Instructions

For the following questions answer them individually

Question 3

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 =0 has infinite number of solutions?

Question 4

What is the area (in square units) of the figure enclosed by the graphs of the lines x =-4, x = 2, y =-2 and y = 3?

Question 5

AB is a chord of the circle and its center is “O”. OM is perpendicular to AB. If the length of AB=20 cm, OM = $$(2\sqrt11)$$ cm, find the radius (in cm) of the circle.

Question 6

The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

Question 7

Length and breadth of a rectangle are increased by 40% and 70% respectively. What will be the percentage increase in the area of rectangle?

Question 8

Rs 6300 is divided among A, B and C in the ratio of 1/2: 1: 3/5. What is the share (in Rs) of B?

Question 9

U and V started a business by investing amounts Rs 184000 and Rs 224000 respectively. If U’s share in the profit received at the end of year is Rs 20700, then what will be the total profit (in Rs) earned by them together?