Check whether `(-136)-:4` and `136-:(-4)` are Equal.

Can we say that (-48)-: 8=48-:(-8) Check whether- (-136)-: 4 and 136 -: (-4)

Check whether- 90+(-45) and (-90)+45 are Equal.

Check whether the points (5,4)(3,6) and (-2,-1) are the vertices of a right angles triangle.

Check whether ( 5 , -2) , ( 6 , 4) and ( 7 , -2) are the vertices of an isosceles traingle .

Check whether 6140 is divisible 10.

Check whether 876 and 345 are divisible by 3. Also check whether 3 divides the difference of 876 and 345.

Check whether 864 is divisible by 4?

Check whether -4 and 4 are the zeroes of the polynomial x^4-256 .

Check whether -3 and 3 are the zeroes of the polynomial x^4-81 . [hint : Let p(x) = x^4-81 if p(-3) is equal to zero, then -3 is a zero of the given polynomial.}

Check whether 456 and 618 are divisible by 6. Also check whether 6 divides the sum of 456 and 618.