Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the slope of the line perpendicular to the line passing through the points (-2, 3) and (2, 0)?

A) 4/3 B) 3/4
C) -3/4 D) -4/3
 
Answer & Explanation Answer: A) 4/3

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Q:

If 2x -3(x + 2) < 5 - 2x < -x + 2, then find the value of x.

A) 2 B) 0
C) 10 D) 12
 
Answer & Explanation Answer: C) 10

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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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Q:

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

A) 525 B) 745
C) 636 D) 416
 
Answer & Explanation Answer: B) 745

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Filed Under: Odd Man Out
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Q:

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

A) 48.2 B) 48
C) 48.1 D) 49
 
Answer & Explanation Answer: A) 48.2

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Q:

If a+1a=1, then the value of a2-a+1a2+a+1 is a0

A) 1 B) -1
C) 0 D) 2
 
Answer & Explanation Answer: C) 0

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Q:

The point where the 3 medians of a triangle meet is called

A) centroid B) Incentre
C) Circumcentre D) orthocentre
 
Answer & Explanation Answer: A) centroid

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Q:

The ratio of present ages of Rangitha and Shaheen is 6:5. After 12 years the ratio of their ages will be 7:6. What is Rangitha's present age?

A) 60 B) 55
C) 72 D) 28
 
Answer & Explanation Answer: C) 72

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Filed Under: Problems on Ages
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