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After rounding 1.235 and 1.225 to three significant figures, we will have their answers respectively a

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1.23, 1.22

1.24, 1.123

1.23, 1.23

1.24, 1.22

answer is D.

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Detailed Solution

1.235= 1.24 ; Since Odd no. before 5 is round off to next digit

1.225=1.22 ; Since even no. before 5 is remains same.

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