‘x’ is an input to a program to calculate the square of the given number. The range for

‘x’ is from 1 to 100. In boundary value analysis, which are valid inputs?

(a) 1,2,50,100,101

(b) 1,2,99,100,101

(c) 1,2,50,99,100

(d) 0,1,2,99,100