1.

Q: 12 men can do a work in X days. 20 women can do the same work in (X -1) days. 15 men can do the work in y days while 30 women can do it (Y- 2) days . Find the value of X.

A. 8
B. 10
C. 12
D. 15
E. 16
Answer» C. 12


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