A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of t…

A square playground measure 1127.6164 sq.m. If a man walks $$2\frac{9}{{20}}$$ m a minute, the time taken by him to walk…

Mary jogs 9 km at a speed of 6 km per hour. At what speed would she need to jog during the next 1.5 hours to have an ave…

Two trains of equal length take 10 sec and 15 sec respectively to cross a telegraph post. If the length of each train be…

A and B are 15 km apart and when travelling towards each other meet after half an hour where as they meet two and a half…

A person, who can walk down a hill at the rate of $$4\frac{1}{2}$$ km/hr and up the hill at the rate of 3 km/hr. He asce…

A star is 8.1 × 10<sup>13</sup> km away from the earth. Suppose light travels at the speed of 3.0 &tim…

Deepa rides her bike at an average speed of 30 km/hr and reaches her destination in 6 hours. Hema covers the same distan…