Quantitative Aptitude - Arithmetic Ability Questions

Q:

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

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

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Q:

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

A) 15 B) 10
C) 20 D) 25
 
Answer & Explanation Answer: B) 10

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Filed Under: Time and Work
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Q:

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

A) 48 B) 72
C) 32 D) 96
 
Answer & Explanation Answer: A) 48

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Filed Under: Problems on Numbers
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Q:

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?

A) 15 B) 12
C) 8 D) 7
 
Answer & Explanation Answer: C) 8

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Filed Under: Problems on Numbers
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Q:

Identify the odd one out from the following:

A) Alloy B) Air
C) Milk D) Water
 
Answer & Explanation Answer: D) Water

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Filed Under: Odd Man Out
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Q:

What is the equation of the line passing through the point (2,-3) and making an angle of -45°with the positive X-axis?

A) x - y = -5 B) x - y = -1
C) x + y = -5 D) x + y = -1
 
Answer & Explanation Answer: D) x + y = -1

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Filed Under: Simplification
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Q:

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ABC = ACB = 75°.

A) 105 B) 147.5
C) 160 D) 170
 
Answer & Explanation Answer: A) 105

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Filed Under: Area
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Q:

The length of one side and the diagonal of a rectangle are 7 cm and 25 cm respectively. Find its area (in cm²)

 

A) 336 B) 208
C) 168 D) 416
 
Answer & Explanation Answer: C) 168

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Filed Under: Area
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