6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A wholesaler sells a watch to a retailer at a gain of 37% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2,620.125, what had it cost the wholesaler?

A) Rs 2550	B) Rs 2692
C) Rs 3327	D) Rs 2408

Answer & Explanation Answer: A) Rs 2550

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 2077

Q:

If secA - tanA = x, then the value of x is

A) 1/(sec2A - tan2A)	B) 1/(sec2A + tan2A)
C) 1/√[(sec2A - tan2A)]	D) 1/(secA + tanA)

Answer & Explanation Answer: D) 1/(secA + tanA)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2077

Q:

Every month, Kritika spends 30% of her income on house rent and 60% of the rest on household expenditure. If she saves ₹ 6300 per month, what is her total monthly income?

A) ₹ 22,000	B) ₹ 20,500
C) ₹ 22,500	D) ₹ 25,000

Answer & Explanation Answer: C) ₹ 22,500

Explanation:

Let the monthly income be x
Kritika spends 30% of her income on house rent. The remaining amount will be 70% of x
Kritika spends 60% of the rest (70% of 60% = 42% of x )on household expenditure. The remaining amount will be 28% of x
If 28% of x is 6300 then 100% will be 22,500

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT

0 2077

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

Answer & Explanation Answer: B) 360

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

2 2076

Q:

In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels always come together?

A) 720	B) 1440
C) 1800	D) 3600

Answer & Explanation Answer: B) 1440

Explanation:

Given word is THERAPY.

Number of letters in the given word = 7

Number of vowels in the given word = 2 = A & E

Required number of different ways, the letters of the word THERAPY arranged such that vowels always come together is

6! x 2! = 720 x 2 = 1440.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

13 2074

Q:

What is the value of $\frac{3.6 \times 1.62 + 0.48 \times 3.6}{1.8 \times 0.8 + 10.8 \times 0.3 - 2.16}$ ?

A) 2.4	B) 2
C) 4	D) 3

Answer & Explanation Answer: D) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2073

Q:

A number is increased by 84, it becomes 107% of itself. What is the number?

A) 600	B) 900
C) 1500	D) 1200

Answer & Explanation Answer: D) 1200

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

4 2071

Q:

If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey.

A) 32	B) 30
C) 31	D) 33

Quantitative Aptitude - Arithmetic Ability Questions

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