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If a + b = 17 and a - b = 9 then the value of $(4 a^{2} + 4 b^{2})$ is,

A) 710	B) 720
C) 730	D) 740

A) 710

B) 720

C) 730

D) 740

Answer & Explanation Answer: D) 740

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make

A) 20 mats	B) 10 mats
C) 15 mats	D) 5 mats

A) 20 mats

B) 10 mats

C) 15 mats

D) 5 mats

Answer & Explanation Answer: A) 20 mats

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Filed Under: Time and Work
Exam Prep: Bank Exams

The value of $\cos^{2} 20 ° + \cos^{2} 70 °$ is

A) √2	B) 2
C) 1	D) 1/√2

A) √2

B) 2

C) 1

D) 1/√2

Answer & Explanation Answer: C) 1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is

A) 2	B) 3
C) 4	D) 5

A) 2

B) 3

C) 4

D) 5

Answer & Explanation Answer: D) 5

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

A dealer marks his goods 20% above their cost prices. Then,he allows such a discount on the marked price so that he makes a profit of 8%. The rate of discount is:

A) 12%	B) 10%
C) 6%	D) 4%

A) 12%

B) 10%

C) 6%

D) 4%

Answer & Explanation Answer: B) 10%

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Filed Under: Percentage
Exam Prep: Bank Exams

3 brothers divided Rs. 1620 among them in such a way that the share of second is equal to 5/13 of share of other two, combined. What is the share of the second one?