For the following questions answer them individually
The Table shows the number of students from different schools playing different games.
What is the average of the number of students who play cricket in all four schools?
$$\triangle$$ABC $$\sim$$ $$\triangle$$EDF and ar($$\triangle$$ABC): ar($$\triangle$$DEF) = 1 : 4. If AB = 7cm, BC = 8 cm and CA = 9 cm, then DF is equal to:
Six cubes, each of edge 2 cm, are joined end to end. What is the total surface area of the resulting cuboid in cm$$^2$$?
The difference between the compound interest and simple interest on ₹ x at 11% per annum for 2 years is ₹ 60.50. What is the value of x?
Two articles are sold for ₹ 4,752 each. On one, the seller gains 32% and on the other he loses 28%. What is his overall gain or loss percentage, correct to one decimal place?
If $$3 \sin \theta = 2 \cos \theta, then \frac{4 \sin \theta - \cos \theta}{4 \cos \theta + \sin \theta}$$ is equal to:
If $$\sqrt{x} - \frac{1}{\sqrt{x}} = \sqrt{5}$$, then $$x^2 + \frac{1}{x^2}$$ is equal to:
The Table shows the number of students from different schools playing different games.
What is the ratio of the total students who play cricket in schools A and B together to the total students who play hockey in schools C and D ?
In $$\triangle$$ABC, P is a point on BC such that BP : PC =Â 4 : 5 and Q is the mid point of BP. Then ar($$\triangle$$ABQ) : ar($$\triangle$$ABC) is equal to:
Ina circle with centre O, an arcABC subtends an angle of $$136^\circ$$ at the centre of the circle. The chord AB is produced to a point P. Then $$\angle$$CBP is equal to: