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Q:

If $x^{2} + y^{2} + 6 x + 5 = 4 (x - y)$ then x - y is

A) 1	B) -1
C) 0	D) 4

Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If a + b = 1, then $a^{4} + b^{4} - a^{3} - b^{3} - 2 a^{2} b^{2} + ab$ is equal to

A) 1	B) 2
C) 4	D) 0

Answer & Explanation Answer: D) 0

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Q:

A complete factorisation of $x^{4} + 64$ is

A) (x2 + 8)2	B) (x2 + 8)(x2 - 8)
C) (x2 - 4x + 8)(x2 -4x - 8)	D) (x2 + 4x + 8)(x2 - 4x + 8)

Answer & Explanation Answer: D) (x2 + 4x + 8)(x2 - 4x + 8)

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Q:

If $x + \frac{1}{x} = c + \frac{1}{c}$ , then the value of x =

A) C, 1/C	B) C, C2
C) C, 2C	D) 0,1

Answer & Explanation Answer: A) C, 1/C

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Q:

If P = 99, then the value of $P (P^{2} + 3 P + 3)$ is

A) 9999	B) 999999
C) 99999	D) 9999999

Answer & Explanation Answer: B) 999999

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Q:

A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is

A) 75.5%	B) 76%
C) 76.5%	D) 77%

Answer & Explanation Answer: A) 75.5%

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

A Village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the orignal number before the flood?

A) 1000	B) 10000
C) 1,00,000	D) 8360

Answer & Explanation Answer: B) 10000

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Q:

The average (arithmetic mean) amount of savings of ten students is Rs. 600. Three of the students have no savings at all and each of the others have at least Rs. 250 including Nihar, who has exactly Rs. 1300. The largest amount, in Rs., that any one student could have is

A) 3250	B) 3450
C) 3650	D) 3850

Answer & Explanation Answer: B) 3450

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