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 of length 150 metres takes 40.5 seconds to cross a tunnel of length 300 metres. What is the speed of the train in km/hr?
A. 13.33
B. 26.67
C. 39.16
D. 40