Ericsson Placement papers - Reasoning and Aptitude Questions

Ericsson Placement papers - Reasoning and Aptitude Questions


Q. If 2x-y=4 then what is the value of 6x-3y?
a) 16
b) 12
c) 21
d) 16

Q. What is the value of (1/10)18 – (1/10)20?
a) 99/10
b) 99/100
c) 0.9
d) None of the above

Q. If a boat travels 20km upstream in 6hrs and 18 km downstream in 4hrs, what is the speed of the boat in still water?

Q. Select the pair having the relationship same as the given words.
1) Light: Blind
a) Speech: dumb
b) Language: Deaf
c) Tongue: sound
d) Voice: vibration

2) Symphony: Composer
a) Leonardo: Music
b) Fresco: Painter
c) Colors: Pallet
d) Art: Appreciation

Q. A shopkeeper has x kg of rice. The first customer buys half the amount and half kg of rice.The second customer buys half the remaining amount and half kg of rice. The third customer also buys half the remaining amount and half a kg of rice. Thereafter no rice is left. Which of the following gives the correct range of the value of x?
a) 2<=x<=6
b) 5<=x<=8
c) 9<=x<=12
d) 11<=x<=14
e) 13<=x<=18

Q. Let f(x)=ax2+bx+c, where a,b and c are certain constants and a is not equal to 0. If f(5)= -3f(2)and 3 is a root of f(x)=0,

A) What is the other root of f(x)=0?
a) -7
b) -4
c) 2
d) 6

B) What is the value of a+b+c?
a) 9
b) 37
c) 14
d) 13

Q. How many common terms are there in the two sequences 17, 21, 25…,417 and 16, 21, 26,…466?
a) 19
b) 20
c) 77
d) 78
e) 22

Q. A man rides his bicycle from A to B with the shortest path. The number of shortest paths possible is:
a) 45
b) 72
c) 75
d) 60
e) 90

Q. A man rides his bicycle from A to C, via B with the shortest path. The number of shortest paths possible is:
a) 630
b) 792
c) 936
d) 1170
e) 1200

Q. The integers from 1 to 40 are written on a blackboard. Now an operation is performed on the numbers 39 times. In each repetition, any two numbers say a and b are erased from the black board and a new number a+b-1 is written. What will be the number left on the blackboard?
a) 780
b) 781
c) 820
d) 821
e) 819

Q. The lengths of two sides in a triangle ABC is AB= 17.5 cm and AC= 9 cm. Let D is a point on the line segment BC such that AD is perpendicular to BC and AD= 3cm. What would be the radius of the circle, in cm, circumscribing the triangle ABC?
a) 27.85
b) 26.25
c) 32.25
d) 22.45
e) 17.05

Q. An obtuse angle triangle ABC has dimensions 8cm*15cm*x cm. If X is an integer, how many such triangles would exist?
a) 21
b) 15
c) 14
d) 10
e) 5

Q. How many integers may be formed, greater than 999 but not greater than 4000 with the digits 0, 1, 2, 3, 4 if the repetition of the digits is allowed?
a) 375
b) 376
c) 499
d) 500
e) 501

Q. Three consecutive positive integers are raised to their first, second and third powers respectively and are then added. The obtained sum is a perfect square whose square root is a total of three original integers. Which of the following describes the minimum value m of these three integers?
a) 1<=m<=3
b) 4<=m<=6
c) 7<=m<=9
d) 10<=m<=12
e) 13<=m<=15

Q. What is the next number in the series?
53, 53, 40, 40, 27, 27, ……

a) 12
b) 14
c) 27
d) 53

Q. What is the next number in the series?
5.2, 4.8, 4.4, 4, ……
a) 3
b) 3.3
c) 3.6
d) 3.5

Q. The ratio between the length and the breadth of a rectangular park is 3:2. If a man cycling at a speed of 12km/hr completes one round in 8 minutes around the boundary of the park, what is the area of the park?

a) 30720 sqmt.
b) 15360 sqmt.
c) 153600 sqmt.
d) 307200 sqmt.
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