Question

If you divide 18 by different numbers and get these results, which one proves that a number is a factor of 18?

विकल्प

• 18 ÷ 4 = 4 remainder 2

• 18 ÷ 5 = 3 remainder 3

• 18 ÷ 6 = 3 remainder 0

• 18 ÷ 7 = 2 remainder 4

Answer 1

18 ÷ 6 = 3 remainder 0

Explanation:

A factor must produce a remainder of 0 when the original number is divided by it. Only option c) gives remainder 0, proving that 6 is a factor of 18 (18 = 6 × 3).