Quantitative Aptitude - Arithmetic Ability Questions

Q:

tan(A/2) is equal to

A) cosecA + cotA B) secA - cotA
C) cosecA - cotA D) secA + cotA
 
Answer & Explanation Answer: C) cosecA - cotA

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Q:

Find the value of 'a' for which x+3x+a24 is a perfect square.

A) √3 B) 2√3
C) 3√3 D) 4√3
 
Answer & Explanation Answer: A) √3

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Q:

What is the value of 2 consecutive natural numbers, sum of whose squares is 145?

A) 8, 9 B) 6, 7
C) 13, 14 D) 9, 10
 
Answer & Explanation Answer: A) 8, 9

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Q:

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ABC = ACB = 75°.

A) 105 B) 147.5
C) 160 D) 170
 
Answer & Explanation Answer: A) 105

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Q:

What is the equation of the line passing through the point (0,­4) and making an angle of ­45° with the positive x­axis?

A) x + y = 4 B) x -­ y = - ­4
C) x + y = -­4 D) x ­- y = 4
 
Answer & Explanation Answer: C) x + y = -­4

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Q:

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

A) 1:2:3 B) 2:3:4
C) 2:3:1 D) 3:2:1
 
Answer & Explanation Answer: A) 1:2:3

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Filed Under: Ratios and Proportions
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Q:

If four angles of a quadrilateral are (6x-18), (80-4x), (4x+14), (12x-58), then find the value of the smallest angle of the quadrilateral.

A) 40 B) 100
C) 180 D) 200
 
Answer & Explanation Answer: A) 40

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Q:

The lengths of two diagonals of a rhombus are 24 cm and 32 cm. What is the side (in cm) of the rhombus?

A) 20 B) 40
C) 60 D) 80
 
Answer & Explanation Answer: A) 20

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Filed Under: Volume and Surface Area
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