A. 28 4/7 years

**B. 31 5/7 years (Correct)**

C. 32 1/7 years

D. None of these

Explanation:

Required Average = [(67 * 2) + (35 * 2 ) + (6 * 3)]/(2 + 2 + 3)

= (134 + 70 + 18)/7 = **31 5/7 years.**

Answering Exams

A. 28 4/7 years

**B. 31 5/7 years (Correct)**

C. 32 1/7 years

D. None of these

Explanation:

Required Average = [(67 * 2) + (35 * 2 ) + (6 * 3)]/(2 + 2 + 3)

= (134 + 70 + 18)/7 = **31 5/7 years.**

- Alice aged 7 lives in a private home with her parents her grandmother and her aunt Alice,s family is an example of a (n)_____________?
- At what rate of interest will be Rs 20000 becomes Rs 24200 after 2 years when interest is compounded annually?
- Eight years ago, Zahid’s age was 4/3 times that of Shahid. Eight years hence, Zahid’s age will be 6/5 times that of Shahid. What is the present age of Zahid?
- On average what one action makes a man live 13 years longer?
- Sehar gave Shazia Rs.1250 on compound interest for 2 years at 4% per annum. How much loss would Sehar has suffered had she given it to Shazia for 2 years at 4% per annum simple interest?
- The average male loses a lb (weight ) of what in 10 years?
- The average person spends 12 years of their life doing what?
- The average person spends 8 years of their life doing what?
- The S.I. on a certain sum of money for 3 years at 8% per annum is half the C.I. on Rs. 4000 for 2 years at 10% per annum. The sum placed on S.I. is________?
- The simple interest on Rs.12000 at a certain rate of interest in five years is Rs.7200. Find the compound interest on the same amount for five years at the same rate of interest.

Comments