Quantitative Aptitude - Arithmetic Ability Questions

Q:

2*[­0.3(1.3 + 3.7)] of 0.8 = ?

A) ­1.92 B) -0.72
C) 2.16 D) -­2.4
 
Answer & Explanation Answer: D) -­2.4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

A) π6 B) π3
C) 2π3 D) π2
 
Answer & Explanation Answer: D) π2

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Q:

A mobile plan costs Rs. 32 for 6 minutes. What is the approximate cost, in rupees, for 4 minutes?

A) 21.30 B) 21.40
C) 21.20 D) 21.50
 
Answer & Explanation Answer: A) 21.30

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Q:

The radius of a sphere and hemisphere are same. The ratio of their total surface area is

A) 3:1 B)  2:1
C) 3:2 D) 4:3
 
Answer & Explanation Answer: D) 4:3

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Q:

What is the simplified value of [(sec3x  tan3x)/(sec x  tan x)]  2 tan2x  sec x tan x?

A) 0 B) 2
C) -1 D) 1
 
Answer & Explanation Answer: D) 1

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Q:

In an examination, 52% candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then what percent passed in both the subjects?

 

A) 77 B) 58
C) 48 D) 23
 
Answer & Explanation Answer: D) 23

Explanation:

No of students failed in English only = 52 –17 = 35

No of students failed in maths only = 42 –17 = 25

Total no of failed students in either of the subjects = 35+17+25 = 77

No of passed student in both subjects = 100 –77 = 23

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Q:

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

A) 25 percent B) 12 percent
C) 20 percent D) 28 percent
 
Answer & Explanation Answer: C) 20 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

A) (6/11, 9/11) B) (6/7, 9/7)
C) (6/11, -9/11) D) (-6/7, 9/7)
 
Answer & Explanation Answer: A) (6/11, 9/11)

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

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