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A, B and C can complete a piece of work in 20, 24 and 36 days respectively. Working together, they can complete the same work in how many days ?
A, B और C किसी कार्य को क्रमशः 20, 24 और 36 दिनों में पूरा कर सकते हैं | एक साथ कार्य करते हुए, वे इसी कार्य को कितने दिनों में पूरा करेंगे ?

A

a) `8 16/43`

B

b) `6 1/4`

C

c) `9 1/4`

D

d) `7 19/20`

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PINNACLE-WORK AND TIME-EXERCISE
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