Question

7. A pair of linear equation in two variables which has a common point i.e.,

which has only one solution is called a ________ pair.

8. Find the value of ‘k’ for which the system of equation 2x + 3y = 5 and 4x +

ky = 10 has infinite number of solutions?

9. Solve by factorization

10. If and are roots of the equation then find .

OR

The diameter of a sphere is 6cm. It is melted and drawn into a wire of

diameter 2cm. Find the length of the wire ?

11. A cone of height 24 cm and radius of base 6 cm is made up of modelling

clay. A child reshapes it in the form of a sphere, find the radius of the

sphere.

12. The numbers are arranged in ascending order. If their median is 25,

then find x ?

13. If the value of mean and mode are respectively 30 and 15, then find median.



14. The wickets taken by a bowler in 10 cricket matches are as follows

2, 6, 4, 5, 0, 2, 1, 3, 2, 3 Find the mode of the data.​

Answer 1

Answer:

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Answer 2

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