The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two-digits of that number?

A jogger running at 9 km/hr alongside a railway track is 240 meters ahead of the engine of a 120 meters long t...

In a race 200m, A can beat B by 31m and C by 18m. In arace of 350m, C will beat B by------

An automobile financier claims to be lending money at simple interest, but he includes the interest every six...

a man can row at 5 km/hr in still water. If the velocity of the current is 1 km/hr and it takes him 1 hour to...

The price of commodity X increases by 40 paisa every year, while the price of commodity Y increases by 15 pais...

If the numerator of fraction is increased by 200% and the denominator is increased by 350% . The resultant fra...