Consider the following statements: (I) If `x and y` are composite numbers, then `x\ +\ y` is always composite. (2) There does not exits a natural number which is neither prime nor composite. Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

The number which is neither prime nor composite is

Write a number which is neither prime nor composite.

Which number is neither prime nor composite?

The smallest number which is neither prime no composite is 0 (b) 1 (c) 2 (d) 3

The smallest number which is neither prime no composite is 0 (b) 1 (c) 2 (d) 3

Consider the following statements for the sequence of numbers given below: 11,1111111,11111,..... Each number can be expressed in the form (4m+3), where m is a natural number.Some numbers are squares. Which of the above statements is/are correct? (a) 1only (b) 2only (c) Both 1and 2(d) neither 1nor 2

Consider the following statements: 1. a^n+b^n is divisible by a+b if n=2k+1, where k is a positive integer. 2. a^n-b^n is divisible by a-b if n=2k , where k is a positive integer. Which of the statements given above is /are correct? (a) 1 only (b) 2 only (c) both 1 and 2 (d) Neither 1 nor 2