For the following questions answer them individually
The ratio of circumference and diameter of a circle is 22:7. If the circumference be $$1\frac{4}{7}$$m, then the radius of the circle is:
The ratio of the length of a rod and its shadow is $$1:\sqrt3$$. The angle of elevation of the sun is:
A man bought some eggs of which 10% are rotten. He gives 80% of the remainder of his reighbours. Now he is left out with 36 eggs. How many eggs he bought?
If $$\frac{x+1}{x-1}=\frac{a}{b}$$ and $$\frac{1-y}{1+y}=\frac{b}{a}$$, then the value of $$\frac{x-y}{1+xy}$$ is:
State electricity board gives 15% discount on electric bills if it is paid before due date. One person gets ₹54 discount. The amount of actual bill was:
In $$\triangle ABC$$, the external bisectors of the angles $$\angle B$$ and $$\angle C$$ meet at the point O. If $$\angle A=70^\circ$$, then the measure of $$\angle BOC$$ is:
If $$0^0<\theta<90^0$$ and $$Cosec\theta=Cot^2\theta$$, then the value of the expression $$Cosec^4\theta-2Cosec^3\theta+Cot^2\theta$$ is equal to:
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