Kim and Om are travelling from point A to B, which are 400 km apart. Travelling at a certain speed Kim takes one hour more than Om to reach point B. If Kim doubles her speed she will take 1 hour 30 min less than Om to reach point B. At what speed was Om driving from Point A to B

The sum invested in Scheme B is thrice the sum invested in Scheme A. Investment in Scheme A. Investment in Scheme A is made for 4 years at 8% p.a. simple interest and in Scheme B for 2 years at 13% p.a. simple interest and in Scheme B for 2 years at 13% p.a. simple interest. The total interest earned from both the schemes is INR 1320/-. How much was invested in Scheme A

At present, the respective ratio between the ages of A and B is 3:8 and that between A and C is 1 : 4. 3 years ago, the sum of ages of A, B and C will be 83 years. What is the present age of C

A tank has two inlets : P and Q. P alone takes 6 hours and Q alone takes 8 hours to fill the empty tank completely when there is no leakage. A leakage was caused which would empty the full tank completely in ‘X’ hours when no inlet is opened. Now, when only inlet P was opened, it took 15 hours to fill the empty tank completely. How much time will Q alone take to fill the empty tank completely ? (in hours)

What is the difference between the total number of watches sold in both the towns together in June and the total number of watches sold in both the towns together in March

The number of watches sold in Town X in July was 10% more than the number of watches sold in the same Town in May. What is the respective ratio between the number of watches sold in July and those sold in January in the same town