Aptitude and Reasoning Questions

Q:

If √(1+tan2A) = x, then the value of x is

A) sinA B) cosecA
C) secA D) cosA
 
Answer & Explanation Answer: C) secA

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Filed Under: Simplification
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Q:

The price of an article is cut by 9%, to restore to its original value, the new price must be increased by

A) 9 percent B) 8.83 percent
C) 9.89 percent D) 6.25 percent
 
Answer & Explanation Answer: C) 9.89 percent

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Filed Under: Percentage
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Q:

A cylindrical vessel of height 5 cm and radius 4 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 6 cm. What will be the height of this cone? (Take π = 22/7)

A) 6.67 cm B) 2.22 cm
C) 3.33 cm D) 1.67 cm
 
Answer & Explanation Answer: A) 6.67 cm

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Filed Under: Area
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Q:

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

A) 7 3/8 days B) 8 4/5 days
C) 9 3/8 days D) 10 days
 
Answer & Explanation Answer: C) 9 3/8 days

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Filed Under: Time and Work
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Q:

Find the missing number in the series

A) 5 B) 6
C) 7 D) 8
 
Answer & Explanation Answer: A) 5

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Filed Under: Arithmetical Reasoning
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Q:

ax + 3y = 6 has slope -2/3. What is the value of a?

A) -2 B) 2
C) 3 D) -3
 
Answer & Explanation Answer: B) 2

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Q:

How many triangles are there?

A) 28 B) 36
C) 40 D) 48
 
Answer & Explanation Answer: B) 36

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Filed Under: Image Analysis
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Q:

Three solid spheres have their radii r1, r2 and r3. The spheres are melted to form a solid sphere of bigger radius. Then the radius of the new sphere is

A) r1+r2+r3 B) r12+r22+r3212
C) r13+r23+r3313 D) r14+r24+r3414
 
Answer & Explanation Answer: C) r13+r23+r3313

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Filed Under: Volume and Surface Area
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