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:

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?

A) 3507 B) 3543
C) 3489 D) 3561
 
Answer & Explanation Answer: B) 3543

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Filed Under: Problems on Numbers
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Q:

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty in 35 hrs. If alternatively Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

A) 279 hrs B) 271 hrs
C) 275 hrs D) 280 hrs
 
Answer & Explanation Answer: B) 271 hrs

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Filed Under: Pipes and Cistern
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Q:

The radius of the circle circumscribing the three vertices of an equilateral triangle is 12 cm. Determine the height (in cm) of the equilateral triangle

A) 12 B) 14
C) 18 D) 20
 
Answer & Explanation Answer: C) 18

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Filed Under: Volume and Surface Area
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Q:

When 0.363636.....is converted into a fraction, then the result is _____.

A) 7/11 B) 4/11
C) 14/33 D) 8/33
 
Answer & Explanation Answer: B) 4/11

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Filed Under: Problems on Numbers
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Q:

What is the average of 90, 250, 240, 204, and 616?

A) 280 B) 210
C) 230 D) 255
 
Answer & Explanation Answer: A) 280

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Filed Under: Average
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Q:

The point equidistant from the vertices of a triangle is called its

A) incentre B) circumcentre
C) orthocentre D) centroid
 
Answer & Explanation Answer: B) circumcentre

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Q:

A man travelled at 40 kmph. Had he increased his speed by 16 kmph, he would have covered 80 km more in the same time. Find the actual distance travelled?

A) 40 km B) 20 km
C) 30 km D) 48 km
 
Answer & Explanation Answer: B) 20 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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