Quantitative Aptitude - Arithmetic Ability Questions

Q:

If A : B = 3 : 4 and B : C = 6 : 5 then A : (A + C) is

A) 9 : 11 B) 9 : 10
C) 9 : 19 D) 6 : 7
 
Answer & Explanation Answer: C) 9 : 19

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the reflection of the point (5, -2) in the line x = -1?

A) (-7 , -2) B) (5 , 0)
C) (7 , -2) D) (5 , 2)
 
Answer & Explanation Answer: A) (-7 , -2)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

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

A) Elephant B) Giraffe
C) Cow D) Hen
 
Answer & Explanation Answer: D) Hen

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If the difference between the roots of the equation Ax2  Bx + C = 0 is 4, then which of the following is TRUE?

A) B2 – 16A2 = 4AC + 4B2 B) B2 – 10A2 = 4AC + 6A2
C) B2 – 8A2 = 4AC + 10A2 D) B2 – 16A2 = 4AC + 8B2
 
Answer & Explanation Answer: B) B2 – 10A2 = 4AC + 6A2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If cosec 45° - sin 30° = x, then x is

A) 5/√3 B) (√6-1)/√2
C) √3+2 D) (2√2-1)/2
 
Answer & Explanation Answer: D) (2√2-1)/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 6 cm, then what is the area (in sq.cm) of an equilateral triangle whose side is equal to the bigger diagonal of the rhombus?

A) 18√3 B) 27√3
C) 32√3 D) 36√3
 
Answer & Explanation Answer: B) 27√3

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

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Q:

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°
 
Answer & Explanation Answer: B) 120°

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

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Q:

What is the value of [sin (y – z) + sin (y + z) + 2 sin y]/[sin (x – z) + sin (x + z) + 2 sin x]?

A) cos x sin y B) (sin y)/(sin x)
C) sin z D) sin x tan y
 
Answer & Explanation Answer: B) (sin y)/(sin x)

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Filed Under: Simplification
Exam Prep: Bank Exams

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