Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 2cosAsinB = x, then the value of x is?

A) sin(A+B) + sin(A­-B) B) cos(A+B) + cos(A­-B)
C) sin(A+B) ­- sin(A-­B) D) cos(A­-B) -­ cos(A+B)
 
Answer & Explanation Answer: C) sin(A+B) ­- sin(A-­B)

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Filed Under: Simplification
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Q:

If Cot θ = 24/7, then Sin θ = ?

A) 24/25 B) 8/25
C) 7/25 D) 9/25
 
Answer & Explanation Answer: C) 7/25

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Q:

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

A) 961 B) 443
C) 361 D) 289
 
Answer & Explanation Answer: B) 443

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

A shopkeeper marks the price of an article at Rs. 320. Find the cost price if after allowing a discount of 10%, he still gains 20% on the cost price.

A) Rs. 240 B) Rs. 280
C) Rs. 300 D) Rs. 264
 
Answer & Explanation Answer: A) Rs. 240

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Filed Under: Profit and Loss
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Q:

4*(-­0.1(5.5 + 8.5)) of 0.5 = ?

A) -2.8 B) -1.68
C) -1.28 D) -0.84
 
Answer & Explanation Answer: A) -2.8

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Q:

A line cuts the x­axis at the point (­3,0) and the y­axis at the point (0,6). What is the equation of the line?

A) x = 2y + 6 B) y = 2x ­- 6
C) x = 2y -­ 6 D) y = 2x + 6
 
Answer & Explanation Answer: D) y = 2x + 6

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Filed Under: Average
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Q:

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

A) 8 days B) 16 days
C) 30 days D) 32 days
 
Answer & Explanation Answer: B) 16 days

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Filed Under: Time and Work
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Q:

In the following question, select the odd word pair from the given alternatives.

A) Sister – Brother B) Son – Friend
C) Father – Daughter D) Mother – Son
 
Answer & Explanation Answer: B) Son – Friend

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Filed Under: Odd Man Out
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