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TIME & WORK LCM Efficiency Shortcut Tricks 7 20 QUESTIONS unacademy

Course Overview . Basics of Time & Work Problems LCM (Efficiency) Method . In-depth Analysis of Efficiency method through Questions Advanced Tricks to Solve Quickly Different Types of Time & Work Problems .Previous Year PSC Questions

19. Working efficiencies of P and Q for completing a piece of work are in the ratio 3:4. The number of days to be taken by them to complete the work will be in the ratio

19. Working efficiencies of P and Q for completing a piece of work are in the ratio 3:4. The number of days to be taken by them to complete the work will be in the ratio Efficiency Ratio will be opposite of Days Ratio

19. Working efficiencies of P and Q for completing a piece of work are in the ratio 3:4. The number of days to be taken by them to complete the work will be in the ratio Efficiency Ratio will be opposite of Days Ratio Days Ratio 4:3

20. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

20. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it? (4m + 6w) x 8 - (3m + 7w) x 10 (16m 24w) (15m35w)

20. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it? (4m + 6w) 8 = (3m + 7w) 10 (16m 24w) (15m35w) 1m 11 w Total Work = (4 11 +6) 8 = 50 8 = 400 m 11 W 1

20. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it? (4m + 6w) 8 = (3m + 7w) 10 (16m + 24w) = (15m + 35w) 1m 11 w Total Work = (4 11 +6) 8 = 50 8 = 400 Work by 10 women (10 x 1)- 10 Days needed- 400 - 40 days m 11 W 1

21. A can do a piece of work in 40 days. He works at it for 8 days and then B finished the work in 16 days. How long will they take to complete the work if they do it together

21. A can do a piece of work in 40 days. He works at it for 8 days and then B finished the work in 16 days. How long will they take to complete the work if they do it together Let Efficiency of A >1 Total Work 40 x 1- 40 Work Done in 8 days by A 8 Remaining Work 40-8 32 Efficiency of B-32 -2 16

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