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Assertion : There are 72-75 heart beats ...

Assertion : There are 72-75 heart beats per minute on an average when a person is performing normal work
Reason : One heart beat is completed in 0.8 second.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
One heartbeat complets in `0.8-0.83` second. Therefore. There are `60//0.8 or 60//83` i.e, `72-75` heart beats per minute on an average when a person is performing normal work.
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