Aptitude Placement Test for Engineering Students - Set 5

1)   A train passes a telegraph post in 8 seconds and a 264 m long bridge in 20 seconds. What is the length of the train

a. 180 m
b. 176 m
c. 164 m
d. 158 m
Answer  Explanation 

ANSWER: 176 m

Explanation:
No explanation is available for this question!


2)   If ratio of the areas of two squares is 1:4, the ratio of their perimeters is

a. 1:2
b. 1:4
c. 1:6
d. 1:8
Answer  Explanation 

ANSWER: 1:2

Explanation:
No explanation is available for this question!


3)   The perimeter of a square is 48cm. The area of rectangle is 4cm2 less than the area of the square. If length of the rectangle is 14cm, then its perimeter is

a. 24cm
b. 48cm
c. 50cm
d. 54cm
Answer  Explanation 

ANSWER: 48cm

Explanation:
No explanation is available for this question!


4)   The side and one of the diagonals of a rhombus are 13cm and 24cm respectively. The area of the rhombus (in sq.cm.) is

a. 156
b. 240
c. 120
d. 130
Answer  Explanation 

ANSWER: 120

Explanation:
No explanation is available for this question!


5)   Average age of A and B is 30 years, that of B and C is 32 years and the average age of C and A is 34 years. The age of C is

a. 33 years
b. 34 years
c. 35 years
d. 36 years
Answer  Explanation 

ANSWER: 36 years

Explanation:
No explanation is available for this question!


6)   The average of three numbers is 77. The first number is twice the second and the second number is twice the third. Find the first number.

a. 33
b. 66
c. 77
d. 132
Answer  Explanation 

ANSWER: 132

Explanation:
No explanation is available for this question!


7)   The average of fifty numbers is 28. If two numbers, namely 25 and 35 are discarded, the average of the remaining numbers is nearly,

a. 29.27
b. 27.92
c. 27.29
d. 29.72
Answer  Explanation 

ANSWER: 27.92

Explanation:
No explanation is available for this question!


8)   If a*b = 2a+3b, then the value of 2*3 + 3*4 is

a. 24
b. 31
c. 32
d. 34
Answer  Explanation 

ANSWER: 31

Explanation:
No explanation is available for this question!


9)   What is probability of drawing two clubs from a well shuffled pack of 52 cards?

a. 13/51
b. 1/17
c. 1/26
d. 13/17
Answer  Explanation 

ANSWER: 1/17

Explanation:
No explanation is available for this question!


10)   What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?

a. 1/21
b. 4/7
c. 2/7
d. 5/7
Answer  Explanation 

ANSWER: 5/7

Explanation:
No explanation is available for this question!