6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

On a certain item profit is 120%. If the cost price increases by 10% then what will be the new profit margin (in %) if selling price remains the same?

A) 50	B) 60
C) 100	D) 90

Answer & Explanation Answer: C) 100

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

5 2377

Q:

How many pairs (A, B) are possible in the number 479865AB if the number is divisible by 9 and it is given that the last digit of the number is odd?

A) 5	B) 6
C) 9	D) 11

Answer & Explanation Answer: A) 5

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams

5 2376

Q:

In the given figure, SX is tangent. SX = OX = OR. If QX = 3 cm and PQ = 9 cm, then what is the value (in cm) of OS?

A) 6	B) 5
C) 4	D) 3

Answer & Explanation Answer: D) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2373

Q:

3/8 as a decimal

A) 1.375	B) 2.375
C) 0.375	D) 3.75

Answer & Explanation Answer: C) 0.375

Explanation:

Expressing 3/8 as a decimal fraction:

We can convert 3/8 into a decimal fraction by just dividing 3 by 8 or making 3 into 8 parts.

Then, it is 3/8 = 0.375 as a decimal fraction.

Other Method::

3/8 as a Decimal :

In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple.

Now to make 8 into 1000, we multiply numerator and denominator with 125

=> ( $\frac{3 x 125}{8 x 125} = \frac{375}{1000} = 0.375$

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Filed Under: Decimal Fractions
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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3 2373

Q:

If 2A = 3B = 8C; What is A : B : C?

A) 8 : 3 : 2	B) 8 : 4 : 3
C) 2 : 3 : 8	D) 12 : 8 : 3

Answer & Explanation Answer: D) 12 : 8 : 3

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 2372

Q:

(secA - tanA)/(cosecA + cotA) is equal to

A) (secA - cotA) / (cosecA + tanA)	B) (secA - cosA) / (cosecA + sinA)
C) (cosecA - cotA) / (secA + tanA)	D) (secA + cosA) / (cosecA - sinA)

Answer & Explanation Answer: C) (cosecA - cotA) / (secA + tanA)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2370

Q:

P and Q started a business by investing Rs 50000 and Rs 40000 respectively. After 4 months, P withdraws Rs 20000 while Q invest Rs 70000 more after 6 months of starting the business. At the end of the year P’s share in the profit is Rs 11000. What will be the total profit (in Rs) at the end of year?

A) 33500	B) 27600
C) 42800	D) 38800

Answer & Explanation Answer: A) 33500

Explanation:

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Filed Under: Partnership
Exam Prep: Bank Exams

2 2369

Q:

Two cars A and B travel from one city to another, at speeds of 72 km/hr and 90 km/hr respectively. If car B takes 1 hour lesser than car A for the journey, then what is the distance (in km) between the two cities?

A) 270	B) 360
C) 240	D) 400

Quantitative Aptitude - Arithmetic Ability Questions

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