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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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The percentage change of a number when it is first decreased by 10% and then increased by 10% is

A) 0.1 % increase	B) 1 % decrease
C) 0.1 % decrease	D) No changes

A) 0.1 % increase

B) 1 % decrease

C) 0.1 % decrease

D) No changes

Answer & Explanation Answer: B) 1 % decrease

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1405

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

A) 385 marks	B) 410 marks
C) 435 marks	D) 360 marks

A) 385 marks

B) 410 marks

C) 435 marks

D) 360 marks

Answer & Explanation Answer: D) 360 marks

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

2 1405

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

A) Rs. 32.50	B) Rs. 42.50
C) Rs. 34.00	D) Rs. 40.00

A) Rs. 32.50

B) Rs. 42.50

C) Rs. 34.00

D) Rs. 40.00

Answer & Explanation Answer: C) Rs. 34.00

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

3 1404

A triangle has a perimeter of 200. If two of its sides are equal and the third side is 20 more than the equal sides, what is the length of the third side?

A) 60	B) 50
C) 80	D) 70

A) 60

B) 50

C) 80

D) 70

Answer & Explanation Answer: C) 80

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Filed Under: Area
Exam Prep: Bank Exams

0 1404

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

A) 210	B) 77
C) 132	D) 98

A) 210

B) 77

C) 132

D) 98

Answer & Explanation Answer: B) 77

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

4 1404

If 3.352 - (9.759 - x ) - 19.64 = 7.052, then what is the value of x?

A) -6.181	B) 13.581
C) 33.099	D) 39.803

A) -6.181

B) 13.581

C) 33.099

D) 39.803

Answer & Explanation Answer: C) 33.099

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1404

The value of $Cot 17 ° (Cot 73 ° {Cos}^{2} 22 ° + \frac{1}{Cot 17 ° {Sec}^{2} 68 °})$ is

A) 0	B) 1
C) 2	D) √3

A) 0

B) 1

C) 2

D) √3

Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1404

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?