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:- A train 100 meters long passes a platform 100 meters long in seconds. The speed of the train is
A. 36 km/hr
B. 52 km/hr
C. 72 km/hr
D. 92 km/hr