**Question 1:**
Solve: $\sqrt{16}+\sqrt{25}$

**Question 2:**
Solve: ${2}^{2}\cdot {3}^{2}\cdot {5}^{2}$

**Question 3:**
Which of the following sets of numbers are factors of $54$
?

**Question 4:**
Which of the following sets of numbers are factors of $46$
?

**Question 5:**
Which of the following sets of numbers are prime numbers?

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