Quantitative Aptitude - Arithmetic Ability Questions

Q:

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

A) 11 – 121 B) 13 – 169
C) 19 – 391 D) 21 – 441
 
Answer & Explanation Answer: C) 19 – 391

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Filed Under: Odd Man Out
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Q:

What is the value of (2 - sin30°) ?

A) 3/2 B) 3/√2
C) 2-√3 D) (2√3-√6)/2√2
 
Answer & Explanation Answer: A) 3/2

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Filed Under: Simplification
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Q:

What is the value of ( 1/3 + cosec30)?

A) (√6+1)/√3 B) 7/3
C) (4+√3)/2 D) (√3+1)/2
 
Answer & Explanation Answer: B) 7/3

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Q:

When a number is increased by 42, it becomes 121% of itself. What is the number?

A) 504 B) 200
C) 630 D) 378
 
Answer & Explanation Answer: B) 200

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Filed Under: Percentage
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Q:

A solid right circular cone of radius 4 cm and height 7 cm is put inside a cylindrical vessel of radius 5 cm and height 8 cm. How much water in cubic cm will be required to fill the cylindrical vessel completely?

A) 1022.48 cubic cms B) 1533.72 cubic cms
C) 511.24 cubic cms D) 255.62 cubic cms
 
Answer & Explanation Answer: C) 511.24 cubic cms

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Filed Under: Area
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Q:

From a point P, the angle of elevation of a tower is such that its tangent is 3/4. On walking 560 metres towards the tower the tangent of the angle of elevation of the tower becomes 4/3. What is the height (in metres) of the tower?

A) 720 B) 960
C) 840 D) 1030
 
Answer & Explanation Answer: B) 960

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Filed Under: Height and Distance
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Q:

If the shopkeeper sells an item at Rs 1600 which is marked as Rs 2000, then what is the discount he is offering?

A) 25 percent B) 20 percent
C) 30 percent D) 10 percent
 
Answer & Explanation Answer: B) 20 percent

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Filed Under: Percentage
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Q:

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

A) MNO B) LSS
C) PQR D) TUV
 
Answer & Explanation Answer: B) LSS

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Filed Under: Odd Man Out
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