Time, Speed and Distance 

A man was travelling upstream in a river. His hat falls down in the river. 10 minutes later he realized that he has dropped his hat in the river so he immediately turns back his boat to catch the hat. After how much more time he will be able to catch the hat? (hat floats in the river)

See our previous ‘Questions of the Day’:   

Quant Question Of The Day: 144

Quant Question Of The Day: 143