Wipro Placement Question Paper

1. Ronald and Elan are working on an assignment. Ronald takes 6 hours to type 32 pages on a computer, while Elan takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages ?

A) 7 hours 30 minutes
B) 8 hours
C) 8 hours 15 minutes
D) 8 hours 25 minutes
Ans. C) 8 hr 15min.

2. Two trains each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast
the other, then the speed of the faster train is..

A) 30 km /hr B) 45 km / hr C) 60 km/hr D) 75 km/hr
Ans. (100+100)/8= 3x*5/18
so x=60 km/hr

3. Two trains starting at the same time from two stations 200 km apart, and going in opposite directions cross each other at a
distance of 110 km from one of the stations. What is the ratio of their speeds
A) 9 : 20 B) 11 : 9 C) 11 : 20 D) None of these
Ans. b) 11:9

4. A thief steals a car at 2.30 p.m and drives it at 60 kmph. The theft is discovered at 3 p.m and the owner sets off in another
car at 75 kmph. When will be overtake the thief.
A) 4.30 p.m B) 4.45 p.m C) 5 p.m D) 5.15 p.m
Ans. c)5 p.m

5. Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank completely ?
A) 6 min. to empty B) 6 min to fill C) 9 min. to empty D) 9 min. to fill
Ans. pipe A 1hr work = 1/5
pipe B 1hr work = 1/10
pipe C 1hr work = 1/30
total work done by (A+B+C)=(1/5+1/10+1/30)=1/3
Hence it ill take 3hr to fill th tank completely

6. A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both taps are opened simultaneously, then after how much time will the cistern get filled ?
A) 4.5 hours B)5 hours C) 6.5 hours D) 7.2 hours
Ans. 1/4-1/9=5/36=7.2

7. A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?

A) 80 days B) 100 days C) 120 days D) 150 days
Ans. 

8. Ronald and Elan are working on an assignment. Ronald takes 6 hours to type 32 pages on a computer, while Elan takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages ?

A) 7 hours 30 minutes B) 8 hours C) 8 hours 15 minutes D) 8 hours 25 minutes
Ans. c)8 hrs 15 min

9. A starts business with Rs.3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the
ratio 2 : 3. What is B's contribution in the Capital ?

A) Rs. 7500 B) Rs. 8000 C) Rs. 8500 D) Rs. 9000

Ans. Let B's capital be Rs. x.

Then,
(3500 * 12)/(7x)=2/3
=> 14x = 126000
=> x = 9000.

10. If 10% of x = 20% of y, then x : y is equal to

A) 1 : 2 B) 2 : 1 C) 5 : 1 D) 10 : 1
Ans. 10/100*x=20/100*y
x/y=2/1

so option B is ans

11. X varies inversely as square of y. Given that y = 2 for x = 1. The value of x for y = 6 will be equal to

A) 3 B) 9 C) 1/3 D) 1/9
Ans. D)1/9

x= k/y*y (inversely as square)

y=2 for x=1
so k=4

if y=6
then x=1/9

12. Six bells commence tolling together and toll at intervals 2,4,6,8,10 and 12 seconds respectively. In 30 minutes how
many times they toll together.

a) 4
b) 10
c) 15
d) 16
Ans. d)16
take lcm of 2,4,6,8,10,12 seconds
the outcome is 120seconds.
thats at 2mins once it rings.
in 30mins it will rings 15times together
in 0th second all bells rings together.
so ans is 15+1=16.

13. 
Susan can type 10 pages in 5 minutes. Mary can type 5 pages in 10 minutes. Working together, how many pages can
they type in 30 minutes?
A. 15
B. 20
C. 25
D. 65
E. 75
Ans. Sussan can type 2 pages in a min

mary can type 1/2 page in a min

in 30 min (2*30+(1/2)*30)

75 pages type together

14. A person travels 6km towards west, then travels 5km towards north ,then finally travels
6km towards west. Where is he with respect to his starting position?

(a) 13km east
(b) 13km northeast
(c) 13km northwest
(d) 13km west
Ans. 13 km North West.

15.If "PROMPT" is coded as QSPLOS ,then "PLAYER" should be

(a) QMBZFS
(b) QWMFDW
(c) QUREXM
(d) URESTI
Ans. QMBXDQ

16. If in a certain code "RANGE" is coded as 12345 and "RANDOM" is coded as 123678. Then the code for the word
"MANGO" would be

(a) 82357
(b) 89343
(c) 84629
(d) 82347
Ans. (d)

17. Find the next number in the series 1, 3 ,7 ,13 ,21 ,31

(a) 43
(b) 33
(c) 41
(d) 45
Ans. 43

18. X's father's wife's father's granddaughter uncle will be related to X as

(a) Son
(b) Nephew
(c) Uncle
(d) Grandfather
Ans. b/c

19. A person travels 12 km in the southward direction and then travels 5km to the right and then travels 15km toward the right and finally travels 5km towards the east, how far is he from his starting place?

(a) 5.5 kms
(b) 3 km
(c) 13 km
(d) 6.4 km
Ans. b)3 km

20. A man sells an article at a profit of 25%. If he had bought it at 20% less and sold it for Rs.10.50 less, he would have gained 30%. Find the cost of the article.
Ans. 

21. In a college ,1/5 th of the girls and 1/8 th of the boys took part in a social camp.What of the total number of students in the college took part in the camp?
Ans. Out of 5 girls 1 took part in the camp
out of 8 boys 1 took part in the camp
so, out of 13 students 2 took part in the camp.
So, 2/13of the total strength took part in the camp.

22. The diameter of the driving wheel of a bus is 140cm. To achieve the speed of 66 kmph, how many revolutions the wheel must make per minute?
Ans. 250 revolutions per Minute