Quantitative Aptitude - Arithmetic Ability Questions

Q:

In ΔPQR, ∠R = 54°, the perpendicular bisector of PQ at S meets QR at T. If ∠TPR = 46°, then what is the value (in degrees) of ∠PQR?

A) 25 B) 40
C) 50 D) 60
 
Answer & Explanation Answer: B) 40

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Q:

The centroid of an equilateral triangle ABC is G. If AB is 6 cms, the length of AG is

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

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Q:

Δ DEF is right angled at E. If m∠D = 45%., then Cosec F =

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

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) JKL B) EGI
C) OQS D) KMO
 
Answer & Explanation Answer: A) JKL

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Q:

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

A) 525 B) 745
C) 636 D) 416
 
Answer & Explanation Answer: B) 745

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Q:

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

A) 1.21 B) 1.331
C) 2.21 D) 1.2
 
Answer & Explanation Answer: D) 1.2

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Q:

If a -­ b = 3 and ab =28, then a3 - b3 is

A) 279 B) 387
C) 513 D) 91
 
Answer & Explanation Answer: A) 279

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Q:

What is the slope of the line perpendicular to the line passing through the points (-5 , 1) and (-2 , 0)?

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

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