Simple Expressions

Q1. How many units are there?

• 8 units

• 10.5 units

• 7 units

• 9 units

Form the equation for the following statement :

'one third of y is 25'

• y + 3 = 25

• y ⁄3 = 25

• 3y = 25

• y - 3 = 25

Find the value of x if

7x +3+2= 26

• 3

• -3

• 0

• 21

Which of the following equation correctly represents the given image ?

• 3k = 20

• k+3 = 20

• 3-k = 20

• 3+k = 30

Three times the sum of a number and 7 is equivalent to 57.

• 3x + 7 = 57

• 3(x + 7) = 57

• 7x + 3 = 57

• 7(x + 3) = 57

What will be the area of a rectangle if its length is 4a²b and breadth 3ab?

• 12a²b

• 12a³b

• 7a³b

• 12a³b²

Subtract:  -6x²y from -10x²y

• 4x²y

• -4x²y

• 16x²y

• -16x²y

Addition of expressions 5m² +3m -8 , 4m + 7 - 2m² and 6 - 5m + 4m²

• 7m + 2m² + 5

• 7m - 2m² + 5

• 7m² + 2m + 5

• 7m² + 2m - 5

Subtract 5x³ - 3x² - 8 from 2x³ - 5x² - 11x + 2

• 3x³ - 2x² -11x + 10

• -3x³ - 2x² -11x + 10

• 3x³ - 2x² -11x - 10

• 3x³ - 2x² +11x + 10

If t = -2 find the value of :
2t - 2

• -6

• 6

• 0

• 2