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The correct answer is B
Anshul lives on 19th floor and Keshav lives on 46th floor. Anshul goes up at a rate of 24 floors per minute and Keshav comes down at a rate of 30 floo...
Bus P takes 30 minutes to cover a distance of 60 km. If bus Q is 20% faster than bus P. Find the time taken by bus Q to cover the same distance?
A was travelling from point X to point Y. He increased his speed by 12 km/h after every hour. He reached his destination in 24 hours. If his initial spe...
The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 met...
Sheetal rides a bike at an average speed of 40 kmph and reaches her destination in 5 hours. Hemlata covers the same distance in 4 hrs. If Sheetal increa...
A motor-cycle covers 90 km with a speed of 40 km/hr. find the speed of the motor-cycle for the next 90 km journey so that the average speed of the whole...
Anil travels a certain distance by car at a speed of 75 km/h and comes back to the starting point via same route by bike with speed of 45 km/h. Find the...
A boy goes to school with a speed of 45 km/h and comes back with a speed of 30 km/h. find his average speed?