Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

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

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Filed Under: Simplification
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Q:

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

A) Square B) Rectangle
C) Rhombus D) Polygon
 
Answer & Explanation Answer: D) Polygon

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Filed Under: Odd Man Out
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Q:

PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and PC = 11 cm, then what is the value (in cm) of PD?

 

A) 18 B) 9
C) 20 D) 12
 
Answer & Explanation Answer: C) 20

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Q:

If cotA/(1 + cot2A) = x, then the value of x is

A) sinA B) cosecA
C) secA D) cosA
 
Answer & Explanation Answer: D) cosA

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Q:

In a test, Charan secured 54 marks that was also equivalent to obtaining 72% marks. How many marks was the test out of?

 

 

A) 75 B) 85
C) 80 D) 65
 
Answer & Explanation Answer: A) 75

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Filed Under: Percentage
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Q:

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

A) 3 hours B) 6 hours
C) 2 hours D) 1 hour
 
Answer & Explanation Answer: A) 3 hours

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Filed Under: Clocks
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Q:

From a point P on a level ground , the angle of elevation to the top of the tower is 30° . If the tower is 100m high , the distance of point P from the foot of the tower is ( Take √3 = 1.73)

A) 149 m B) 156 m
C) 173 m D) 188 m
 
Answer & Explanation Answer: C) 173 m

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Filed Under: Height and Distance
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Q:

If sin ­- 5π/3 = x, then the value of x is

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

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