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Q.

One digital watch ‘A’ was showing 1 : 12 : 32 and an old watch ‘B’ not having seconds hand was showing 1 : 10; at the moment actual time was 1 : 10 : 15.

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a

‘A’ is more precise but less accurate than ‘B’

b

‘B’ is both more accurate and precise.

c

‘A’ is less precise but more accurate than ‘B’

d

‘A’ is both more accurate and precise

answer is A.

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Detailed Solution

Precision of watch ‘A’ is high but up to known precision of ‘B’ ‘A’ is less accurate.

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