Ques:- The difference between the compound interest and the simple interest on a certain sum of money at 5% per annum for 2years is Rs. 1.50. Find the sum.
A. Rs. 800
B. Rs. 1200
C. Rs. 400
D. Rs. 600
E. None of these
Ques:- One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8 : 7. If the mixture so formed be worth Rs. 10 per kg. What is the rate per kg of the second quality of wheat?
A. Rs. 10.30
B. Rs. 10.60
C. Rs. 10.80
D. Rs. 11