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 box contains 10 red ball , 6 green ball if 2 balls are drawn randomly what is the probability of getting non green ball?
- 3/8
- 5/8
- 5/16
- 16/55
- None of these
Sol:
2. A hemispherical bowl of internal diameter 54 cm contains a liquid. The liquid is to be filled in cylindrical bottles of radius 3 cm and height 9 cm, then find the number of bottles that can be filled?
- 81
- 162
- 324
- 228
- None of these
Sol :
3. A is 4 years younger than B. B is 12 years younger than C. 4 years hence the ratio between C and A is 9:5, Find the age of B?
- 24
- 16
- 20
- 32
- 28
Sol:
A = B – 4
B = C – 12
C – A = 1
4 ratio = 16 years
1 ratio = 4 years
A+4 = 20
B = 20 – 4 + 4 = 20 years
4. A can built a wall in 8 days while B can destroy the same wall in 3 days. A start the work and worked for 6 days, during the last 2 days of which B also joins him. In how many days A can finish the remaining work alone?
- 6 days
- 7 days
- 5 days
- 8 days
- None of these
Sol :
5. The difference between the average of squares of the last four numbers and the product of the first two numbers of 6 consecutive odd numbers is 114. Find the first number.
- 6
- 7
- 8
- 5
- None of these
