Among four cars, weight of T1 is twice the weight of T2. Weight of T3 is half of the weight of T2. T4 is 25 kg heavier than T2, but 25 kg lighter thanT1. What is the difference (in kg) between the weight of T4 and T3?
The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?
If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, the compound interest on the same at the same rate and for the same time is: