For the following questions answer them individually
If a factory, the salary of each worker is increased in the ratio $$22:25$$ but the number of workers is decreased by $$26\frac{2}{3}$$% . The net effect on the salary is
The total surface area of a right pyramid on a square base of side 10 cm with height 12 cm is:
The simplified value of the following expression is: $$\frac{1}{\sqrt{11-2\sqrt{30}}}-\frac{3}{\sqrt{7-2\sqrt{10}}}-\frac{4}{\sqrt{8+4\sqrt{3}}}$$
The base of a right prism, whose height is 2 cm, is a square. If the total surface area of the prism is 10 cm2, then its volume is:
If $$p(x+y)^{2}=5$$ and $$q(x-y)^{2}=3$$, then the simplified value of $$p^{2}(x+y)^{2}+4\ pq\ xy - q^{2}(x-y)^{2}$$ is:
A certain sum of money amount to Rs. 2200 at 5 % p.a. Rate of interest, Rs. 2320 at 8% interest in the same period of time. The period of time is:
The present ages of A and B are in the ratio 5 : 6 respectively. After seven years this ratio becomes 6: 7. Then the present age of A in years is:
$$\angle Y$$ is the right angle of the triangle $$XYZ$$. If $$XY=2\sqrt{6}$$ cm and $$XZ-YZ=2$$ cm, then the value of $$(secX + tanX)$$ is:
In $$\triangle$$ABC, the line parallel to $$BC$$ intersects $$AB$$ and $$AC$$ at $$P$$ and $$Q$$ respectively. If $$AB:AP=5:3$$, then $$AQ:QC$$ is: