Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the following can't be the unit's digit of a perfect square?

A) 4 B) 6
C) 8 D) 9
 
Answer & Explanation Answer: C) 8

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Filed Under: Numbers
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Q:

97 x 97 = ?

A) 9391 B) 9409
C) 9049 D) 9309
 
Answer & Explanation Answer: B) 9409

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Filed Under: Simplification
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Q:

Which of the following option is CORRECT about the figure shown below?

A) OA – AR = OB + BR B) OA + AR = OB – BR
C) OA + AR = OB + BR D) None of these
 
Answer & Explanation Answer: C) OA + AR = OB + BR

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Filed Under: Volume and Surface Area
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Q:

The radius of a sphere and right circular cylinder is 'r'. Their volumes are equal. The ratio of the height and radius of the cylinder is:

A) 3:1 B) 2:1
C) 3:2 D) 4:3
 
Answer & Explanation Answer: D) 4:3

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Q:

If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?

 

A) 6 B) 8
C) 9 D) 10
 
Answer & Explanation Answer: A) 6

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Filed Under: Area
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Q:

The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was

A) 20√3 m. B) 10√3 m.
C) 10(2+√3) m. D) 10(2-­√3) m.
 
Answer & Explanation Answer: C) 10(2+√3) m.

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Filed Under: Height and Distance
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Q:

If Sinx = 4/5, then Secx/Sinx = ?

A) 23/12 B) 25/4
C) 4/5 D) 25/12
 
Answer & Explanation Answer: D) 25/12

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Q:

 In ΔDEF measure of angle E is 90 deg. If tanD = 4/3, and DE = 6cm, then what is the length (in cm) of side EF?

A) 10 B) 5
C) 8 D) 4
 
Answer & Explanation Answer: C) 8

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