COGNIZANT Job Placement
Questions 28th May 2004
There are 60 questions to be answered in 60 minutes
In a club there are certain no. of males and females. If 15 females are
absent then no. of males will be twice that of females. If 45 males are
absent then female strength will be 5 times that of males. Find no. of males
actually present. Ans : Males 80,Females 175
Three men A, B, C plays Cards. If one loses the game he have to give Rs.3.
If he wins the game he will gain Rs.6. If A has won 3 Games, B loses Rs.3, C
wins Rs.12.What is the total no. of games played? Ans :
A can swim & cross 50m(the length of swimming pool) in 2 min. B can swim &
cross 50m in 2min 15sec. Every time when they meet a bell gong is struck.
For 2000m how many bell sounds might be produced? Ans : 37
When I was married 10 years ago my wife is the 6th member of the family.
Today my father died and a baby born to me. The average age of my family
during my marriage is same as today. What is the age of Father when he died?
Ans : 60
There are 9 balls of equal size and same weight(they look similar) except 1.
How may weighs required to find the dissimilar ball using a weighing
balance? Ans : 3
Product of Prime no. between 1 to 20? Ans 9699690
Find out the total numbers between 1 to 999 that are neither divisible by 8
nor by 12? Ans :833
Find out the distinct numbers that can be formed by 2, 3, 7, 6(donít now
exactly) that should be divided by 4? Ans :8
Two trains at speed 60 km/hr comes in the opposite direction. At a
particular time the distance between the two trains is 18km. A shuttle flies
between the trains at the speed of 80 km/hr. At the time the two trains
crashes what is the distance traveled by shuttle?
There are n urns and m balls. If we put 3 balls in each urn 3 balls will be
excess. If we put 4 balls in each urn 1 urn will be excess. Find no. of Urns
ANS:7 URNS & 24BALLS.
Find the area not occupied by circles:
Given length =y breadth =x (Answer: 3x2(1-pie/4))
A man gets x/y of Rs.10 and y/x of Rs.10. He returns Rs.20. The Answer
a) He may not lose Ans He never losses
b) He may lose
c) He always loses
d) Cannot be Determined
Three men A,B,C can complete a work separately in some specified days(may
If they do the work together by alternate days. Then how many days need to
complete the work? Ans 7 1/8
14)Four Members A,B,C,D are playing a game .A person losing a game should
double the amount of others .B,C,D are losing in order after three games
.The amount after 3 games are A&B having 40,D is having 16&C 80.
Each questions carry one mark:
a) who started with small amount of money?
15)who started with greatest amount of money?
16)what amount did B have?
Hint: I solved and found the answers to be A->5,B->93
17)There are some houses in a street back to back .And they that house
behind 10 was 23.
How many houses in the street?
18)There are 1997 doors in a auditorium and as many as people as the no of
doors open enter the auditorium .A door was closed and as many as people as
no of doors open leave the auditorium . the process was repeated till the no
of doors is equal to1.find the total no of peoples enter the auditorium?Ans
19)A batsman average was 15.at last innings he took 23 runs then his average
16.how much run he should take to make his average 18?Ans 39
20)Find the number WXYZ divisible by 36?
i)let the digits be5,4,3,6 -not in that order
ii)sum of last two digits is 9
iii) sum of middle two digits is 7
->if one is sufficient then ans asA || if two is sufficient then ans as
B||if all are necessary then ans as C|| if nothing is needed then ans as D
21)X and Y live in a North-South parallel street. X travels 10 km towards
North to reach the east-west street . Y travels 6 km towards south to reach
the east -west street . X travels now 4km towards east and y travels 8km
towards west and they met each other. What is the distance between x and y?
