CBSE Class 7 Maths Finding the Unknown (Class 7 NCERT New) Quiz 3

1. Solve: 3(x-4) = -3

A 3 B -3 C 5 D -5

2. Solve: -7(z - 6) = -70

A 16 B -16 C 8 D -1/2

3. Solve the equation

A 14 B -14 C 4 D -2

4. Solve 0 = 4g

A g = 4 B g = 1 C g = -4 D g = 0

5. Combine like terms3x + 2x + 3y - 7y

A 5x + 10y B 5x + 4y C 5x - 4y D 5x -10y

6. Solve for n

A n = 9 B n = 3 C n = 27 D n = 15

7. 5(2x -1) = -5+ 10x

A x = 5 B x = 0 C all real numbers D no solution

8. x - 2x + 3 = 3 - x

A all real numbers B no solution C x = 0 D x = 3

9. x + 2 = x + 4

A all real numbers B no solution C x = 0

10. What are the sum of the angles on a straight line?

A 160o B 180o C 360o D 190o