Class 10, Quadratic Equations, CBSE Online Test Paper (Set – II)

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The solution of (x +2)² = 25 is

-3, 7

-3,-7

3, -7

3, 7

Your comments:

Question 1 of 20

2. The roots of quadratic equation ax² + bx + c = 0 is given by

A

B

C

D

Your comments:

Question 2 of 20

3. If ax² + bx + c = 0 is a quadratic polynomial then p(x) = 0  i.e. ax² + bx + c = 0, a≠0 is called ----------

Quadratic equation or Linear equation

Differential equation

Linear Equation

Quadratic Equation

Your comments:

Question 3 of 20

4. The positive value of k, for which both equations: x² + kx + 64 = 0 and x² - 8x + k = 0 have real roots is________

k = -16

k = 16

k ≤ 16

k ≥ 16

Your comments:

Question 4 of 20

5. The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 48. Their present ages are

10 and 10

6 and 14

The situation is not possible

2 and 18

Your comments:

Question 5 of 20

6. If 4 is a root of the equation x² + 3x + k = 0 , then k is

-12

12

28

-28

Your comments:

Question 6 of 20

7. The sum of a number and it’s reciprocal is 5,2. The numbers is / are:

A

B

C

D

Your comments:

Question 7 of 20

8. If one root of a Quadratic equation is m + √n , then the other root is

√m + n

Can not be determined

m + √n

m - √n

Your comments:

Question 8 of 20

9. The roots of the quadratic equation ax² + bx + c = 0 re given by and where x is real, if

b² - 4ac = 0

b² - 4ac > 0

Either A or B

b² - 4ac < 0

Your comments:

Question 9 of 20

10. The solution of (2x + 1) (x - 5) = 3 is ____

A

B

C

D

Your comments:

Question 10 of 20

11. The roots of equation are x² + 5x +5 = 0 are

A

B

C

D

Your comments:

Question 11 of 20

12. The positive root of    is:

3

4

5

7

Your comments:

Question 12 of 20

13. For what value of k will 7/3 be a root of : 3x² - 13x - k = 0.

-7/2

-14

14

3/7

Your comments:

Question 13 of 20

14. Zeroes of the quadratic polynomial ax² + bx + c and roots of the quadratic equation ax² + bx + c = 0 are --------

Equal to zero

Same

Different

Either same or different

Your comments:

Question 14 of 20

15. The roots of x² - 8x + 12 = 0, are

no real roots

x = 0

real and equal

real and unequal

Your comments:

Question 15 of 20

16. The roots of the equation py²- q = 0 are

A

B

C

D

Your comments:

Question 16 of 20

17. The discriminant of the quadratic equation 2x² - 6x + 3 = 0, is

12

-12

-10

10

Your comments:

Question 17 of 20

18. Reduction of a rupee in the price of onion makes the possibility of buying one more kg of onion for Rs.56. Find the original price of the onion per kg?

7,-8

8

7

1

Your comments:

Question 18 of 20

19. If a,b,c are real and b²-4ac >0 then roots of equation are

real roots

real and unequal

No real roots

real and equal

Your comments:

Question 19 of 20

20. The solution of -9z² - 4z + 2 = 0 is

A

B

C

D

Your comments:

Question 20 of 20

 Loading...