Question

If examiners working 5 hours a day can check 750 answer books in 8 days
with the same rate, the number of days, that 4 examiners require to examine
800 answer books working 8 hours a days is
(A) 16 (B) 17 (C) 18 (D) none of these​

Answer 1

Answer:

(d) none of these

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Answer 2

Answer:

D. None of the these

Explanation:

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