A cistern is filled in 9 hours and it takes 10 hours when there is a leak in its bottom. If the
cistern is full, in what time shall the leak empty it?
90 h
94 h
92 h
91 h
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If Rs.12000 is divided into two parts such thatthe simple interest on the first part for 3 years at 12% p.a. is equal to the simple interest on the
second part for 4-1/2 years at 16% p.a., the greater part is