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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If sec (4x - 50°) = cosec(50° - x), Then the value of x is

A) 45° B) 90°
C) 30° D) 60°
 
Answer & Explanation Answer: C) 30°

Explanation:
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Filed Under: Simplification
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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

A) 300 SQ.CM   B) 306 SQ.CM
C) 312 SQ.CM D) 316 SQ.CM
 
Answer & Explanation Answer: D) 316 SQ.CM

Explanation:
Area of quadrilateral ABCD = area of triangle ADC + area of triangle ABC
= 126 + ½ * 9 * 40 = 306
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Q:

In ∆ABC, ∠A = 90°, AD ⊥ BC and AD = BD = 2 cm. The length of CD is

A) 3 cm B) 3.5 cm
C) 3.2 cm D) 2 cm
 
Answer & Explanation Answer: B) 3.5 cm

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

What is the value of 5/9 + 7/8?

A) 103/72 B) 97/42
C) 12/17 D) 15/13
 
Answer & Explanation Answer: A) 103/72

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Filed Under: Problems on Numbers
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Q:

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

A) 5/6, 6/5 B) 5/6, 7/5
C) 7/6, 6/5 D) 7/6, 7/5
 
Answer & Explanation Answer: A) 5/6, 6/5

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Q:

Select the odd number from the given alternatives.

A) 10 B) 20
C) 15 D) 30
 
Answer & Explanation Answer: C) 15

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Filed Under: Odd Man Out
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Q:

Find the odd words/letters/number from the given alternatives.

A) 5,124 B) 7,342
C) 3,26 D) 2,15
 
Answer & Explanation Answer: D) 2,15

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Q:

The value of  (0.3)2/100=?

A) 0.09 B) 0.0009
C) 0.009 D) 0.9
 
Answer & Explanation Answer: B) 0.0009

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