Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of Tan 45° + 4/√3 Sec 60°?

A) (√3 + 8)/√3 B) (√3 + 8)/3
C) (√3 - 8)/√3 D) (√3 - 8)/3
 
Answer & Explanation Answer: A) (√3 + 8)/√3

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Q:

The ratio of spirit and water in the two vessels is 5 : 1 and 3 : 7 respectively. In what ratio the liquid of both the vessels should be mixed such that a new mixture containing half spirit and half water is obtained?

 

A)  3 : 5 B)  5 : 7 
C) 3) 1 : 1 D)
 
Answer & Explanation Answer: A)  3 : 5

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Filed Under: Alligation or Mixture
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Q:

A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl? (Take:  = 22/7)

A) 710.29 B) 757.43
C) 355.14 D) 908.91
 
Answer & Explanation Answer: B) 757.43

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Filed Under: Volume and Surface Area
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Q:

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

A) π6 B) π3
C) 2π3 D) π2
 
Answer & Explanation Answer: D) π2

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Q:

A canteen requires 56 kgs of rice for seven days . The quantity of rice required for the months of April and May together is

A) 468 kg B) 488 kg
C) 498 kg D) 508 kg
 
Answer & Explanation Answer: B) 488 kg

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Q:

Simplify : 132 - 142 + 172 - 250 = ?

A) 196 B) 169
C) 121 D) 144
 
Answer & Explanation Answer: D) 144

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Q:

ABC is right angled at B. If mA = 30°, then find the value of (sinC + 1/3).

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

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Q:

Square of (7 ­- 4x) is

A) 16x2 - 28x + 49 B) 49 -­ 28x ­- 16x2
C) 49 - ­ 56x -­ 16x2 D) 16x2 - 56x + 49
 
Answer & Explanation Answer: D) 16x2 - 56x + 49

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