6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Cost price of a refrigerator is Rs 13400. If loss percentage is 4%, then what is the selling price (in Rs) of the refrigerator?

A) 12203	B) 12864
C) 14420	D) 11312

Answer & Explanation Answer: B) 12864

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Exam Prep: Bank Exams

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Q:

If the product of two numbers is 4941 and their LCM is 81, then their HCF is :

A) 60	B) 59
C) 35	D) 61

Answer & Explanation Answer: D) 61

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Exam Prep: CAT , Bank Exams

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Q:

Simplify the equation $\frac{{(0.73)}^{3} + {(0.27)}^{3}}{{(0.73)}^{2} + {(0.27)}^{2} - (0.73) \times (0.27)}$

A) 1	B) 0.4087
C) 0.73	D) 0.27

Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A tower stands on the top of a building which is 40 metres high. The angle of depression of a point situated on the ground from the top and bottom of the tower are found to be 60 and 45 deg respectively. What is the height (in metres) of tower?

A) 20√3	B) 30(√3 + 1)
C) 40(√3 – 1)	D) 50(√3 – 1)

Answer & Explanation Answer: C) 40(√3 – 1)

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Exam Prep: Bank Exams

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Q:

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

A) 60	B) 55
C) 50	D) 65

Answer & Explanation Answer: B) 55

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

What is the value of $\frac{1 + a}{a^{1 / 2} + a^{- 1 / 2}} - \frac{a^{1 / 2} + a^{- 1 / 2}}{1 + a} + a^{- 1 / 2}$ ?

A) √a	B) 1/√a
C) 0	D) √a+1

Answer & Explanation Answer: A) √a

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Q:

If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

A) 7	B) 20
C) -7	D) -20

Answer & Explanation Answer: C) -7

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Q:

When a number is increased by 20, it becomes 116% of itself. What is the number?

A) 100	B) 250
C) 125	D) 400

Quantitative Aptitude - Arithmetic Ability Questions

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