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Half life of substance is 20minutes.

What is the time betwe

What is the time betwe

A tank can be filled by two pipes A and B in 60 minutes and

A large tanker can be filled by two pipes A and B in 60 minu

The half life period of a radioactive substance is best dete

A certain nucleide has a half life period of 30minutes.

If

If

A radioactive substance has a half life of four months, thre

IBM-Daksh observes that it gets a call at an interval of ver

Three taps I, J and K can fill a tank in 20,30and 40 minutes

To fill a cistern pipes A, B and C take 20 minutes, 15 minut

Asish leaves his house at 20 minutes to seven in the morning