Number of possible integral solution of `3x + 5y = 7`, where `-10<=(x, y) <=10` is

The number of non negative integral solution of x+y+z<=n, where n in N

If the number of non-negative integral solutions of 3x+y+z<=30 is N.where N is a four-digit integer 'abba,'then the value of b-a is

The number of non-negative integral solutions of x+y+z<=n, where n in N is

The number of non-negative integral solutions of x+y+z<=n, where n in N is

The number of integral solutions of the equation 3x+3y+z=30, where x>=0,y>=0 and z>=0 is

The number of non negative integral solutions of 3x+y+z=24 is

The number of non negative integral solutions of 3x+y+z=24 is

The number of non negative integral solutions of 3x+y+z=24 is

The number of non negative integral solutions of 3x+y+z=24 is

The number of non negative integral solutions of 3x+y+z=24 is