1. Find the value of k if x = 3 and y = 2 is a solution of the equation 2x - 3y = k.
8. Find the angle which is twice its supplement.
9. An exterior angle of a triangle is 110° and its two interior opposite angles are
equal. Find each of these equal angles.
10. State 5As congruence rule.
11 ABC is a right angled isosceles triangle in which <A = 90' Find < Band <c
12. Two adjacent angles of a parallelogram are in the ratio 2:3. Find all the four angle
of the parallelogram.
13. What is the relation between chord of a circle and a perpendicular from centre
the chord,
14. Find the ratio of lateral surface area and total surface area of a cube.
15. in a throw of a die find the probability of getting an even number.
16. What is the probability of getting a red ball from a bag containing 6 blue, 5green
and 8red balls.