Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of cos (90 – B) sin (C – A) + sin (90 + A) cos (B + C) – sin (90 – C) cos (A + B)?

A) 1 B) sin ( A + B – C)
C) cos ( B + C – A) D) 0
 
Answer & Explanation Answer: D) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

√(cosec2 -­ 1)/cosecA is equal to?

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

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Q:

Vikash purchased 5 bananas for Rs.4 and sold 4 bananas for Rs.5. Calculate his % profit?

A) 55.56% B) 53.25%
C) 45.50% D) 56.25%
 
Answer & Explanation Answer: D) 56.25%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Of the three numbers, the average of the first number and the second number is 37 more than the average of second number and third number. What is the difference between the first and the third number?

A) 74 B) 73
C) 37 D) cannot be determined
 
Answer & Explanation Answer: A) 74

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If tan(A/2) = x, then the value of x is

A) (1 - cosA)/sinA B) (1 + cosA)/sinA
C) √[(1 - cosA)/sinA] D) √[(1 + cosA)/sinA]
 
Answer & Explanation Answer: A) (1 - cosA)/sinA

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Q:

Dodecahedron has 20 vertices. How many edges does it have?

A) 30 B) 16
C) 12 D) 24
 
Answer & Explanation Answer: A) 30

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Q:

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

A) YXW B) LKJ
C) RQP D) MNO
 
Answer & Explanation Answer: D) MNO

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

What is the highest common factor of 360 and 450?

A) 90 B) 45
C) 10 D) 9
 
Answer & Explanation Answer: A) 90

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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