If the point A (7, k) is the vertex of an isosceles triangle ABC with base BC,where B = (2, 4) and C = (6, 10), then what is 'k'?

2.

If the distance between the points (na, nb) and (a, b) is 4 times the distance between the points (5a, 5b) and (a, b), then 'n' is equal to

3.

ABC is a tringle whose centroid is G. If A is (-3, 1) B is (2, b), C is (a, -4) and

4.

An angle is equal to3? /5 radians. What is its measure in degrees?

5.

Find the range of values of x, which satisfy the inequality - 1/5<3x/10+1<2/5, x ? R

6.

Read the law given below and identify the same:The mass on any substance liberated from an electrolyte is directly proportionalto the quantity of charge passing through the solution.

7.

The value of Avogadro's constant is-

8.

In an experiment, 295 mg of copper is deposited when a current of 500 mA passes for 30 minutes. Find the electrochemical equivalent of copper-

9.

Which one of the following is the correct unit of angular velocity?

10.

The force by which a body is attracted towards the centre of the earth is called-