Let x and y be positive integers such that x>y.The expressions 3x+2y and 2x+3y when divided by 5 leaves remainders 2 and 3 reapectively.What is the remainder when (x-y) is divided by 5?

Let x and y be positive integers such that x is prime and y is composite.Which of the following statements are correct?

1.(y-x) can be an even integer

2.xy can be an even integer

3.0.5(x+y) can be an even integer

Select the correct answer using codes

The number of pairs (x,y) where x,y are integers satisfying the equation 21x+48y=5 is

If k=x-y+2z where -2<=x<=1,-1<=y<=2 and 3<=z<=6,then which one of the following is correct?

The value of a single discount on some amount which is equivalent to a series of discounts of 10%,20% and 40% on the same amount is equal to

Which one of the following is correct?