For the following questions answer them individually
If a train runs at 40 km/hour,it reaches its destination late by 11 minutes. But if it runs at 50 km/hour, it is late by 5 minutes only. The correct time (in minutes) for the train to complete the journey is
A tree increases annually by $$\frac{1}{8}^{th}$$ of its height. By how much will it increase after 2 years, if it stands today 64 cm height ?
if $$x+\frac{1}{x}=2$$, $$x \neq 0$$ then the value of $$x^{2}+\frac{1}{x^{3}}$$ is equal to
If $$\frac{a}{b}+\frac{b}{a}$$=1, $$a \neq 0$$, $$b \neq 0$$, the value of $$a^{3}+b^{3}$$ is
If $$\frac{2P}{P^{2}-2P+1}$$ =$$\frac{1}{4}$$ $$P \neq 0$$, then the value of $$P+\frac{1}{P}$$ is
The angles of a triangle are $$(x + 5)^\circ$$, $$(2x — 3)^\circ$$ and $$(3x + 4)^\circ$$. The value of x is
Two line segments PQ and RS intersects at X in such a way XP = XR. If $$\angle PSX = \angle RQX$$,then one must have
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