Previous year questions give guidance to us and provide a base for the preparation of any competitive exam. It is always good to have an experience of how the level of exam varies from year to year. For every subject like in Quantitative Aptitude, we come to know the pattern of questions must be followed to prepare the examination.
1. A vessel contain some litres of pure milk. If 25 litre of water is added to the vessel, then ratio between milk and water becomes 12:5, 17 litres of mixture is drawn from the vessel and 10 litre of water is added to the mixture. Find the new ratio between milk and water.
- 8 : 5
- 5 : 8
- 6 : 5
- 5 : 6
- None of these
Sol:
5 ratio = 25 litre
12 ratio = 60 litre
60 – 12 : 25-5+10 = 8 : 5
2. Ratio between the heights of two cylinders are 3:5 and the ratio of their volumes are 27:80. Find ratio between their radius?
- 9 : 16
- 16 : 9
- 3 : 4
- 4 : 3
- 9 : 20
Sol:
3.A man invested a sum of money in Scheme A, at a rate of 15% per annum for simple interest, at the end of 2 years the amount received by him is invested in scheme B at 20% per annum for compound interest. If the interest received by him from scheme B at the end of 2 years is Rs. 2860, then find the sum invested by man in the beginning?
- 3250
- 5000
- 6500
- Cannot be determine
- None of these
Sol
4. B is 20% more efficient than A. A started the work and work for x days and then A is replaced B. B completed the remaining work in x+8 days. Ratio of the work done by A and B is 2 : 3. In how many days A and B working together can complete the whole work?
- 35
- Cannot be determine
- None of these
Sol :
5. A and B started a business investing the money in ratio 4:6, after 6 months B withdraw his investment and C joins him with twice the amount of B. At the end of the year total profit is 3315. Find share of C?
- 1530
- 1535
- 1695
- 1655
- None of these
Sol :
