The correct answer is D
A motor car travels a distance of 100 km at the speed of 20 kmph. If it covers the next 140 km of its journey at the speed of 70 kmph and last 60 km of ...
A is cycling at an average speed of 11 km/hr such that he can reach a certain point at 12 noon. If he cycles at 22 km/hr, then he will reach the destina...
Saket and Rakesh are brothers whose shops are located at a distance of 10km and 12km respectively from their home. Both of them start at the same time f...
A boat travels from dock ‘M’ to dock ‘N’ at a constant speed. If its speed was increased by 8 km/h, it would have taken 4 hours less to cover th...
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 30 km, the find the total distance tra...
A and B are travelling towards each other with a speed of 10 km/hr and 20 km/hr. They started at same time and A covered 20 km less distance than B befo...
On Diwali, a child Plants a bomb at a place and starts running at 60 m/s. After 58 seconds the bomb blasted. In how much time the sound of blast will be...
A car travels a distance of 150 km at the speed of 30 kmph. If it covers the ne×t 180 km of its journey at the speed of 60 kmph and last 80 km of ...
Average speed of ‘A’ during a 20-hour journey is 24 km/h. If he covered the first 320 km of his journey at a speed of 20 km/h, then find the speed a...
A car travels at three-fourths of its original speed, taking 20 minutes more than the usual time to cover a given distance. Find ...
