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The answer to each of the following ques...

The answer to each of the following questions is a single digit integer, ranging from 0 to 9. If correct answers to the question number A,B,C and D (say) are 4,0,9 and 2 respectively, then correct darkening of bubbles should be as shown on the side.
(B) A student performs a titration with different buretters and finds titre values of 25.2 mL, 25.25 mL and 25.0 mL. The number of significant figures in the average titre value is ........

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The correct Answer is:
3
The least precise terms in the litre value, i.e., 25.2 and 250 has 3 significant figures.
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