Match the column
class8-maths-chapter-14-mcq-1.png
  • p -> iv, q -> iii , r -> i, s ->iii
  • p -> ii, q -> iii , r -> iv, s ->i
  • p -> iii, q -> iv , r -> i, s ->ii
  • p -> i, q -> iv , r -> iii, s ->ii
The area of a square is $121x^2 + 88xy + 16y^2$.The side of the square is
  • (11xy + 4)
  • (11x + 4y)
  • (11x -4y)
  • (11 + 4xy)
The value $ \frac {4xy(y^2 + 6y -16)}{2xy + 16x}$ is
  • 2y( y+2)
  • 2x(y+2)
  • 2y(y-2)
  • 2y(x-2)
The value of $(p -q)^4 – (p+q)^4$ is
  • $-8pq(p^2 + q^2)$
  • $4pq(p^2 + q^2)$
  • $8pq(p^2 + q^2)$
  • $-8pq(p^2 - q^2)$
The sum of (x + 6) observations is $x^4 – 1296$. The mean of the observations is
  • $(x^2 - 64)(x-6)$
  • $(x^2 - 36)(x-6)$
  • $(x^2 - 36)(x+6)$
  • $(x^2 + 36)(x-6)$
The value of $ \frac {x^2 -y^2}{xy} - \frac {xy-y^2}{xy-x^2}$ is
  • x/y
  • y/x
  • -x/y
  • -y/x
$(x^4 – 16)  /div  x^3 + 2x^2 + 4x + 8$ is equal to
  • $x^2 + 2$
  • x-2
  • x + 2
  • $x^2 -2$
Common factor of $13abc$, $26ab^2$, $39a^2b$ is
  • $13abc$
  • $13ab^2$
  • $13ab$
  • $13a^2b^2c$
The area of a rectangle is $x^2 + 12xy + 27y^2$ and its length is ((x + 3y). Find the breadth of the rectangle.
  • x + 9y
  • x- 9y
  • x + 3y
  • x- 3y
0 h : 0 m : 1 s

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