Quantitative Aptitude - Arithmetic Ability Questions

Q:

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

A) CEHJ B) HJMO
C)  RTWY D) PQTV
 
Answer & Explanation Answer: D) PQTV

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Filed Under: Odd Man Out
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Q:

If the standard deviation of a population is 4.5, what would be the population variance?

A) 20.25 B) 20
C) 9 D) 18
 
Answer & Explanation Answer: A) 20.25

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Filed Under: Probability
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Q:

The two roots of an quadratic equation are given as x = 1/2 and x = -1/3. The equation can be written as

A) (2x - 1)(3x - 1) = 0 B) (2x + 1)(3x - 1) = 0
C) (2x - 1)(3x + 1) = 0 D) (2x + 1)(3x + 1) = 0
 
Answer & Explanation Answer: C) (2x - 1)(3x + 1) = 0

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Filed Under: Simplification
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Q:

The compound interest on Rs. 4000 for 4 years at 10% per annum will be

A) Rs. 1856.40 B) Rs. 1600
C) Rs. 1856 D) Rs. 1756.60
 
Answer & Explanation Answer: A) Rs. 1856.40

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Filed Under: Compound Interest
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Q:

15 years ago, Shyam was twice as old as Prbhat. Five years from now Prabhat's age will be 5/8 of Shyam's age. What is Shyam's current age?

A) 72 yrs B) 75 yrs
C) 80 yrs D) 64 yrs
 
Answer & Explanation Answer: B) 75 yrs

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Filed Under: Problems on Ages
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Q:

If the line DE is drawn parallel to the base BC of a triangle ABC by intersecting the other two sides, then which of the following is the CORRECT equation for this case.

A) AB/DB=AC/EC B) AD/AB=DB/EC
C) AD/DB=EC/AE D) AD/DB=AE/EC
 
Answer & Explanation Answer: D) AD/DB=AE/EC

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Q:

The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

A) 0.1 B) 0.08
C) 0.06 D) 0.04
 
Answer & Explanation Answer: B) 0.08

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Q:

In ΔPQR measure of angle Q is 90 deg. If tanP = 24/7, and PQ = 14cm, then what is the length (in cm) of side QR?

 

A) 50 B) 20
C) 26 D) 48
 
Answer & Explanation Answer: D) 48

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

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