AP ICET 2012

Instructions

For the following questions answer them individually

Question 81

If $$a = \sqrt{2} + \sqrt{3}$$, then $$\frac{a + 1}{a - 1} + \frac{1 - a}{1 + a} =$$

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Question 82

If $$x = 3 + \sqrt{5}$$, then the value of $$x^4 + 12x^3 + 36x^2$$ is

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Question 83

HCF of two numbers is 15 and their sum is 150.If oe the numbers are greater than 15, then those numbers are

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Question 84

If $$n = 847 \times K$$ is a perfect square then theleast possible positive value of $$K$$ is:

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Question 85

The number of distinct prime factors of 8! is:

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Question 86

If $$x > x^2 > x^3$$, then a possible value of x among the following is

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Question 87

$$\sqrt{10 +\sqrt{25 +\sqrt{108 +\sqrt{154 +\sqrt{225}}}}} =$$

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Question 88

If the fractions $$\frac{1}{2}, \frac{2}{9}$$ and $$\frac{7}{13}$$ are expressed with a common denomination, then the least numerator is

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Question 89

The maximum of $$33^{3^3}, 3^{3^{3^3}}, 333^3$$ and $$3^{333}$$

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Question 90

The difference between compound interest and simple interest on a sum for 2 years at the same 6% interest per annum is โ‚น 36. Then that sum (in rupees) is

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