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5/32 MCQs for:

NUMBER & NUMERATION: Natural Numbers

Which of the following represents a sequence of natural numbers?

{1, 1, 2, 3, ...}.

{-1, 0, 1, 2}.

{1, 2, 3, 4, ...}.

{0, 1, 2, 3, ...}.

Which of the following is a natural number?

0.

2.5.

5.

-3.

Which of the following is the first natural number that is a perfect square?

3.

1.

4.

2.

What is the greatest natural number less than 10?

9.

11.

8.

10.

If x is a natural number, which of the following expressions could yield a natural number?

x - 1 when x = 1.

x ÷ 2 when x = 2.

All are correct.

x + 1 when x = 0.