For the following questions answer them individually
A table with marked price 1200 was sold to a customer for 1100. Find the rate of discount allowed on the table.
Fach of the circles of equal radii with centres A and B pass through the centre of one another circle they cut at C and D then ∠DBC is equal to
A man, a woman and a boy together finish a piece of work in 6 days. If a man and a woman can do the work in 10 and 24 days respectively. The days taken by a boy to finish the work is
The average of 11 numbers is 63. If the average of first six numbers is 60 and the last six numbers is 65, then the 6th number is
If $$x^{2}+\frac{1}{x^2}=66$$ then the value of $$\frac{x^2-1+2x}{x}=$$ ?
If I be the incentre of ΔABC and ∠B = 70° and ∠C = 50°, then the magnitude of ∠BIC is
For a triangle ABC, D. E. F are the mid-points of its sides. If ΔABC = 24 sq. units then ΔDEF is
If $$a^{2} + a+ 1 = 0$$, then the value of $$a^{9}$$ is
For a triangle circumcentre lies on one of its sides. The triangle is
If $$x+\frac{2}{x}=1$$ then the value of $$\frac{x^2+x+2}{x^2(1-x)}$$ is
