Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

A) 5/2 B) 25/3
C) 4 D) 3
 
Answer & Explanation Answer: D) 3

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Q:

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is

A) 144 sq. cms B) 288√3 sq. cms
C) 144√3 sq. cms D) 288sq.cms
 
Answer & Explanation Answer: C) 144√3 sq. cms

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Q:

Find the odd word/letters/number from the given alternatives.

A) Teacher B) Lawyer
C) Doctor D) Manager
 
Answer & Explanation Answer: D) Manager

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Filed Under: Odd Man Out
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Q:

If a+b+c = 0, then (a^3 + b^3 + c^3)^2 = ?

A) 27abc B) 9abc
C) 3abc D) 9a^2b^2c^2
 
Answer & Explanation Answer: D) 9a^2b^2c^2

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Q:

An equilateral triangle ABC is inscribed in a circle of radius 20√3.
What is the length of the side of the triangle?

A) 30 cm B) 40 cm
C) 50 cm D) 60 cm
 
Answer & Explanation Answer: D) 60 cm

Explanation:
Radius of circumcircle of an equilateral triangle = side /√3
R = a/√3
a = R√3 = 20√3 *√3 = 60cm
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Filed Under: Volume and Surface Area
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Q:

A shopkeeper, sold dried apricots at the rate Rs 1,310 a kg and bears a loss of 13%. Now if he decides to sell it at Rs 1,441 per kg, what will be the result?

A) 8.6 percent loss B) 4.3 percent gain
C) 4.3 percent loss D) 8.6 percent gain
 
Answer & Explanation Answer: C) 4.3 percent loss

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Filed Under: Profit and Loss
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Q:

Ram Naresh got two successive discounts, a bag with a list price of Rs.400 is available at Rs. 160. If the second discount is 20%, find the first discount.

A) 40% B) 30%
C) 50% D) 80%
 
Answer & Explanation Answer: C) 50%

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Filed Under: Percentage
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Q:

If (x+1/x) = 5, then the value of 5xx2+5x+1?

A) 1/3 B) 1/4
C) 1/2 D) 1/5
 
Answer & Explanation Answer: C) 1/2

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