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Assertion: A number 2.746 rounded off to...

Assertion: A number 2.746 rounded off to three significant figures is 2.75, while the number 2.743 would be 2.74.
Reason: In rounding off the uncertain digits, the preceding digit is raised by 1 if the insignificant digit to be dropped is more than 5 and is left unchanged if the latter is less than 5.

A

if both assertion and reason are true reason is the correct explanation of assertion.

B

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

C

If assertion is true but reaso is false.

D

IF both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A

a
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