Aptitude and Reasoning Questions

Q:

If (1 - cosA)/2 = x, then the value of x is

A) cos^2(A/2) B) √sin(A/2)
C) √cos(A/2) D) sin^2(A/2)
 
Answer & Explanation Answer: D) sin^2(A/2)

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Q:

Choose the CORRECT option if the two sides of a triangle is of length 4 cm and 10 cm and the length of its third side is a cm.

A) a<6 B) 6
C) a>5 D) 5
 
Answer & Explanation Answer: B) 6

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Q:

The average of first 20 multiples of 12 is

A) 124 B) 120
C) 126 D) 130
 
Answer & Explanation Answer: C) 126

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Simplify 486b3x2a4z3/27a3b2z

A) 18bx2az2 B) 18bx2a2z
C) 36ba2z D) 36bxaz
 
Answer & Explanation Answer: A) 18bx2az2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a + b = 8 and ab =15, then a3 + b3 is

A) 224 B) 244
C) 152 D) 128
 
Answer & Explanation Answer: C) 152

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?

A) 31 B) 26
C) 28 D) 24
 
Answer & Explanation Answer: C) 28

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Filed Under: Simplification
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Q:

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)

A) 21 cms B) 5.25 cms
C) 10.5 cms D) 15.75 cms
 
Answer & Explanation Answer: C) 10.5 cms

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

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

A) PON B) SRQ
C) XYZ D) VUT
 
Answer & Explanation Answer: C) XYZ

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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