For the following questions answer them individually
A tank 40 m long, 30 m broad and 12 m deep is dug in a field 1000 m long and 30 m wide. By how much will the level of the field rise if the earth dug out of the tank is evenly spread over the field ?
In a triangle, if orthocentre, circumcentre, incentre and centroid coincide, then the triangle must be
If a = 2 + √3 ,then the value of $$(a^{2}+\frac{1}{a^{2}})$$ is
For what valsue (s) of k the expression $$p+\frac{1}{4}\sqrt{p}+k^{2}$$ is a perfect square ?
If 15% of x is same as 20 % of y then x: y is
If $$\frac{b-c}{a}+\frac{a+c}{b}+\frac{a-b}{c}=1$$ and a - b + c ≠0 then which one of the following relations is true ?
A train crosses a platform in 30 seconds travelling with a speed of 60 km/h. If the length of the train be 200 metres, then the length (in metres) of the platform is
If ΔFGH is isosceles and FG < 3 cm, GH = 8 cm, then of the following, the true relation is.
The numerical value of $$1+\frac{1}{\cot^{2}63^{\circ}}-\sec^{2}27^{\circ}+\frac{1}{\sin^{2}63^{\circ}}-cosec^{2}27^{\circ}$$ is
It 10 men or 20 women or 40 children can do a piece of work in 7 months, then 5 men, 5 women and 5 children together can do half of the work in how many months :
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