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12. A can do a work in 5 days less than the time
taken by B to do it. If both of them together take
11-²/1
11
9
days, then the time taken by 'B' alone to do
the same work (in days) is
A एक कार्य, B द्वारा किए जाने वाले उसी कार्य को 5 दिन कम
में पूरा कर सकता है। यदि दोनों मिलकर वही कार्य 11 दिनों में
कर सकते हैं, तो अकेला B उसी कार्य को कितने दिनों में कर
लेगा ?
(1) 15
(2) 20
(3) 25
(4) 30

Hindi

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