_____ numbers are counting numbers that have definite beginning but no endingQuestion 3Answera.discreteb.numericalc.Naturald.Real

To determine the answer to the question, let's analyze the terms given in the multiple-choice options:

1. Discrete Numbers: These are distinct and separate values, often used in mathematics to refer to individual whole numbers or categories.
2. Numerical: This term generally refers to numbers but does not specifically indicate whether they are counting numbers or have an ending.
3. Natural Numbers: This is the set of positive integers starting from 1 and continuing indefinitely (1, 2, 3, ...). These indeed have a definite beginning (1) but no ending.
4. Real Numbers: This set includes all rational and irrational numbers, spanning infinitely in both directions on the number line, so it does not fit the description in the question.

Conclusion:

Based on the definitions and the nature of each term, the correct answer is:

c. Natural Numbers.

Natural numbers are counting numbers that start from 1 and go on infinitely, fitting the criteria of having a definite beginning but no ending.