Quantitative Aptitude - Arithmetic Ability Questions

Q:

If A + B = 90 deg and Cos B = 1/3, then the value of Sin A is

A) 1/2 B) 1/4
C) 1/3 D) 2/3
 
Answer & Explanation Answer: C) 1/3

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Q:

If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?

 

A) 6 B) 8
C) 9 D) 10
 
Answer & Explanation Answer: A) 6

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Q:

The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?

A) 25 B) 29
C) 21 D) 33
 
Answer & Explanation Answer: C) 21

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Q:

Which of the following is the correct option for the congruency of the two triangles ABC and PQR as per the SAS congruency criterion?

 

A) AB = PQ B) BC = QR
C) ∡B = ∡Q D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

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Q:

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

A) 8 B) 2
C) 4 D) 3
 
Answer & Explanation Answer: C) 4

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Q:

What is the measure of an interior angle of a regular dodecagon?

A) 120° B) 140°
C) 150° D) 144°
 
Answer & Explanation Answer: C) 150°

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Filed Under: Volume and Surface Area
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Q:

At least two pairs of consecutive angles are congruent in a _____.

A) Parallelogram B) Isosceles trapezium
C) Rhombus D) Kite
 
Answer & Explanation Answer: B) Isosceles trapezium

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Q:

15 years ago, Shyam was twice as old as Prbhat. Five years from now Prabhat's age will be 5/8 of Shyam's age. What is Shyam's current age?

A) 72 yrs B) 75 yrs
C) 80 yrs D) 64 yrs
 
Answer & Explanation Answer: B) 75 yrs

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Filed Under: Problems on Ages
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