Maths quiz

   Maths Quiz

Practice Questions from Linear Equations in one Variable and Parallel Lines

1. What do we get when we transpose 5/2 to RHS in the equation x/4 + 5/2 = -3/4 ?

          a. x/4 = -3/4 + 5/2

         b. x/4 = -5/2 + ¾

        c. x/4 = -3/4 + (-5/2)

        d. none of these

2. In the equation 3x = 4-x, transposing -x to LHS we get

          a. 3x - x = 4

         b. 3x + x = 4

        c. -3x + x = 4

       d. -3x - x = 4

3. If x/3 + 1 = 7/15, then which of the following is correct?

          a. x/3 = 7/15 - 1

        b. x/3 = -7/15 + 1

        c. x/3 = -7/15 - 1

        d. none of these

4. If 7x+15 = 50, then which of the following is the root of the equation?

          a. -5

         b. 65/7

        c. 5

        d. 1/5

5. If 2x/5 = 4, the value of x is

          a. 10

         b. -10

        c. -8/5

       d. 8/5

6. If the sum of two consecutive numbers is 71 and one number is x, then which of the following equation is correct ?

          a. x + (x+1) = 71

         b. x + (x+2) = 71

        c. x + x = 71

        d. none of these

7. Two year ago my age was x years, then what was my age 5 years ago?

          a. X + 7

         b. X - 2 - 5

        c. X - 5

        d. X- 3

8. How old will I be after 10 years, if my age before 10 years was ‘x’ years?

          a. X + 20

         b. X - 20

        c. X + 10

        d. X ‐ 10

9. If x is an even number, which is the next odd number?

          a. X + 1

         b. X + 2

        c. X - 1

        d. X – 2

10. In Figure L1 || L2 the value of x is

(a) 35°

(b) 40°

(c) 80°

(d) 75°

11. Given lines AB II CD in figure. The value of x is

(a) 40°

(b) 140°

(c) 75°

(d) 80°

12. In figure p || q the value of x is

(a). 55⁰. (b) 100°. (c) 110°. (d) 75⁰

13. In the figure, PS ⊥ l, RQ ⊥ l, the degree measure of y is

(a) 55°

(b) 90°

(c) 80°

(d) 135°

14. Given lines l1 || l2 and l2 || l3 in figure. The value of x is

(a) 40°

(b) 140°

(c) 50°

(d) 80°

15. In figure if ∠A + ∠B + ∠C + ∠D + ∠E + ∠F = k right angles, then find value of k.

(а) 2

(b) 3

(c) 4

(d) 5

16. In the given figure, AB || CD then value of x is:

a) 45o

b) 60o

c) 90o

d) 105o

17. In the given figure, PQ || RS and ∠ACS = 127°, ∠BAC is

a) 50⁰. b) 53⁰ c) 77⁰. d) 107⁰

18. In figure, AB || ED, the value of x is:

a) 26o

b) 36o

c) 54o

d) 62o

19. Two parallel lines intersect at:

a) One point

b) Two points

c) Three points

d) Null 

20. If three or more than three points lie on the same line then these points are called as

a) Linear points

b) End points

c) Collinear points

d) None

Answers:

1. C

2. B

3. A

4. C

5. A

6. A

7. D

8. A

9. A

10. C

11. C

12. A

13. C

14. B

15. C

16. A

17. C

18. A

19. D

20. C