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Question

Q. Three women or four girls can build a well in 62 days .Find how many days will it take for 12 women and 15 girls to build the well.

Q. तीन महिलाएँ या चार लड़कियाँ एक कुएं का निर्माण 62 दिनों में कर सकती हैं तो 12 महिलाओं और 15 लड़कियों को कुएं का निर्माण करने में कितने दिन लगेंगे।


A
10
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B
12
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C
8
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D
9
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Solution

The correct option is C 8

3 Women = 4 Girls. They both can finish the work in 62 days

G=34W

(12W+15G)×D=3W×62 where D is the number of days

(12W+15×34W)=934W

934W×D=3W×62

D=8 days


3 महिलाएँ = 4 लड़कियाँ। वे दोनों 62 दिनों में काम पूरा कर सकती हैं

G=34W

(12W+15G)×D=3W×62 जहाँ D दिनों की संख्या है

(12W+15×34W)=934W

934W×D=3W×62

D=8 दिन


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