Which number is a prime number: 21, 29, 33, 51?
Difficulty: Medium
About this MCQ
Medium Basic Maths item. Correct choice: A. 29.
- A. 29 ✓
- B. 21
Why not B: “21” is not 29.
- C. 33
Why not C: “33” is not 29.
- D. 51
Why not D: “51” is not 29.
Correct answer
A. 29
Explanation
29 is the term that matches “Which number is a prime number: 21, 29, 33, 51” (option A). Option B (21) is a different value from 29. Option C (33) is a different value from 29. Option D (51) is a different value from 29. Keep 29 as the Basic Maths fact for this stem.
Source: Basic Maths Guide
Tags: Basic Maths, Prime Numbers
Submitted by: MCQsHub Editorial