1. A tank has two pipes. The first pipe can fill it in 24 minutes and the second can empty it in 32 minutes. If the two pipes be opened together at a time then find the time in which tank will be filled...
1. A can do a piece of work in 40 days, B in 30 days & (A + B + C) in 10 days. In how many days C alone can do it. View Solution 2. (A+B) can do a work is 6 days, while (B+C) can do the same work in 8 days. In (C+A) can do the same work in 12 days. In how many...
1. A invested a sum of Rs. 64000 for 3 years at compound interest and received an amount 74088 Rs. on maturity. What is the rate of interest. View Solution 2. On what principal will the compound interest for 3 years at 5% p.a. amount to 63.05 . View Solution 3. Rs....
1. What annual payment will discharge a debt of Rs. 1620 dues in 5 years at 4% p.a. SI. View Solution 2. A sum of Rs. 5000 is lent for 4 years at the rate of 5% p.a. at SI. Find the interest. View Solution 3. If the simple interest on Rs. 900 increases by Rs. 30 when...
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