6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Solve the following :

(-4){19 - (-2) x (-8)} = ?

A) 12	B) -140
C) 140	D) -12

Answer & Explanation Answer: D) -12

Explanation:

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Filed Under: Simplification
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0 85000

Q:

Consider the following for real numbers α, β, γ and δ ?

1) sec α = 1/4

2) tan β = 20

3) cosec γ = 1/2

4) cos δ = 2

How many of the above statements are not possible?

A) one	B) two
C) three	D) four

Answer & Explanation Answer: C) three

Explanation:

Sec of any number can never be less than 1

tan can take any value from -∞ to + ∞

cosec of any number can never be less than 1

cos of any number can never be greater than 1

so option 1,3,4 are not possible

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1 84801

Q:

Given w = -2, x = 3, y = 0 & z = -1/2. Find the value of $2 (w^{2} + x^{2} + y^{2})$ .

A) 26	B) -26
C) 25	D) 28

Answer & Explanation Answer: A) 26

Explanation:

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1 84719

Q:

Find the odd man out of the following number series?

720, 732, 708, 742, 696

A) 696	B) 742
C) 708	D) 732

Answer & Explanation Answer: B) 742

Explanation:

The given number series is 720, 732, 708, 742, 696

720

720 + 12 = 732

732 - 24 = 708

708 + 36 = 744 (Not 742)

744 - 48 = 696

Hence, the odd man in the given number series is 742.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 84662

Q:

Directions: What value should come in place of question mark (?) in the following question?

69÷3×0.85+24.5-13.8=?

A) 31.75	B) 30.25
C) 28.95	D) 35.25

Answer & Explanation Answer: B) 30.25

Explanation:

= (69x85/3x100) + 10.7

= 30.25.

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Exam Prep: AIEEE , Bank Exams , GATE

0 84196

Q:

At what time between 5 and 6 o' clock are the hands of a 3 minutes apart ?

A) 24min	B) 12min
C) 13min	D) 14min

Answer & Explanation Answer: A) 24min

Explanation:

In this type of problems the formuae is
(5*x+ or - t)*12/11
Here x is replaced by the first interval of given time. Here x is 5.
t is spaces apart

Case 1 : (5*x + t) * 12/11

(5*5 + 3) * 12/11

28 * 12/11 = 336/11= $31 \frac{5}{11}$ min

therefore the hands will be 3 min apart at 31 5/11 min past 5.

Case 2 : (5*x - t) * 12/11

(5*5 -3 ) * 12/11

22 *12/11 = 24 min

therefore the hands will be 3 min apart at 24 min past 5

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Filed Under: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO

202 84073

Q:

Find x.

693.5 - (47.23 - x) - 82.48 = 8.172.

A) -720.578	B) -555.618
C) -650.078	D) 831.382

Answer & Explanation Answer: B) -555.618

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

5 84005

Q:

Simplify : 5x - 2x(x-1)

A) 3x-2	B) 3x+2
C) 7x+2x2	D) 7x-2x2

Quantitative Aptitude - Arithmetic Ability Questions

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