Q1 Two triangles are said to be similar, if their

A corresponding angles are equal and corresponding sides are proportionalB corresponding angles are proportionalC corresponding angles are proportional and corresponding sides need not be equalD corresponding angles define them as isosceles

Q2 Cos4A – Sin4A is equal to

A 2Cos2A + 1B 2Cos2A – 1C 2Sin2A – 1 D 2Sin2A + 1

Q3 The arithmetic mean of the following data is 14. Find the value of kxi 5 10 15 20 25fi 7 k 8 4 5

A 7B 5C 8D 6

Q4 A number x is selected randomly from the numbers 1, 2, 3. A second number y is selected randomly from the numbers 1, 4, 9. What is the probability that the product xy of two numbers will be less than 9.A 7/9 B 5/9

C 2/3 D 1/9

Q5 If points (1,2), (-5,6) and (a,-2) are collinear, then a =

A -3 B 2

C 7 D -2