Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the equation of the line which has 3/2 and -­4/7 as x and y intercept respectively?

A) 8x ­- 21y = ­-12 B) 8x + 21y = 14
C) 8x -­ 21y = 12 D) 8x + 21y = ­-14
 
Answer & Explanation Answer: C) 8x -­ 21y = 12

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Q:

What is the value of Cot 60°- Cos 45°?

A) (9 - 2√3)/9 B) (2√6 - 1)/√3
C) (1 - 2√3)/2 D) (√2 - √3)/√6
 
Answer & Explanation Answer: D) (√2 - √3)/√6

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Q:

Which instrument is used for viewing the sun?

A) Stroboscope B) Telescope
C) Helioscope D) Sun meter
 
Answer & Explanation Answer: C) Helioscope

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Q:

A number was divided in the ratio 3:2. When 8 was was added to each of the numbers the ratio changed to 7:5. The greater of the two numbers was

A) 48 B) 42
C) 27 D) 69
 
Answer & Explanation Answer: A) 48

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Q:

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

A) 5 B) 5√2
C) 10√2 D) 5/√2
 
Answer & Explanation Answer: B) 5√2

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Q:

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

A) 2 B) -2
C) 3 D) 0
 
Answer & Explanation Answer: D) 0

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Q:

What is the value of a2 + b2a3 - b3, when a + b = 8 and a - b = 2?

A) 0.313 B) 0.347
C) 0.368 D) 0.381
 
Answer & Explanation Answer: B) 0.347

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Q:

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

A) 4 B) 8
C) 12 D) 14
 
Answer & Explanation Answer: D) 14

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