(Test Paper) CBSE Class X Self Evaluation Tests For Mathematics (Quadratic Equations)
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Test Paper : CBSE Class X Self Evaluation Tests For Mathematics
(Quadratic Equations)
1.
Find the values of m and n for which x = 2 and x
= –3 are
solutions of the equation: 3x2 – 2mx + 2n
= 0
2.
Solve
the quadratic equation by factorization:
1
= 1 + 1 + 1
a
+ b + x a b
x
3. Solve by quadratic formula 6a2x2 – 7abx – 3b2 = 0
4. In a celebration party, each child gives a gift to every other
child.
If the number of gifts is 132, find the number of
children.
5. Solve for x: 2x + 2x – 5 = 25
x
–
4 x – 3
3
6. If the list price of a toy is reduced by Rs.2, a person can
buy 2 toys more for Rs.360. Find the original price of the
toy.
ANSWERS
1. m
= –3/2,
n = –9
2.
x = –a,
–b
3. 3b/2a,
–b/3a
4.
12
5.
6, 40/13
6.
Rs. 20