A sum becomes 4 times of itself in 8 years at compound interest. In how many years it becomes 8 times of itself at same rate of compound interest?

  1. 32 years
  2. 12 years
  3. 16 years
  4. can’t be determined

If 8 men and 10 women take 3 and 4 days respectively to dig a 4*4*4 pit. How many days 6 men and 15 women combined will take to dig the same pit?

  1. 8.5 days
  2. 1.6 days
  3. 6 days
  4. 2.33 days

8 years ago, ratio of ages of Arjun and Brijesh was 1:2.  And 4 years from now ratio of ages ages of Brijesh and Deepak will be 2:3. Average of current ages of Arjun and Deepak is 27. Find Current Age of Deepak?

A sugar mill owner adds 20% impurities in his product and cheats the consumer by 30% while selling. He claims to sell the items on cost price?

What is the % profit he is making?

50%

0%

20%

71%

A man purchases 2 equal lots of apples. In first lot he at the rate of 7 for 1 Rs. and in second 5 for 1Rs. He then sold them at  40 for 12. Find his profit or loss percentage.