QUIZ E4M

Find the formula for the perimeter of a square with side a?

• 2a

• 4a

• 6a

What is prime number called in Vietnamese?

• Số nguyên tố

• Số chẵn

• Số nguyên

• Số lẻ

What is the value of A such that the equation below is correct?

20 - A = 8

• 11

• 10

• 9

• 12

How many even numbers are there from 100 to 199?

• 51

• 50

• 38

• 39

7x + 2y = 16

2x − y  = 3

What is the solution (x,y) to the system of equations above?

•  (4,6)

• (-3,2)

• (2,1)

•  (9, -6)

Find the value of 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 

• 30

• 56

• 10

• 40

What is the value of X if the equation below is correct?

6 + X = 8 – 5 + 16

• 6

• 11

• 13

• 10

Among the following numbers, how many odd numbers are there?

23 , 46 , 200 , 921, 8 , 51 , 19 , 6

• 4

• 3

• 2

• 1

 Find the value of

 20 x 10 + 120 : 6 + 180 : 9 + 15 x 3

• 150

• 365

• 260

• 285

Eighty-nine is multiplied by two is equal to … (Write a number)