A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?

Find the odd man out:4, 9, 256, 529, 573

Today is 29th November,2015 is a sunday. What would be 364th day from now?

P and Q take part in 100 m race. P runs at 6kmph. P gives Q a start of 8 m and still beats him by 8 seconds. The speed o…

In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less tha…

A & B partner in a business , A contribute 1/4 of the capital for 15 months & B received 2/3 of the profit . For…

Find the speed of the train, if a train 142 m long passes a pole in 6 seconds.

What is 12 percent of 80 percent of 50?