1.

4 girls and 6 boys can finish a work in 5 days while 3 girls and 4 boys can finish it in 7 days. Find the time taken by one girl alone and that by one boy alone to finish the work

A. 35, 70
B. 140, 70
C. 70, 35
D. 70, 140
Answer» B. 140, 70


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