‌‌‌यदि 12 व्यक्ति एक कुएँ को – McqOptions

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1.	‌‌‌यदि 12 व्यक्ति एक कुएँ को 10 दिन में खोद सके तो, 15 दिन में इस कुएँ केा खोदने के लिए कितने व्यक्ति लगाने होंगे?[ R.R.B. 2002]
A.	18
B.	15
C.	16
D.	13
Answer» D. 13

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