Question (25/75)
If cost of X meters of wire is D rupees, then what is cost of Y meters of wire at the same rate ?(A)  (XY)/D
(B)  XD
(C)  YD
(D)  (YD)/X
Question (26/75)
A and B are partners in business. A contributes `1/4` of the capital for 15 months and B received `2/3` of the profit. For how long B's contribution was used ?(A)  6 Months
(B)  8 Months
(C)  10 Months
(D)  12 Months