Quantitative Aptitude - Arithmetic Ability Questions

Q:

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.

A) 550 cm2 B) 572 cm2
C) 528 cm2 D) 539 cm2
 
Answer & Explanation Answer: A) 550 cm2

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Q:

What is 15% of 34 ?

A) 5.1 B) 5
C) 5.2 D) 4.9
 
Answer & Explanation Answer: A) 5.1

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Q:

A dealer allows a discount of 15%. A customer pays an amount of Rs. 318.75 for an article. At what price is the article listed?

A) Rs. 366.50 B) Rs. 375.00
C) Rs. 350.00 D) Rs. 431.25
 
Answer & Explanation Answer: B) Rs. 375.00

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Q:

If x3 + y3 + z3 = 3(1 + xyz), P = y + z  x, Q = z + x  y and R = x + y  z, then what is the value of P3 + Q3 + R3  3PQR?

A) 9 B) 8
C) 12 D) 6
 
Answer & Explanation Answer: C) 12

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Q:

If cosec π/4 - ­ sin π/3 = x, then the value of x is

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

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Q:

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?

A) -92.456 B) 75.384
C) 71.472 D) 104.084
 
Answer & Explanation Answer: B) 75.384

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Q:

30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

A) 40.7 percent B) 40 percent
C) 37 percent D) 13 percent
 
Answer & Explanation Answer: C) 37 percent

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Q:

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).

A) (-2, -1) B) (5, -4)
C) (-5, 4) D) (2, 1)
 
Answer & Explanation Answer: A) (-2, -1)

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