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For the following questions answer them individually
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
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
If $$\triangle$$ denotes multiplication, * denotes subtraction, $$\triangledown$$ denotes addition and $$\oplus$$ denotes
division then $$10 \triangledown 8 \oplus 2 * 5 \triangle 3 = ?$$
If $$x * y = \frac{1}{x} + \frac{1}{y}$$ for all $$x, y \epsilon R - \left\{0\right\}$$ then $$(4 * 5) * (3 * 2) =$$
For $$m, n \epsilon R$$, define $$m * n = m + n - 2$$ and $$m \oplus n = \frac{mn}{2}$$ then $$(3 * 5) \oplus (9 * 7) = ?$$
$$(3^{2x + 4} \times 9^{4x + 2}) \div (9^{x + 4} \times 3^{2x + 2}) = 9^5 \Rightarrow x = ?$$
If $$x = \sqrt{7} - \sqrt{6}$$ then $$x^4 + \frac{1}{x^4} =$$
$$5(x^2 + y^2 + z^2) = 4(xy + yz + zx)$$ then $$x : y : z$$
$$yz : zx : xy = 1 : 2 : 3 \Rightarrow \frac{x}{yz} : \frac{y}{zx} =$$
$$\sqrt{4 + \sqrt{4 + \sqrt{4 + \sqrt{4 + ........ \infty}}}} = $$
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