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Q.

The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give 

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a

2.75 and 2.74

b

2.74 and 2.73

c

2.75 and 2.73

d

2.74 and 2.74

answer is D.

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Detailed Solution

Rounding off 2.745 to 3 significant figures, it would be 2.74. Rounding off 2.735 to 3 significant figures, it would be 2.74. Rule to rounding off if the preceding number of “5” is odd it has to be increased by one for even number no change.

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