10th Class Maths MCQ with Answers
If for a quadratic equation b2 – 4ac = 49, then roots are real and………..
Imaginary
Irrational
Equal
Unequal
Five less than three times a certain number is……………..
5x + 3
3x -5
3x + 5
5x – 3
Root of the equation 4x2 -5x +2 = 0 are.
None of these
Rational
Irrational
Imaginary
Product of cube roots of ninty is.
-1
0
1
3
Disc. of 2x2 – 7x + 1 = 0 is……
47
41
40
51
If a ,? are roots of equation px2 +qx + r = 0 than sum of 2a and 2?
-q/p
-q/2p
-2q/p
r/p
If roots of a quadratic equation are irrational and distinct, then Disc.is…….
Not perfect square
Perfect square
Zero
Negative
1/a + 1/? is equal to.
1/a
1/a -1/?
a-?/a?
a+?/a?
a2 +?2 is equal to
(a+?)2
a+?
1/a2 + 1/?2
a2 -?2
Sum root of 4x2 – 3x + 6 = 0
-4/3
4/3
3/4
-3/4
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