Aptitude and Reasoning Questions

Q:

The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?

A) 11.25 B) 11.5
C) 11.75 D) 12.25
 
Answer & Explanation Answer: C) 11.75

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Filed Under: Average
Exam Prep: Bank Exams

0 1967
Q:

In the given figure, OX, OY and OZ are perpendicular bisectors of the three sides of the triangle. If QPR = 65 deg and PQR = 60 deg, then what is the value (in deg) of QOR + POR ?

A) 250 B) 180
C) 210 D) 125
 
Answer & Explanation Answer: A) 250

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Filed Under: Area
Exam Prep: Bank Exams

0 1966
Q:

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

A) (4√3 – 1)/4 B) (4√3 + 1)/2
C) (–4√3 – 1)/4 D) (–4√3 – 1)/2
 
Answer & Explanation Answer: C) (–4√3 – 1)/4

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0 1966
Q:

What is the value of Tan 60 + Cosec 60?

A) 5/3 B) 2/√3
C) 5/√3 D) 2/3
 
Answer & Explanation Answer: C) 5/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1966
Q:

If the expression px3  2x2  qx + 18 is completely divisible by (x2  9), then what is the ratio between p and q respectively?

A) 1:9 B) 1:3
C) 3:1 D) 9:1
 
Answer & Explanation Answer: A) 1:9

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1966
Q:

The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the average age (in years) of newly joined members?

A) 36.5 B) 37.2
C) 38.3 D) 38.7
 
Answer & Explanation Answer: D) 38.7

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Exam Prep: Bank Exams

0 1966
Q:

Rs. 782 is divided into 3 parts in the ratio 12:23:34, the first part is 

A) Rs. 182 B) Rs. 204
C) Rs. 190 D) Rs. 196
 
Answer & Explanation Answer: B) Rs. 204

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 1966
Q:

In each of the following questions two equations I and II are given. Solve both the equations and give answer:
I. x2+2x-195=0II. y2+30y+225=0

A) x = y or relation can’t be established between x and y B) x > y
C)  x < y D)  x ≥ y
 
Answer & Explanation Answer: D)  x ≥ y

Explanation:

 I. x2 + 2x - 195 = 0 = (x+15) (x-13) => x = -15, 13

II. y2 + 30y + 225 = 0 = (y+15) (y+15) => y = -15, -15

So x ≥ y

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Filed Under: Simplification

0 1966