21. Simplify: 6 + 3 × (4 + 2) ÷ 3.
a) 10
b) 12
c) 15
d) 14
The correct answer is: B
22. Evaluate (7 + 3) × (6 ÷ 2)
a) 20
b) 18
c) 30
d) 25
The correct answer is: C
23. What is the result of 16 ÷ 4 + 5 × 3?
a) 25
b) 24
c) 19
d) 22
The correct answer is: C
24. Simplify: (3 + 5) × (8 − 3)
a) 40
b) 45
c) 42
d) 50
The correct answer is: A
25. What is the value of (7 + 3) × 5 ÷ 2?
a) 27
b) 28
c) 30
d) 25
The correct answer is: D
