MCQ of Maths Class 9
General form of linear inequality is
ax + b < 0
ax2 + bx + c < 0
a + b < 0
a + bx≤ 0
H.C.F a3+b3 and a2-ab+b2 is ………..
a+b
a2-ab+b2
(a-b)2
a2+b2
H.C.F of x-2 and x2+x-6 is………….
x2+x6
x+3
x-2
x+2
L.C.M of a2 + b2 and a4 – b4 is:
a2 + b2
a2 – b2
a4 – b4
a – b
If a>b, c < 0 then ac< bc and
a/b < c/c
a/c< b/c
a/b < a/c
c/a < c/b
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