1. EASY

Which of the following is a prime number?

  1. \(2\)
  2. \(4\)
  3. \(6\)
  4. \(8\)
  5. \(10\)
 
2. MEDIUM

Which of the following is a composite number?

  1. \(1\)
  2. \(3\)
  3. \(5\)
  4. \(7\)
  5. \(9\)
 
3. MEDIUM

Which of the following is NOT a prime number?

  1. 271
  2. 4649
  3. 239
  4. 1
  5. 131
 
4. MEDIUM

Which of the following is a square number?

  1. \(19\)
  2. \(29\)
  3. \(39\)
  4. \(49\)
  5. \(59\)
 
5. MEDIUM

What is the largest composite number less than 60?
 
6. MEDIUM

What is the square of 7?
 
7. HARD

What is the sum of all the prime number(s) between 1 and 10?

  1. 10
  2. 35
  3. 45
  4. 17
  5. None of the above
 
8. HARD

What's the largest prime number less than 100?
 
9. HARD

Which of the following is a perfect square?

  1. 60
  2. 61
  3. 62
  4. 63
  5. 64
 
10. HARD

Which of the following is NOT a perfect square?

  1. 25
  2. 36
  3. 47
  4. 64
  5. 81


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More questions:
Symmetry  |   Using Secondary Data  |   Grade 4 Challenges  |   Guess-and-Check  |   Interconversion Within One System of Units