Quantitative Aptitude - Arithmetic Ability Questions

Q:

Reflection of the point (3,-6) in the y-axis is

A) (3,6) B) (3,-6)
C) (-3,-6) D) (-3,6)
 
Answer & Explanation Answer: C) (-3,-6)

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Q:

What is the value of cos 4π/3?

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

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Q:

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

A) cot(A - B) B) tan(A + B)
C) cot(A + B) D) tan(A - B)
 
Answer & Explanation Answer: C) cot(A + B)

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Q:

If tanθ = 724 then find the value of p such that tanθ - secθsinθ = -p28

A) 25 B) 75
C) 50 D) 100
 
Answer & Explanation Answer: B) 75

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Q:

When a number is increased by 34, it becomes 117% of itself. What is the number?

A) 408 B) 200
C) 510 D) 306
 
Answer & Explanation Answer: B) 200

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Q:

If PA and PB are tangents to the circle with centre O such that APB=50°, then the OAB=

A) 25° B) 30°
C) 40° D) 50°
 
Answer & Explanation Answer: A) 25°

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Q:

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

A) 11 B) 8
C) 10 D) 7
 
Answer & Explanation Answer: B) 8

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Q:

How many natural numbers between 15 and 85 are divisible by 7?

A) 9 B) 10
C) 8 D) 7
 
Answer & Explanation Answer: B) 10

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