Quantitative Aptitude - Arithmetic Ability Questions

Q:

Select the odd number from the given alternatives.

A) 13 B) 17
C) 21 D) 23
 
Answer & Explanation Answer: C) 21

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Filed Under: Odd Man Out
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Q:

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

A) Meter B) Kilometre
C) Decimetre D) Ammeter
 
Answer & Explanation Answer: D) Ammeter

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Filed Under: Odd Man Out
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Q:

Select the odd letters from the given alternatives.

A) UTS B) PNM
C) KIH D) FDC
 
Answer & Explanation Answer: A) UTS

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Filed Under: Odd Man Out
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Q:

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

A) 11, 14 B) 11, ­-14
C) 14, -­11 D) 14, -­22
 
Answer & Explanation Answer: B) 11, ­-14

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Filed Under: Simplification
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Q:

In figure 'O' is the centre of a circle. The area of sector OAPB is 5/18. of the area of the circle find 'x'.

 

 

A) 120 deg B) 100 deg
C) 115 deg D) 125 deg
 
Answer & Explanation Answer: B) 100 deg

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Filed Under: Area
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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:

The interest on Rs. 1250 for 6 years at the rate of 4% simple interest per annum will be

A) Rs. 360 B) Rs. 350
C) Rs. 375 D) Rs. 300
 
Answer & Explanation Answer: D) Rs. 300

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Filed Under: Simple Interest
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Q:

If the difference between the measures of the two smaller angles of a right angled triangle is 8°, then the smallest angle is

A) 37° B) 41°
C) 42° D) 49°
 
Answer & Explanation Answer: B) 41°

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Filed Under: Volume and Surface Area
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