6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In each of these questions, a question is given followed by information in three statements. You have to find out the data in which statement(s) is sufficient to answer the question and mark your answer accordingly. What are the marks scored by Abhijit in English?

I. Marks scored by Abhijit in Maths are more than his marks in Science by 20.

II. Total marks scored by Abhijit in Maths, Science and English are 198.

III. Marks scored by Abhijit in Science are more than his marks in English by 12.

A) Any two of the three	B) Only II and III
C) All I, II and III	D) Question cannot be answered even with the information in all the three statements

Answer & Explanation Answer: C) All I, II and III

Explanation:

Suppose marked scored by Abhijit in English = x
From statement I,
Marks in science = x + 12
From statement III,
Marks in mathematics = x + 12 + 20
= x + 32
From statement II,
English + Science + Mathematics = 198
x + x +12 + x + 38 = 198
3x = 154
x = 154/3
All I, II and III are required to find answer.

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

0 1623

Q:

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is

A) 100 3m	B) 100m
C) 753m	D) 253m

Answer & Explanation Answer: A) 100 3m

Explanation:

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Filed Under: Height and Distance
Exam Prep: Bank Exams

3 1623

Q:

When a discount of Rs. 42 is allowed on the marked price of an article, the new reduced price becomes 86% of the original price. Find the marked price.

A) Rs.250	B) Rs.300
C) Rs.350	D) Rs.400

Answer & Explanation Answer: B) Rs.300

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1623

Q:

A fan is sold at a discount of 37.5%. If the marked price of the fan is Rs 7200, then what is the selling price (in Rs) of the fan?

A) 4500	B) 4350
C) 5240	D) 5120

Answer & Explanation Answer: A) 4500

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1623

Q:

If $x + \frac{1}{x} \neq 0 and x^{3} + \frac{1}{x^{3}} = 0, then the value of {(x + \frac{1}{x})}^{4} is :$

A) 9	B) 12
C) 15	D) 16

Answer & Explanation Answer: A) 9

Explanation:

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Filed Under: Simplification

0 1623

Q:

What is the value of $\sin (90 ° + 2 A) [4 - \cos 2 (90 ° - 2 A)] ?$

A) 2(cos3 A – sin3 A)	B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A)	D) 4(cos6 A – sin6 A)

Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1622

Q:

By increasing the price of entry ticket to a fair in the ratio 7:17, the number of visitors to the fair has decreased in the ratio 9:5. In what ratio has the total collection increased or decreased?

A) decreased in the ratio 85:63	B) increased in the ratio 35:153
C) increased in the ratio 63:85	D) decreased in the ratio 153:35

Answer & Explanation Answer: C) increased in the ratio 63:85

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

6 1622

Q:

In the given figure, PQRS is a square of side 20 cm and SR is extended to point T. If the length of QTis 25 cm, then what is the distance (in cm) between the centers O1 and O2 of the two circles?

A) 5√10	B) 4√10
C) 8√5	D) 16√2

Quantitative Aptitude - Arithmetic Ability Questions

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