1. The circumferences of two circles are 132 metres and 176 metres respectively. What is the difference between the area of the larger circle and that of the smaller circle?
- 1) 1048 sq m
- 2) 1076 sq m
- 3) 1078 sq m
- 4) 1090 sq m
- 5) None of these
2. The ratio of the ages of Tina and Rakesh is 9 : 10. Ten years ago, the ratio of their ages was 4 : 5. What is the present age of Rakesh?
- 1) 25 years
- 2) 20 years
- 3) 30 years
- 4) 24 years
- 5) None of these
3. In how many different ways can the letters of the word ‘OFFICES’ be arranged?
- 1) 2520
- 2) 5040
- 3) 1850
- 4) 1680
- 5) None of these
4. Sonu invested 10% more than Mona. Mona invested 10% less than Raghu. If the total sum of their investments is Rs 5,780, how much amount did Raghu invest?
- 1) Rs 2,010
- 2) Rs 2,000
- 3) Rs 2,100
- 4) Rs 2,210
- 5) None of these
5. What would be the compound interest accrued on an amount of Rs 7,400 @ 13.5 p.c.p.a. at the end of two years? (rounded off to two digits after decimal)
- 1) Rs 2,136.87
- 2) Rs 2,306.81
- 3) Rs 2,032.18
- 4) Rs 2,132.87
- 5) None of these
Directions (Q. 6-8): Study the given information carefully and answer the questions that follow:
A basket contains 4 red, 5 blue and 3 green marbles.
6. If three marbles are picked at random, what is the probability that either all are green or all are red?
- 1) 7/44
- 2) 7/12
- 3) 5/12
- 4) 1/44
- 5) None of these
7. If two marbles are drawn at random, what is the probability that both are red?
- 1) 3/7
- 2) 1/2
- 3) 2/11
- 4) 1/6
- 5) None of these
8. If three marbles are picked at random, what is the probability that at least one is blue?
- 1) 7/12
- 2) 37/44
- 3) 5/12
- 4) 7/44
- 5) None of these
Directions (Q. 9-10): Study the given information carefully and answer the questions that follow:
A committee of five members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways can this be done if —
9. The committee should have all 4 professors and 1 research associate or all 3 trainees and 2 professors?
- 1) 12
- 2) 13
- 3) 24
- 4) 52
- 5) None of these
10. The committee should have 2 trainees and 3 research associates?
- 1) 15
- 2) 45
- 3) 60
- 4) 9
- 5) None of these
Answers:-----------------
- 3
- 2
- 1
- 2
- 4
- 4
- 5
- 2
- 1
- 3