AP ICET 26th April 2019 Shift-1

Instructions

For the following questions answer them individually

Question 71

A person came to his office 40 minutes late at 10.55 a.m on Friday. Next day he started early and reached his office 25 minutes before the scheduled time. Then the time of his arrival at office on Saturday is

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Question 72

5 persons A, B, C. D and E are sitting around a circle facing its center. B sits between A and E. C is sitting on immediate right side of the E. Then the person on the immediate left of D is

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Question 73

If $$\triangle$$ denotes multiplication, * denotes subtraction, $$\triangledown$$ denotes addition and $$\oplus$$ denotes
division then $$10 \triangledown 8 \oplus 2 * 5 \triangle 3 = ?$$

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Question 74

If $$x * y = \frac{1}{x} + \frac{1}{y}$$ for all $$x, y \epsilon R - \left\{0\right\}$$ then $$(4 * 5) * (3 * 2) =$$

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Question 75

For $$m, n \epsilon R$$, define $$m * n = m + n - 2$$ and $$m \oplus n = \frac{mn}{2}$$ then $$(3 * 5) \oplus (9 * 7) = ?$$

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Question 76

$$(3^{2x + 4} \times 9^{4x + 2}) \div (9^{x + 4} \times 3^{2x + 2}) = 9^5 \Rightarrow x = ?$$

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Question 77

If $$x = \sqrt{7} - \sqrt{6}$$ then $$x^4 + \frac{1}{x^4} =$$

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Question 78

$$5(x^2 + y^2 + z^2) = 4(xy + yz + zx)$$ then $$x : y : z$$

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Question 79

$$yz : zx : xy = 1 : 2 : 3 \Rightarrow \frac{x}{yz} : \frac{y}{zx} =$$

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Question 80

$$\sqrt{4 + \sqrt{4 + \sqrt{4 + \sqrt{4 + ........ \infty}}}} = $$

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