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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Which of the following is not a quadratic equation?

A) 2x(x + 4) -11 = x(x - 3) + 6 B) 4x(x + 4) -11 = 5x(x - 3) + 5
C) x(x + 2) -15 = x(x - 5) + 11 D) 2x2 + 8x - 11 = 0
 
Answer & Explanation Answer: C) x(x + 2) -15 = x(x - 5) + 11

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Filed Under: Simplification
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Q:

The simple and compound interest that can be earned in two years at the same rate is Rs 1,000 and Rs 1,040 respectively. What is the rate (percent per annum) of interest?

A) 9 B) 10
C) 8 D) 11
 
Answer & Explanation Answer: C) 8

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Filed Under: Simple Interest
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Q:

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 4:9 and if PQ = 27 cm, then what is the length of XY (in cm)?

A) 9 B) 12
C) 16 D) 15
 
Answer & Explanation Answer: B) 12

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Q:

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

A) 85 B) 75
C) 70 D) 80
 
Answer & Explanation Answer: D) 80

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Filed Under: Problems on Numbers
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Q:

What is the value of 9991 x 10009?

A) 99999099 B) 99999819
C) 99999919 D) 99999019
 
Answer & Explanation Answer: C) 99999919

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Filed Under: Problems on Numbers
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Q:

Find the odd word/letters/numbers pair from the given alternatives.

A) 41 ­- 72 B) 12 -­ 30
C) 51­ - 42 D) 11 ­- 20
 
Answer & Explanation Answer: A) 41 ­- 72

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Filed Under: Odd Man Out
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Q:

Cost of 4 pens, 6 note books and 9 files is Rs 305. Cost of 3 pens, 4 notebooks and 2 files is Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

A) 415 B) 465
C) 440 D) Cannot be determined
 
Answer & Explanation Answer: B) 465

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Q:

What is the value of (2 - sin30°) ?

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

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