the ratio between man-hour on even days of March to man hour on even days of August? A.6:1 B.7:3 .8:3 D. 3 :7 E. 9 :2 Total even days of March = 15 man work on even days-(100-30)% of 1000-700 Tolal Number of Men Pencentage of men worked Total man-hour on Even days = 15 * 700 * 8 = 84,000 Months March April Augast worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours Total man worked x Total day of work x 8 hours Even March 84,00 April Odd 38,400 36,000 57,600 1,44,000 August 36,000

27. 3) Find the ratio between man-hour on even days of March to man hour on even days of August? A.6:1 B.7:3 .8:3 D. 3 :7 E. 9 :2 Total even days of March = 15 man work on even days-(100-30)% of 1000-700 Tolal Number of Men Pencentage of men worked Total man-hour on Even days = 15 * 700 * 8 = 84,000 Months March April Augast worked 1000 1500 750 on odd number dayS 20% Required Ratio 84,000 Z 36,000 3 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours Even March 84,00 April Odd 38,400 36,000 57,600 1,44,000 August 36,000

28. 4) Man-hour on odd days of April is how much % less than the man hour on odd days ofAugust? A. 100/3% B. 40% C. 37.5% D. 62.5% E. 60% 57,600-36,000 x 100 - 57,600x 100-21,600 37000 100 = 36 Tolal Number of Men Pencentage of men worked Months March April Augast 96 worked 1000 1500 750 on odd number dayS 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours March April August Even 84,000 1,44,000 36,000 Odd 38,400 36,000 57,600

29. 4) Man-hour on odd days of April is how much % less than the man hour on odd days ofAugust? A. 100/3% B. 40% C. 37.5% D. 62.5% E. 60% 57,657 600,000 100 = 27,600 100 = 96 100 = 3x100 = 37.5% 21,600 Tolal Number of Men Pencentage of men worked Months March April Augast worked 1000 1500 750 on odd number dayS 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours March April August Even 84,000 1,44,000 36,000 Odd 38,400 36,000 57,600

30. 4) Man-hour on odd days of April is how much % less than the man hour on odd days ofAugust? A. 100/3% B.40% C. 37.5% D. 62.5% E. 60% Total odd days of April 15 men work on odd days = 20% of 1500 (1/5) 1500 300 Tolal Number of Men Pencentage of men worked Man hour on odd days of April Total man work x total day of work x 8 300 158 300 120 36000 Months March April Augast worked 1000 1500 750 on odd number dayS Total odd days of August = 16 men work on odd days = 60% of 750 = (3/5) * 750 = 3 * 150 = 450 Man hour on odd days of Aug Total man work x total day of work x 8 20% 60% Note: Each man works for 8 hours per day Total man-hours = Total man worked Total day of work x 8 hours - 450 16 8 57600 man hour on odd days of April to man hour on odd days of August- - 57600-36000 21600 % less than the man hour on odd days of April to man hour on odd days of August = (21 60 /57600) * 100% = 37.5 %