class 8,9 and 10

If CP=Rs.400 and SP = Rs. 500, what is profit percent?

• 66.67%

• 44.45%

• 100

• 25%

What is the value of 2⁰ + 3⁰ + 9 ?

• 5

• 11

• 7

• 8

I have four sides, opposite sides are equal and parallel, my opposite angles are also equal but diagonals are bisected with each other. Who am I?

• Rhombus

• Rectangle

• Trapezium

• Parallelogram

 $\sqrt{s\left(s-a\right)\left(s-b\right)\left(s-c\right)\ }$   is the formula to calculate area of _______________.

• Isosceles Triangle

• Equilateral Triangle

• Scalene Triangle

• Right Angled Triangle

What is the factorize form of a² + 7a+ 12 ?

• (a+3)(a-4)

• (a-3)(a-4)

• (a+3)(a+4)

• (a-3)(a+4)

What is the formula of range?

• L-S

• S-L

•  $\frac{\left(L-S\right)}{2}$  
  

• most repeated value

What is the value of 2a² + 7a²-3a² ?

• 5a²

• 6a²

• 4a²

• 3a²

What is ratio of 2 min and 120 seconds?

• 1:2

• 2:1

• 1:1

• 3:1