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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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Find the length of one side of a rhombus whose area is 24 sq.cm and the sum of the lengths of its diagonals is 14 cm.

A) 3 cm	B) 6 cm
C) 4 cm	D) 5 cm

A) 3 cm

B) 6 cm

C) 4 cm

D) 5 cm

Answer & Explanation Answer: D) 5 cm

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Filed Under: Area
Exam Prep: Bank Exams

1 1560

What is the value of (cosec45 + √3/2) ?

A) 5/6	B) (4+√3)/2√3
C) (2√2+√3)/2	D) 3√3/2

A) 5/6

B) (4+√3)/2√3

C) (2√2+√3)/2

D) 3√3/2

Answer & Explanation Answer: C) (2√2+√3)/2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1560

The length of the common chord of two intersecting circles is 12 cm. If the diameters of the circles are 15 cm and 13 cm, then what is the distance (in cm) between their centers?

A) 7/2	B) 7
C) 7√2	D) 14

A) 7/2

B) 7

C) 7√2

D) 14

Answer & Explanation Answer: B) 7

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 1560

In a triangle ABC, OB and OC are the bisectors of angles ∠ B and ∠C respectively. ∠BAC = 60°. Then the angle ∠BOC will be

A) 150°	B) 120°
C) 100°	D) 90°

A) 150°

B) 120°

C) 100°

D) 90°

Answer & Explanation Answer: B) 120°

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Filed Under: Volume and Surface Area
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0 1559

Expand and simplify ${(x + 5)}^{2} + {(x - 3)}^{2}$

A) 2(x2 + 2x - 17)	B) 2(x2 - 2x + 17)
C) 2(x2 - 2x - 17)	D) 2(x2 + 2x + 17)

A) 2(x2 + 2x - 17)

B) 2(x2 - 2x + 17)

C) 2(x2 - 2x - 17)

D) 2(x2 + 2x + 17)

Answer & Explanation Answer: D) 2(x2 + 2x + 17)

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Filed Under: Simplification
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0 1559

Find the value of $27 a^{3} + \frac{1}{a^{3}}$ , if $9 a^{2} + \frac{1}{a^{2}} = 43$

A) 240	B) 280
C) 320	D) 360

A) 240

B) 280

C) 320

D) 360

Answer & Explanation Answer: B) 280

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1 1559

The top of a broken tree touches the ground at a distance of 15 m from its base. If the tree is broken at a height of 8 m from the ground, then the actual height of the tree is