Mix Maths (easy level)

A shopkeeper gave a 10% discount on a toy for 900 Rs. After a few Days he gave it for 500 Rs with a different discount. Find the discount given on the toy?

• 40%

• 50%

• 60%

• 70%

 $1\frac{\text{8}}{10}\times1\times2\frac{\text{2}}{4}$  

•  $\frac{18}{5}$  

•  $\frac{15}{5}$  

•  $\frac{9}{4}$  

•  $\frac{13}{4}$  

Find the volume of a semi-circle when r=14, h=2.

• 615.8

• 600.6

• 614.6

• 601.6

Find the area of square when it is of 4 cm L and cutted 1 cm block is added to it on each side.Find the area?

• 18

• 20

• 16

• 25

find the area of circle when r=7?

• 141

• 140

• 154

• 139

Expand:

(2a-2b)

• $4a^2-8ab+4b^2$

• $4a^2+6ab-4b^2$

• 4a+6ab-4b

• 4a-6ab+4b