How many people belong to only one group?
People belonging to one group = (12+6+4) = 22
'A' can do some work alone in 16 days. 'A'and 'B' work together for 8 days after which'A' leaves and 'B' finishes the remaining work alone in 12 days. H...
An Aeroplane flies along a Square field @ 50, 100, 200 and 400 km/hours respectively. Then find the Average speed of the aeroplane during the whole jour...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 435 km away, then the usual speed of a...
A person crosses a 1600 m long street in 4 min. What is his speed (in km/h)?
Ratio of speeds of ‘A’ and ‘B’ is 4:9, respectively. If they participate in a 270-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
The speeds of Vishank and Karun are 60 km/hr and 90 km/hr. Initially, Karun is at a point P and Vishank is at a place Q. The distance between P and Q is...
A car is traveling at a speed of 144 km/hr. The car's tires have a diameter of 70 m. How long will it take for the car to complete 12 revolutions of its...
Before servicing, a car runs at a speed of 22 km/hr while after servicing, it runs at a speed of 44 km/h. After servicing the car covers a certain dista...
A is cycling at an average speed of 15 km/hr such that he can reach a certain point at 12 noon. If he cycles at 30 km/hr, then he will reach the destina...
Amrita traveled a certain distance, covering 50% of it at a speed of 15 km/h, then 40% of the remaining distance at 7.5 km/h, and the rest at 9 km/h. If...
