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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Point P is the midpoint of seg AB. Co­-ordinates of P are (­-1,1) and A are (4,3). What are the co-­ordinates of point B?

A) (6, 1) B) (-­6, ­1)
C) (6, ­-1) D) (­-6, -1)
 
Answer & Explanation Answer: D) (­-6, -1)

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Q:

The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.

A) 15 B) 30
C) 40 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Let larger number be x and smaller number be y.

Also, y = 10

According to question,

⇒(x + y) = 3((x –y)⇒(x + 10) = 3(x –10)

⇒2x = 40⇒x = 20

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Q:

Which of the following is not a Triangular number?

A) 15 B) 10
C) 5 D) 3
 
Answer & Explanation Answer: A) 15

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Q:

Which of the numbers given below is NOT rational?

A) 3√8 B) 3√64
C) √64 D) √8
 
Answer & Explanation Answer: D) √8

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Q:

The 3rd and 8th term of an arithmetic progression are -14 and 1 respectively. What is the 11th term?

A) 14 B) 16
C) 20 D) 10
 
Answer & Explanation Answer: D) 10

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Q:

An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.

A) 10 deg B) 20 deg
C) 30 deg D) 25 deg
 
Answer & Explanation Answer: A) 10 deg

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Q:

The number of sides of a regular polygon whose exterior angles are each 40 deg is

A) 7 B) 10
C) 9 D) 8
 
Answer & Explanation Answer: C) 9

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Q:

What is the area of the square, if the length of its diagonal is 13√2 units?

A) 104 sq.units B) 169 sq.units
C) 338 sq.units D) 676 sq.units
 
Answer & Explanation Answer: B) 169 sq.units

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