If a,b and c satisfy the equation x³-3x²+2x+1=0,then what is the value of 1/a+1/b+1/c

The seven digit number 876p37q is divisible by 225.The values of p and q can be respectively

If (x+1) is the H.C.F of Ax²+Bx+C and Bx²+Ax+C where A≠B,then the value of C is

Consider the following in respect of the equation y=√(x-1)²/(x-1)

1.y=1 if x>1

2.y=-1 if x<1

3.y exists for all values of x

Which of the above statements are correct

A number when divided by 7 leaves a remainder 3 and the resulting quotient when divided by 11 leaves a remainder 6.If the same number weh divided by 11 leaves a remainder m and the resulting quotient when divided by 7 leaves a remainder n.What are the values of m and n respectively?

A tin of oil was 4/5th full.When 6 bottles of oil was taken out from this tin and 4 bottles of oil were poured into it,it was 3/4 full.Oil of how many bottles can the tin contain?