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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Area of circle is equal to the area of a rectangle having perimeter of 50 cms. and length more than the breadth by 3 cms. What is the diameter of the circle?

A) 7 cms B) 21 cms
C) 28 cms D) 14 cms
 
Answer & Explanation Answer: D) 14 cms

Explanation:

Let the breadth of rectangle be x cm => Length of rectangle = (x+3) cm Now, perimeter =2(x+x+3) = 50 => 2x + 3 = 25 => x = 11 Thus, breadth = 11 cm and length = 14 cm Area of circle = Area of rectangle =>pi * r* r = 14 * 11 =>r*r = 14 * 11 * 7/22 =>r = 7 cm Diameter = 2 * 7 = 14 cm

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Filed Under: Area

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Q:

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 64π sq cm?

A) 128 sq cm B) 196 sq cm
C) 108 sq cm D) 256 sq cm
 
Answer & Explanation Answer: D) 256 sq cm

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If 21% of an electricity bill is discounted, Rs 1817 is still to be paid. How much was the original bill amount?

A) Rs 1502 B) Rs 2336
C) Rs 2300 D) Rs 1538
 
Answer & Explanation Answer: C) Rs 2300

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

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

A) Blend B) Mingle
C) Jumble D) Clash
 
Answer & Explanation Answer: D) Clash

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If U = 450 and V = 585, then V is how much percentage more than U?

A) 130 B) 23.07
C) 25 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If cos ­-11π/6 = x, then the value of x is

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In 2 years at simple interest the principal increases by 8%. What will be the compound interest earned (in Rs) on Rs 10 lakhs in 2 years at the same rate?

A) 86000 B) 81600
C) 90000 D) 94000
 
Answer & Explanation Answer: B) 81600

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Each member of a club contributes as much rupees and as much paise as the number of members of the club. If the total contribution is Rs. 2525, then the number of members of the club is

A) 60 B) 45
C) 55 D) 50
 
Answer & Explanation Answer: D) 50

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Filed Under: Average
Exam Prep: Bank Exams

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