Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 2cosec2A = x, then the value of x is

A) 1/(1 - cosecA) - 1/(1 + cosecA) B) 1/(1 + sinA) + 1/(1 - tanA)
C) 1/(1 + cosA) + 1/(1 - cosA) D) 1/(1 - tanA) - 1/(1 + sinA)
 
Answer & Explanation Answer: C) 1/(1 + cosA) + 1/(1 - cosA)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In a cyclic quadrilateral ABCD ∠BCD=120° and passes through the centre of the circle. Then ∠ABD = ?

A) 30° B) 40°
C) 50° D) 60°
 
Answer & Explanation Answer: A) 30°

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

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Q:

Cost price of 28 articles is equal to Sale price of 21 articles, then percentage of profit is

A) 12% B) 33 1⁄3 %
C) 20% D) 22%
 
Answer & Explanation Answer: B) 33 1⁄3 %

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?

A) 4/5 B) 8/5
C) 5/4 D) 6/5
 
Answer & Explanation Answer: C) 5/4

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Find the angular elevation of the sum when the shadow of a 15m long pole is 152meters

A) 45° B) 60°
C) 30° D) 90°
 
Answer & Explanation Answer: B) 60°

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Q:

P alone can do a piece of work in 8 days and Q alone can do the same work in 10 days. In how many days will both together complete the same work?

A) 40/9 B) 20/9
C) 60/7 D) 40/7
 
Answer & Explanation Answer: A) 40/9

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

A) (3√2+1)/3 B) (2+√3)/2
C) 5/√3 D) (√6+1)/√3
 
Answer & Explanation Answer: D) (√6+1)/√3

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Filed Under: Simplification
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Q:

The value of (sec245 - cot245) - (sin230 + sin260) is

A) 1 B) 2√3
C) 0 D) 1/√2
 
Answer & Explanation Answer: C) 0

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Filed Under: Simplification
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