A person was asked to state his age in years. His reply was, 'Take my age three years hence, multiply it by 3 and then subtract three times my age three years ago and you will know how old I am' What was the age of the person ?

In an election, 30% of the voters voted for candidate A whereas 60% of the remaining voted for candidate B. Th...

A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Tk. 392, what was his pr...

The least whole number which when subtracted from both the terms of the ratio 6 : 7 gives a ratio less than 16...

10 man, working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complet...

Two taps A and B can fill a tank in 5 hours and 20 hours respectively. If both the taps are open then due to a...

A train can travel 50% faster than a car. Both start lost about 12.5 minutes while stopping at the stations. T...