A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is

Five dice are tossed together. What is the probability of getting different faces in all of the dice?

An item costing Rs. 840 was sold by a shopkeeper at a gain of 10 % and it was again sold by the new buyer at a loss of 5 %. Find selling price of the item is: 

The largest natural number which exactly divides the product of any four consecutive natural numbers is

The following table shows the number of units of product produced and sold by a company over the course of six years.

The number of units of product sold in 2016 is approximately what percent more than the average number of units produced from 2012 to 2016?

When the price of an audio system was reduced by 20%, the sale increased by 80%. What was the net effect on the sale?

If A, B and C can complete a piece of work in 6 days. If A can work twice faster than B and thrice faster than C, than the number of days C alone can complete the work is: 

A circle is inscribed in a equilateral triangle of side 24 cm. What is the area ( in cm²) of a square inscribed in the circle?