Simple Interest with Explanation

Q15. If Rs. 64 amounts to Rs. 83.20 in 2 years, find the value that Rs. 86 will amount to in 4 years at the same rate of interest?

A. Rs. 137.60 B. Rs. 147
C. Rs. 127.50 D. Rs. 125.90

Q16. Suresh invested in all Rs. 2600 in three different schemes at 8%, 4%, and 6% per annum simple interest. At the end of the year, he received the same interest in all the three schemes. What is the money invested in scheme having 4% rate of interest?

A. Rs. 700 B. Rs. 1200
C. Rs. 800 D. Rs. 750