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Q:

A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called ___________.

A) Osmotic	B) Eurythermal
C) Stenothermal	D) Hydrothermal

Answer & Explanation Answer: C) Stenothermal

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Filed Under: Biology
Exam Prep: Bank Exams

Q:

If x + 1/x = 6, then value of $x^{2} + 1 / x^{2}$ is

A) 23	B) 16
C) 34	D) 32

Answer & Explanation Answer: C) 34

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Filed Under: Simplification
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Q:

If a(x + y) = b(x - y) = 2ab, then the value of $2 (x^{2} + y^{2})$

A) 2(a2 - b2)	B) 2(a2 + b2)
C) 4(a2 - b2)	D) 4(a2 + b2)

Answer & Explanation Answer: D) 4(a2 + b2)

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Q:

If x + 1/x = √13, then $\frac{3 x}{(x^{2} - 1)}$ equal to

A) 3√13	B) √13/3
C) 1	D) 3

Answer & Explanation Answer: C) 1

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Q:

If x = 1/(√2+1) then the value of $x^{2} + 2 x - 1$ is

A) 2√2	B) 4
C) 0	D) 2

Answer & Explanation Answer: C) 0

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Q:

In this question, the sets of numbers given in the alternatives are represented. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'K' can be represented by 41,34, etc., and 'Z' can be represented by 75, 86, etc. Similarly you have to identify the set for the word 'PAWN'.

A) 44,10,87,55	B) 99,23,77,59
C) 03,40,86,65	D) 31,31,59,66

Answer & Explanation Answer: B) 99,23,77,59

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Filed Under: Figure Matrix
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Q:

XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of $∆ XYZ$ is

A) 6.5 cm	B) 3.25 cm
C) 3 cm	D) 2.5 cm

Answer & Explanation Answer: B) 3.25 cm

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Q:

If $2 x - \frac{1}{2 x} = 5,$ then what is the value $x^{2} + \frac{1}{16 x^{2}} - 2$

A) 19/4	B) 23/4
C) 27/4	D) 31/4

Answer & Explanation Answer: A) 19/4

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Filed Under: Simplification
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