6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If √[(1 + cosA)/2] = x, then find the value of x.

A) sin(A/2)	B) tan(A/2)
C) cot(A/2)	D) cos(A/2)

Answer & Explanation Answer: D) cos(A/2)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

A) 2.67 days	B) 2.33 days
C) 3.33 days	D) 3.67 days

Answer & Explanation Answer: A) 2.67 days

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Curved surface area of a cylinder is 1232 sq cm. If circumference of its base is 154 cm, then what will be the height of the cylinder? (Take π = 22/7)

A) 16 cm	B) 4 cm
C) 8 cm	D) 12 cm

Answer & Explanation Answer: C) 8 cm

Explanation:

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

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Q:

From the circumcentre I of the triangle ABC, perpendicular ID is drawn on BC. If ∠BAC = 60°, then the value of ∠BID is

A) 60°	B) 80°
C) 75°	D) 45°

Answer & Explanation Answer: A) 60°

Explanation:

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

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Q:

The average of first 20 multiples of 12 is

A) 124	B) 120
C) 126	D) 130

Answer & Explanation Answer: C) 126

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

If $2 x^{2} + 2 y^{2} = 4 a$ the find the value of $\frac{2 a}{x^{2} - a} + \frac{2 a}{y^{2} - a}$

A) 0	B) 1
C) a	D) 2a

Answer & Explanation Answer: A) 0

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

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Q:

In the given questions, two equations numbered I and II are given. Solve both the equation and mark the appropriate answer.

$I . x^{2} - 5 x - 24 = 0 II . 2 y^{2} + 19 y + 35 = 0$

A) x > y	B) x>y
C) x < y	D) x<y

Answer & Explanation Answer:

Explanation:

x^2–5x –24 = 0

(x-8) (x+3)

x = 8, -3

II. 2y^2+ 19y + 35 = 0

(2y+7) (y+7)y= -7, -5/2

So can’t be determined

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Filed Under: Simplification
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Q:

What is the equation of a line having a slope -1/3 and y-intercept equal to 6?

A) x + 3y = 18	B) x - 3y = 6
C) x + 3y = -18	D) x - 3y = -6

Quantitative Aptitude - Arithmetic Ability Questions

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