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

a) 2.75 and 2.74

b) 2.74 and 2.73

c) 2.75 and 2.73

d) 2.74 and 2.74

Answers (1)

The answer is the option (d) 2.74 \; and\; 2.74

Explanation: (i) 2.745 \rightarrow 2.74

Here the fourth digit is five and is preceded by, viz., an even no. Hence, it becomes 2.74.

(ii) 2.745 \rightarrow 2.74

Here the fourth digit is 5, but the preceding digit is 3, viz., an odd no. Hence, it is increased by 1, and we get 2.74.

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