Questions and answers by

HEMENDU KUMAR

Questions (4)

Alka walks at the speed of 5 kmph but find that she is late to school by 7 minutes. However next day she walks at the speed of 6
1. 1 answer
2. 582 views
A man standing on a railway bridge which is 180 m long. He find that a train cross the bridge in 20 seconds but cross him in 8
1. 1 answer
2. 546 views
A cyclist travelled at a rate of 24 mph to visit a near by town. The cyclist averaged 18 mph on the return trip. If the round
1. 1 answer
2. 444 views
A salt solution of 15 litres contains 20%salt. How much water must you add to salt solution, in order to dilute it 15% salt?
1. 2 answers
2. 634 views

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