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 Quantitative Aptitude - Arithmetic Ability Questions

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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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Filed Under: Numbers
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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) BYCX B) DWEV
C) GUHS D) IRJQ
 
Answer & Explanation Answer: C) GUHS

Explanation:
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Filed Under: Odd Man Out
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Q:

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

A) x + 3y = 6 B) x + 3y = -­6
C) x -­ 3y = -­6 D) x ­- 3y = 6
 
Answer & Explanation Answer: B) x + 3y = -­6

Explanation:
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Q:

Which is the correct ascending order of the given numbers?

A) 1/3, 4/15, 0.33 B) 1/3, 0.33, 4/15
C) 4/15, 0.33, 1/3 D) 0.33, 4/15, 1/3
 
Answer & Explanation Answer: C) 4/15, 0.33, 1/3

Explanation:
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Q:

In the following question, select the odd letter from the given alternatives.

A) A B) S
C) U D) I
 
Answer & Explanation Answer: B) S

Explanation:
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Filed Under: Odd Man Out
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Q:

Find the sum of interior angles of a dodecagon?

A) 1620° B) 1800°
C) 1440° D) 1260°
 
Answer & Explanation Answer: B) 1800°

Explanation:
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Q:

In triangle ABC, ∠ABC = 90°. BP is drawn perpendicular to AC. If ∠BAP = 50°, then what is the value (in degrees) of ∠PBC?

A) 30 B) 45
C) 50 D) 60
 
Answer & Explanation Answer: C) 50

Explanation:
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Q:

Find 2 consecutive natural numbers, sum of whose squares is 25.

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

Explanation:
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Filed Under: Problems on Numbers
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