SOLVE A WIDE RANGE OF QUESTIONS FROM MIXTURES & ALLIGATIONS Presented by Dhiraj Singh
About me .B.Sc. (Hons.) from BHU Varanasi 24th rank in CGL-2015(tier 1+tier2) . Score: tier 1-150 tier 2- 347.25 .total-497.25 out of 600 .Course fee: CONTRIBUTE Follow me on Unacademy at: https://unacademy.in/user/dhirajaryal
12. A bag contains 50 coins of Rs 1 and 50 p and their value is Rs.35. Find number of Rs. 1 coins.
50 2.5 Remain M) 10 No. of coins =
-13. Ali invested some part of 10000 in PNB at rate of 10% interest per annum and rest in SBI at 20% interest. After one year, He got Rs. 1200 as interest. Find money invested in SBI
S B loo o lo % of SBI 2.0D se) = 2.000
14. Population of Rampur is 8000. Male population increased by 6% and Female population increased by 10%. After 1 year, population became 8600. Find no. of females.
8000 Male M80 1 20 Females = 120 0-3000 4/loo- 3000
15. In an exam, 200 questions were asked. For every right answer, 2 marks were given and for every wrong answer , 0.5 mark was deducted. Sonika attempted all questions and got 300 marks. Find no. of right attempts.
200 X 2 = 40D marks l oo 2 + 0.5 CORRECT= 160