Quantitative Aptitude - Arithmetic Ability Questions

Q:

The triangle ABC and DEF are similar to each other. The measure of the angle A and E is 67 and 83 degree respectively. What is the value of angle C?

A) 20°   B) 30°
C) 40° D) 50°
 
Answer & Explanation Answer: B) 30°

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Q:

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

 

A) 9:4   B) 3:2  
C) 81:16   D) 27:8
 
Answer & Explanation Answer: C) 81:16  

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Q:

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.

 

A) 40 deg B) 80 deg
C) 100 deg D) 120 deg
 
Answer & Explanation Answer: B) 80 deg

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Q:

What is the value of 13 x 4932?

A) 4369 B) 4459
C) 4549 D) 4639
 
Answer & Explanation Answer: B) 4459

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Q:

Simplify 81x2 - 49y29x + 7y

A) 9x++7y B) 9x-7y
C) 9x D) 7y
 
Answer & Explanation Answer: B) 9x-7y

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Q:

In a rhombus _____.

A) opposite angles are supplementary B) diagonals form two congruent triangles
C) diagonals are congruent D) diagonals do not bisect opposite angles
 
Answer & Explanation Answer: B) diagonals form two congruent triangles

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Q:

Find the sum of interior angles of a decagon?

A) 1620° B) 2520°
C) 1800° D) 1440°
 
Answer & Explanation Answer: D) 1440°

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Q:

If the side AB of an equilateral triangle ABC is equal to 12 cm. Calculate the length( in cm) of the AO, if O is the centroid of the triangle.

A) 2√3 B) 3√3
C) 4√3 D) 9√3
 
Answer & Explanation Answer: C) 4√3

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