Quantitative Aptitude - Arithmetic Ability Questions

Q:

The diagonals of two squares are in the ratio 5:2.The ratio of their area is

A) 5:6 B) 25:4
C) 5:4 D) 125:8
 
Answer & Explanation Answer: B) 25:4

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is

A) 65 B) 66
C) 68 D) 70
 
Answer & Explanation Answer: C) 68

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Filed Under: Percentage
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Q:

Find the curved surface area (in cm2) of a right circular cylinder of diameter 28 cm and height 12 cm.

A) 968 B) 924
C) 856 D) 1056
 
Answer & Explanation Answer: D) 1056

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

PQ is a diameter of a circle with centre O. RS is a chord parallel to PQ subtends an angle of 40° at the centre of the circle. If PR and QS are produced to meet at T, then what will be the measure (in degrees) of ∠PTQ?

A) 55 B) 60
C) 70 D) 90
 
Answer & Explanation Answer: C) 70

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The point equidistant from the vertices of a triangle is called its

A) incentre B) circumcentre
C) orthocentre D) centroid
 
Answer & Explanation Answer: B) circumcentre

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Q:

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

A) 56 B) 78
C) 70 D) 80
 
Answer & Explanation Answer: B) 78

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Weight of A and B are in the ratio 11 : 8. A’s weight increases by 40% and the total weight of A and B increases by 30%. What is the percentage increase in the B’s weight?

 

 

 

 

A) 10.25 B) 16.25
C) 12.5 D) 18.75
 
Answer & Explanation Answer: B) 16.25

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Filed Under: Percentage
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Q:

If x - y = -8 and xy = 45, then (x2 + y2) is

A) 154 B) 64
C) 90 D) 26
 
Answer & Explanation Answer: A) 154

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Filed Under: Simplification
Exam Prep: Bank Exams

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