Question 1: The perimeter of a circle is 
.It`s area is 
 

Question 2: Jane bought a couch. A couch costs 950 dollars.She recieved a 30% discount.How much of a discount did she get? Answer:She got 
 dollars discount.

Question 3:
 
 

Question 4:
 
 

Question 5: The ratio of the number of girls to the number of boys in a classroom is 5:4.When 10 girls left the classroom, the ratio of the number of boys to the number  of girls became 4:3. How many students were in the classroom at first? Answer:There were 
 students in the classroom at first.
Question 6: The area of a rectangle is 
. If it`s length is increased by 10%and it`s width is decreased by 20% then the area of new rectangle is 
 

Question 7: An aquarium is 8dm deep,12dm long and 0,3m wide.What is the volume of the aquarium in cubic centimeter? Answer: The volume of the aquarium is 
 


Question 8: At a party 60% of the boys are dancing with 80% of the girls.How many people are dancing if there are 35 people?(A pair cludes only one boy and one girl) Answer:
people are dancing.
Question 9: Look at the following figure. 
; 
. If the area of triangle GBD is 
 then the area of the triangle GCD is 
 


Question 10: The sum of all squares`s area in the following figure is 
. The area of the biggest square is 
 
.