Quantitative Aptitude - Arithmetic Ability Questions

Q:

If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of x2+ y2 + z2 is

A) 2a2 B) 0
C) 4a2 D) a2
 
Answer & Explanation Answer: D) a2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to

A) 27 B) 8
C) 64 D) 0
 
Answer & Explanation Answer: C) 64

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If A, B and C are denoting Mean, Median and Mode of a data and A : B = 9 : 8. Then the ratio of B : C is

A) 5:4 B) 8:9
C) 4:3 D) 7:6
 
Answer & Explanation Answer: C) 4:3

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

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Q:

In the triangle ABC,∠BAC = 50° and the bisectors of ∠ABC and ∠ACB meets at P. What is the value (in degrees) of ∠BPC?

A) 100 B) 105
C) 115 D) 125
 
Answer & Explanation Answer: C) 115

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Q:

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

A) 14/83 B) 83/14
C) 90/83 D) 83/90
 
Answer & Explanation Answer: A) 14/83

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

O is the orthocentre ofABC, and if ∠BOC = 110° then ∠BAC will be

A) 110° B) 70°
C) 100° D) 90°
 
Answer & Explanation Answer: B) 70°

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

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Q:

What is the average of all natural numbers from 21 to 39?

A) 30 B) 31
C) 29 D) 28
 
Answer & Explanation Answer: A) 30

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

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

A) 26 B) 50
C) 82 D) 120
 
Answer & Explanation Answer: D) 120

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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