Which of the following statements are true? (i) The sum of a number and its opposite is zero. (ii) The sum of two negative integers is a positive integer. (iii) The sum of a negative integer and a positive integer is always a negative integer. (iv) The successor of `-1\ i s\ 1.` (v) The sum of three different integers can never be zero.

If n is a negative integer, which statements is always true?

What will be the sign of the product if we multiply together (i) 8 negative integers and 1 positive integers? (ii) 21 negative integers and 3 positive integers? (iii) 199 negative integers and 10 positive integers?

Give example of: Two negative integers whose sum is -45.

Two negative integers and one positive integer are being multiplied. Find the sign of the product.

Which of the following statement are true? (i) The product of a positive and negative integer is negative. (ii) The product of three negative integers is a negative integer. (iii) Of the two integers, if one is negative, then their product must be positive. (iv) For all non-zero integers a and b , axxb is always greater than either a or b. (v) The product of a negative and a positive integer may be zero. (vi) There does not exist an integer b such that for a gt1, axxb=bxxa=b.

(a) Write a pair of negative integers whose difference gives 8. (b) Write a negative integer and a positive integer whose sum is -5. (c) Write a negative integer and a positive integer whose difference is -3.

Three negative integers and one positive integer are multiplied. Find the sign of the product.

Find the sum of :(i) the first 1000 positive integers(ii) the first n positive integers

Give examples of: Two negative integers whose sum is -21.

Check the validity of the following statement: “Square of an integer is positive or negative”