Aptitude and Reasoning Questions

Q:

The perimeter of a right-angled triangle is k times the shortest side. If the ratio of the other side to hypotenuse is 4 : 6, then what is the value of k?

 

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

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Filed Under: Area
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Q:

How many quadrilaterals are there in the figure?

A) 3 B) 4
C) 7 D) 6
 
Answer & Explanation Answer: C) 7

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Filed Under: Image Analysis
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Q:

What is the value of cot 5π/3?

A) 1/√3 B) -1/√3
C) √3 D) -√3
 
Answer & Explanation Answer: B) -1/√3

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Filed Under: Simplification
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Q:

If the radius of a circle is decreased to 25% of its original value, calculate the percentage decrease in the area of the circle

A) 25% B) 43.75%
C) 50% D) 93.75%
 
Answer & Explanation Answer: D) 93.75%

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Q:

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

A) MN B) NM
C) OL D) ET
 
Answer & Explanation Answer: D) ET

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Filed Under: Odd Man Out
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Q:

A complete factorisation of x4 + 64 is

A) (x2 + 8)2 B) (x2 + 8)(x2 - 8)
C) (x2 - 4x + 8)(x2 -4x - 8) D) (x2 + 4x + 8)(x2 - 4x + 8)
 
Answer & Explanation Answer: D) (x2 + 4x + 8)(x2 - 4x + 8)

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Q:

If 50 less had applied and 25 less selected, the ratio of selected to unselected would have been 9 : 4. So how many candidates had applied if the ratio of selected to unselected was 2 : 1.

A) 125 B) 250
C) 375 D) 500
 
Answer & Explanation Answer: C) 375

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Filed Under: Ratios and Proportions
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Q:

Two cars travel from city A to city B at a speed of 24 and 32 km/hr respectively. If one car takes 2.5 hours lesser time than the other car for the journey, then the distance between City A and City B is

A) 288 km B) 360 km
C) 240 km D) 192 km
 
Answer & Explanation Answer: C) 240 km

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Filed Under: Time and Distance
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