If `x-y=8` , then which of the following must be true? Both `x` and `y` are positive. II. If `x` is negative, `y` must be positive III. If `x` is negative, `y` must be negative. (a) I only (b) II only (c) I and II (d) III only

If e(x,y) is negative, then which of the following is positive?

If x backslash and backslash y are negative,then which of the following statements is/are always true? x backslash+backslash y is positive.II xy is positive.III.x backslash is positive.I only (b) II only (c) III only (d) I and III only

In which quadrant, the point (x, y) will lie? (Where x is a positive and y is a negative number).

In which quadrant are the following (i) Whose both co-ordinates are positive. (ii) Whose both co-ordinates are negative.

If n=1+x, where x is the product of four consecutive positive integers,then which of the following is/are true? n is odd II.n is prime III.n is a perfect square.(a) I only (b) I and II only (c) I and III only (d) None of these

In which quadrant are the following points. Whose x-co-ordinate is positive and y co- ordinate is negative. Both co-ordinates are negative.

Given n=1+x and x is product of four consecutive integers. Then which of the following is true? I n is an odd integer II. n is prime. III. n is a perfect square. Only I is correct (b) Only III is correct (c) Both I and II are correct (d) Both I and III are correct

For the integer n, if n^(3) is odd,then which of the following statements are true? n is odd.II.n^(2) is odd.III.n^(2) is even (a) I only (b) II only (c) I and II only (d) I and III only

If x is positive even integer and y is negative odd integer, then x^(y) is