Question

Question No -12 to Question No- 18 each carry 3 marks:(any-6)

Q-12 If x =1 , y= 2 and z=5 , find the value of X2 + y2 + z2

Q-13 Simplify: -3 (a+b) + 4(2a -3b) – (2a-b)

Q-14 The sum of three consecutive natural numbers is 114.Find the numbers.

Q-15 The angle of a triangle are in ratio 1 : 3 : 5. Find the measure of each

of the angle.

Q-16 Draw an angle of 600

,using a pair of compass. Bisect it to make an

angle of 30°.

Q-17 Construct a frequency table for the following:

3 ,2 ,5 ,4, ,1 ,3 ,2 ,2 ,5 ,3 ,1 ,2 ,1 ,1 ,2 ,2 ,3 ,4 ,5 ,3,1 ,2 ,3

Q-18 Find the diameter of a wheel whose circumference is 264cm.​

Answer 1

Answer:

we have to add all yar ...(~_~メ)