Quantitative Aptitude - Arithmetic Ability Questions

Q:

Two numbers are in the ratio 5:6 when 6 is added to each, the ratio becomes 7:8 then the numbers are

A) 10 & 12 B) 20 & 24
C) 15 & 18 D) 5 & 6
 
Answer & Explanation Answer: C) 15 & 18

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

A) 98 B) 94
C) 90 D) 86
 
Answer & Explanation Answer: C) 90

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

A) 5/6, 6/5 B) 5/6, 7/5
C) 7/6, 6/5 D) 7/6, 7/5
 
Answer & Explanation Answer: A) 5/6, 6/5

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Which of the following is correct?

A) (6x + y)(x - 6y) = 6x^2+ 35xy - 6y^2 B) (6x + y)(x - 6y) = 6x^2- 35xy - 6y^2
C) (6x + y)(x - 6y) = 6x^2- 37xy - 6y^2 D) (6x + y)(x - 6y) = 6x^2+ 37xy - 6y^2
 
Answer & Explanation Answer: B) (6x + y)(x - 6y) = 6x^2- 35xy - 6y^2

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Q:

4*(-­0.1(5.5 + 8.5)) of 0.5 = ?

A) -2.8 B) -1.68
C) -1.28 D) -0.84
 
Answer & Explanation Answer: A) -2.8

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Q:

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.

A) 10 B) 12
C) 13 D) 15
 
Answer & Explanation Answer: B) 12

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

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Q:

If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?

A) The son has more energy B) Both have equal energy
C) The son has more power D) Both have equal power
 
Answer & Explanation Answer: C) The son has more power

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If tan ­-5π/3 = x, then the value of x is

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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