Quantitative Aptitude - Arithmetic Ability Questions

Q:

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?

 

A) 125 B) 132
C) 138   D) 144
 
Answer & Explanation Answer: B) 132

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Q:

The distance between two pillars is 120 metres. The height of one pillar is thrice the other. The angles of elevation of their tops from the midpoint of the line connecting their feet are complementary to each other. The height (in metres) of the taller pillar is (Use : √3 = 1.732)

A) 34.64 B) 51.96
C) 69.28 D) 103.92
 
Answer & Explanation Answer: D) 103.92

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Q:

What is the value of Cot 45° + Cosec 60°?

A) (√6 + 1)/√3 B) (1 + √3)/2
C) 5/√3 D) (√3 + 2)/√3
 
Answer & Explanation Answer: D) (√3 + 2)/√3

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Q:

Simplify (b2x 3a2z4 ) × (b2x 4a4z3 )/(a3b2z4 )

A) b2x7a3z3 B) b3x7a3 z3
C) b2x5a3 z3 D) b2x7a3z2
 
Answer & Explanation Answer: A) b2x7a3z3

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Q:

The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in

A) 6 days B) 6 10/33 days
C) 7 10/33  days D) 8 days
 
Answer & Explanation Answer: B) 6 10/33 days

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Q:

If 2cos2A - 1 = x, then the value of x is

A) cosec4A - sin4A B) cos4A - sin4A
C) cos4A - tan4A D) cosec4A - tan4A
 
Answer & Explanation Answer: B) cos4A - sin4A

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Anger B) Enquiry
C) Investigation D) Probe
 
Answer & Explanation Answer: A) Anger

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Night blindness B) Scurvy
C) Beriberi D) AIDS
 
Answer & Explanation Answer: D) AIDS

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