## Quantitative Aptitude for SBI, IBPS, LIC, RBI, IPPB PO and Clerk exams

1. A and B can do a piece of work in 45 days and 40 days respectively. They begin together but A leaves after some days and B completes the rest in 23 days. For how many days did A work?
2. The ratio of copper and Zinc in a brass piece is 13 : 7. How much copper will there be in 500 kg of such alloy?
3. The difference between a two digit number and the number obtained by interchanging the digits is 108. What is the difference between the digits of the number?
4. In what time will Rs.36 become Rs.45 at 6.25% per annum simple interest?
5. The price of the bicycle and rikshaw are in the ratio of 5 : 4. If bicycle costs Rs. 800 more than the rikshaw, Find the price of the rikshaw.
6. A seller has 24 kg mangoes. He sells part of those at 20% gain and the balance at 5% loss. If on the whole he earns a profit of 10%, then find the mangoes that are sold at loss.
7. A sum of money becomes 2 1/4 times of itself in 2 years compound interest. Find the rate of interest.
8. Two numbers are 8% and 80% more than a third number. What percentae is the first number of the second number?
9. 5% income of A is equal to 15% income of B. 10% of income of B is equal to 20% of income of C. If the income of C is Rs. 2000, then find the total income of A, B and C.
10. Two pipes can fill a tank in 10 hr and 12 hr while the third pipe can empty it in 20 hr. If all the three are opened, in how much time is the cistern filled?

1. 9 days
2. 325 kg
3. 12
4. 4 years
5. Rs. 3200
6. 9.6 kg
7. 50%
8. 60%
9. 18000
10. 7.5 hr