Aptitude and Reasoning Questions

Q:

If a2+1a2 = 38, then find the value of a-1a?

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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Q:

A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?

A) 3.27 B) 3.5
C) 4 D) 5
 
Answer & Explanation Answer: A) 3.27

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Q:

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

A) -1 B) -1/√3
C) √3 D) 1
 
Answer & Explanation Answer: B) -1/√3

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Q:

A tetrahedron has 4 vertices. How many edges does it have?

A) 8 B) 12
C) 6 D) 10
 
Answer & Explanation Answer: C) 6

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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:

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

A) -17 B) 51
C) -51 D) 17
 
Answer & Explanation Answer: C) -51

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Q:

What is the equation of the line whose y­-intercept is ­3/4 and making an angle of 45° with the positive x-­axis?

A) 4x -­ 4y = 3 B) 4x - 4y = -­3
C) 3x -­ 3y = 4 D) 3x ­- 3y = -­4
 
Answer & Explanation Answer: A) 4x -­ 4y = 3

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Q:

If a mirror is placed on the line MN, then which figure is the right image of the given figure?

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

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