Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the following equations has real and distinct roots?

A) 3x2 - 6x + 2 = 0 B) 3x2 - 6x + 3 = 0
C) x2 - 8x + 16 = 0 D) 4x2 - 8x + 4 = 0
 
Answer & Explanation Answer: A) 3x2 - 6x + 2 = 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the equation of a line of slope 1/3 and y-intercept 5?

A) x - 3y = -15 B) x - 3y = 15
C) x + 3y = -15 D) x + 3y = 15
 
Answer & Explanation Answer: A) x - 3y = -15

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

A) 3√5 B) 3√5 – 7
C) 3√5 + 7 D) 8
 
Answer & Explanation Answer: B) 3√5 – 7

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Q:

In ΔABC, AD is the median and AD = (1/2)BC. If ∠ACD = 40°, then what is the value (in degrees) of ∠DAB?

A) 30 B) 40
C) 50 D) 60
 
Answer & Explanation Answer: C) 50

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Filed Under: Volume and Surface Area
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Q:

The distance between the points (4, 8) and (k,-4) is 13. What is the value of k?

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

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Filed Under: Time and Distance
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Q:

A car can cover 350 km in 4 hrs. If its speed is decreased by 12.5 kmph. How much time does the car take to cover a distance of 450 kms.

A) 6 hrs B) 5 hrs
C) 4 hrs D) 7 hrs
 
Answer & Explanation Answer: A) 6 hrs

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Filed Under: Time and Distance
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Q:

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

A) 41 B) 21
C) 42 D) 84
 
Answer & Explanation Answer: C) 42

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Filed Under: Problems on Numbers
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Q:

A circle and a square have same area. The ratio of the side of the square to the radius of the circle will be:

A) π:1 B) 1:π
C) π2:1 D) 1:π
 
Answer & Explanation Answer: A) π:1

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