Wipro Aptitude Test - Apptitude Questions 2

Aptitude 15 questions

The questions 1-5 are based on the following data

The only people to attend a conference were four ship captains and the first mates of three of those captains. The captains were L, M, N and O; the first mates were A, D and G. Each person in turn delivered a report to the assembly as follows:

Each of the first mates delivered their report exactly after his or her captain. The first captain to speak was M, and captain N spoke after him.

1. Among the following which is not an appropriate order of delivered reports?

1. M, A, N, G, O, L, D
2. M, D, N, G, L, O, A
3. M, N, A, L, D, O, G
4. M, N, A, O, D, L, G
5. M, N, G, D, O, L, A

    Ans: E

2. In case L speaks after A, and A is the third of the first mates to speak, then among the following statements which would be untrue?

1. O spoke immediately after G.
2. The order of the first four speakers was M, G, N, D.
3. O's first mate was present.
4. A was the fourth speaker after M.
5. The captains spoke in the order M, N, O, L.

    Ans: D

3. Among the following statements which statement must be true?

1. In case the second speaker was a captain, the seventh speaker was a first mate.
2. In case the second speaker was a first mate, the seventh speaker was a captain.
3. In case the third speaker was a first mate, the seventh speaker was a captain.
4. In case the third speaker was a captain, the seventh speaker was a first mate.
5. In case the seventh speaker was a first mate, the first and third speakers were captains.

    Ans: A

4. In case a spoke immediately after L and immediately before O, and O was not the last speaker, L spoke

1. second
2. third
3. fourth
4. fifth
5. sixth

    Ans: C

5. In case G is M's first mate, D could be the person who spoke immediately

1. prior to T
2. prior to L
3. prior to V
4. after T
5. after V

    Ans: D

6. Two series are 16, 21, 26.... And 17, 21, 25.....What is the sum of first hundred common numbers
    (a) 101100
    (b) 110100
    (c) 101110
    (d) 110101
    Ans. (a)

7. There are two sections in a question paper each contain five questions. A student has to answer 6 questions. Maximum no. of questions that can be answered from any section is 4. How many ways he can attempt the paper?

    (a) 50
    (b) 100
    (c) 120
    (d) 200
    Ans. (d)

8. a and b are two numbers selected randomly from 1,2,3.... 25 what is the probability of a and b are not equal.
    (a) 1/25
    (b) 24/25
    (c) 13/25
    (d) 2/25
    Ans. (b)

9. The sum of the series 1 + 1(1+1/n) + 3(1+1/n) 2 +..... is equal to?
    Ans. n2

10. How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph

(a) 70sec
(b) 1min
(c) 1 min 15 sec
(d) 55 sec
Ans. (b)

11. What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

(a) 3/2
(b) 4
(c) 3
(d) 3/4
Ans. (a)

12. Worker W produces n units in 5 hours. Workers V and W, workers independently but at the same time, produce n units in 2 hours. How long would it take V alone to produce n units?

a) 1 hr 26 min
b) 1 hr 53 min
c) 2 hr 30 min
d) 3 hr 30 min
e) 3 hr 20 min

Ans: e

13. The sum of 7 consecutive odd numbers in terms with 27 as fourth number

 Ans: 189

14. It takes 30 days to fill a laboratory dish with bacteria. If the size of the bacteria doubles each day, how long did it take for the bacteria to fill one half of dish?
 Ans) D

15. If the area of a square increases by 69%, then the side of the square increased by
 Ans: (B) 30%