TOT MKS: 15(1 X 1)
·
1. Who gave the formula to find the roots of a quadratic
equation?
A. Arya Bhatta
B. Bhaskaracharya
C. Pythagoras
D. Shridhar Acharya
2. If
,
then m=______.
,
then m=______.
A. 3
B. -3
C. 9
D. -9
3. Find the H.C.F. of (3x3)3, 3x2
X 2x3 and 27x6 / 3x2.
A. 3x2
B. 3x4
C. 3
D. x4
4. The solution set of x+y-1=0 and 2x+2y-2=0 is ______.
A. {(1,0)}
B. {(0,1)}
C. An empty set
D. An infinite set.
5. If 4 is one of the roots of x2+6x+k=0, find
the value of k.
A. -10
B. 40
C. -40
D. 20
PAGE DOWN….
6. The reciprocal rational expression of the opposite of 
is ______.
is ______.
A. 
B.
C. 
D. 
7. Find the L.C.M. of (2x2)2, 12x3 / 4x2 and
.
.
A. 2x2
B. 3x2
C. 12x4
D. 6x4
8. Five years ago, the sum of ages of four persons was 60
years. Five years hence, the sum of ages of same four persons will be ______
years.
A. 100
B. 70
C. 65
D. 80
9. x4-5x2+3x-1=0 is ______.
A. A rational expression
B. A polynomial
C. A quadratic equation
D. Not a quadratic equation.
10. Simplify: 
+ 
+
A.
1
B. 0
C. -1
D. 2
11. Find the H.C.F. of 
,
and (2x)2.
,
and (2x)2.
A. x
B. 1
C. x2
D. x3
PAGE
DOWN….
12. If 3x+2y=7 and 2x+3y=8, find the value of x+y.
A. 1
B. 2
C. 3
D. 4
13. If he discriminant of the equation 2x2-5x-k=0 is 81,
find the value of k.
A. 2
B. 5
C. 7
D. 9
14. Which rational expression should be added to 
to get
?
to get ?
A. x+1
B. 
C. x-1
D. 
15. If 7x-9y=25 and 9x-7y=23, find the value of x-y.
A. 3
B. 4
C. 2
D. 1
MORE TO COME...!!!
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ANSWERS:::
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SOME QUESTIONS ARE NOT UNDERSTOOD>>>WILL SEE TO IT LATER...!!!1