Ans : 20km
22)The houses are numbered 1,2,3,Ö and reach the end of the street and
backtracks toward s the starting point. The house numbered 10 is opposite to
23. there are even no of houses. Find the total no of houses.Ans :32
23)A seller has a set of apples out of which he sells one half of it and
half an apple to his first customer.then he sells half of the remaining
apples and a half apple to his second customer.Then he sells half of the
remaining apple and Ĺ apple to his third customer and so on.This repeats
upto 7th customer and no more apples are remaining . Find the total no of
apples he had. Ans :127 (2 pow n) -1
24) A hollow cube of size 5cm is taken , with the thickness of 1cm . it is
made of smaller cubes of size 1cm . if the outer surface of the cube is
painted how many faces of the smaller cubes remain unpainted?Ans 438
25)if a 36 cm thread is used to wrap a book , lengthwise twice and
breadthwise once, what is the size of the book? Ans 7,4 & 8,2 Area 6
the various degrees of the vertices are marked in the dig. Find y Ans =54
27)if 4 circles of equal radius are drawn with vertices of a square as the
centre , the side of the square being 7 cm, find the area of the circles
outside the square? Ans 3 pie r pow 2 [461.58]
28)A bus has 40 seats and the passengers agree to share the total bus fare
among themselves equally. If the total fair is 80.67 , find the total no of
the seats unoccupied.Ans :37
29) A 4 digit no may consist of the digits 6,2,7,5 where none of the nos are
repeated.Find the possible no of combinations divisible by 36? Ans :0
30) if u r traveling from Mumbai to banglore and return back .To find the
speed of the car which of the following r needed.
a)the distance between them.
c)avg speed towards Mumbai and the avg speed towards banglore.
1)a only. 2) Ans a and b 3) a,b,c 4)b only 5)Ans c only ( ans not in order)
( Diagram drawn approximate not to scale.)
if all the blocks are squares and the complete fig is also a square and the
area of the a is 1 cm2,b=81 cm2what is the area of i? Ans = 324
32) A secret can be told only 2 persons in 5 minutes .the same person tells
to 2 more persons and so on . How long will take to tell it to 768 persons ?
a)47.5 min b)50 min c) 500 min d)Ö. Ans: 47.5 min ......35min
33) Three birds cross a point in a same st. line and of that 2 fly in
opposite directions. If a triangle is formed with the position of the birds
what kind of the triangle will be formed?
a) Ans If same speed isosceles b)right angle c)equilateral d)right angle and
when the angle a, b, c, d are given find x.
35) One question is given for explaining the working of cornea (in eyes) &
Ans: drawing analogy
36) m<n, & x<y which of the following is definitely false
a)m-n < x-y b)m+n < x+y
c)&d) Similar options using all 4 variables Ans : x-m<y-n
37)Four circles are drawn from the corners of a square of area 49 cm2 . Find
the area of 4 circles outside the square
(they didnít mention that circles have radius=1/2 side of a square)
38)In a pond ecosystem,large fishes and small fishes will be there.If we
want to remove small amount of pollutants,small fishes are to be employed.In
a food-chain food passes through a number of mouths and en route the mouth
of the superfeeder-the eagle.The size of the ecosystem is determined by its
population.But this has been proved false.
What can you infer from above?
39)In Bangalore,during income tax deduction for a single person,the
percentage increased by 3% and for middle house-holders,it decreased by
3%.What can you infer?
40)In China,Mao-Tse -Tung was responsible for organizing its people and
taking China into success path.It evolved into a great economic power by
improved industrial and economical statistics.China prospered in those
Which of the following best completes the sentence?(4 choices)
41)A ridge formed over Pacific Ocean was because of the intersection of two
volcanoes.But in history it was written that it was not due to those
volcanoes.It proves a contradictory to form the view that history will be
proved wrong in the future.
42)In a poultry form because of cloning,a large breed of hens were
produced.This increased the production but the maintenance was very
difficult because of the large number.This does not mean that cloning is a
disaster in the scientific world but it is a tool which in some ways is
constructive but in other ways ,it is destructive.Inference?
(The remaining verbal questions are easy and they can be answered by seeing
the question carefully)