Practice Quiz on MCqs of all Chapters(Class-IX)

What in the area of an equilateral triangle with side 2 cm?

• $\sqrt{6\ }cm^2$

• $\sqrt{8}cm^2$

• $\sqrt{3}cm^2$

• $4\ cm^2$

3. What is the length of each side of an equilateral triangle having an area of 

 $4\sqrt{3}\ cm^2$  

• 4 cm

• 5 cm

• 3 cm

• 6 cm

4. The sides of a triangle are 3 cm, 5 cm and 6 cm. What is its area?

• $2\sqrt{3}cm^2$

• $4\sqrt{14}cm^2$

• $5\sqrt{12}cm^2$

• $2\sqrt{5}cm^2$

Length of one of the equal sides of an isosceles triangle is 4 cm. If its perimeter is 14 cm, then what is its area?

• $7\sqrt{3}cm^2$

• $3\sqrt{7}cm^2$

• $7\sqrt{7}cm^2$

• $21cm^2$

If the perimeter of an equilateral triangle is 60 cm, then what is its area?

• $100\sqrt{2}cm^2$

• $200\sqrt{2}cm^2$

• $100\sqrt{3}cm^2$

• $200\sqrt{3}cm^2$

write the class mark of 90-110 group

• 102

• 100

• 98

• 105

In a histogram, each class rectangle is constructed with base as

• frequency

• class interval

• range

• size of the class

The value of polynomial 5x²-3x+7 at x=1 is

• 15

• 1

• 9

• 8

The remainder when x⁴+x³-2x²+x+1 is divided by (x-1) is

• 3

• 1

• 4

• 2

The value of k, if x-1 is a factor of p(x)= x²+x+2k+1 is

• -1/4

• -3/2

• -2/3

• -3/4