Simplification
1. Simplify: 15 + 8 × 3 - 12 ÷ 4
A. 33
B. 36
C. 39
D. 42
B. 36
2. Simplify: (3/4 + 2/3) ÷ (5/6 - 1/2)
A. 3/2
B. 17/8
C. 17/4
D. 5/2
C. 17/4
3. Simplify: 40% of 150 + 60% of 200 - 25% of 80
A. 150
B. 160
C. 170
D. 180
B. 160
4. Simplify: 2.5 × 0.4 + 1.8 ÷ 0.6 - 0.25 × 4
A. 2.0
B. 2.5
C. 3.0
D. 3.5
C. 3.0
5. Simplify: √64 + √144 - √81
A. 11
B. 12
C. 13
D. 14
A. 11
6. Simplify: 3(2x + 5) - 2(3x - 4) + 7x
A. 7x + 7
B. 7x + 23
C. 7x – 7
D. 7x – 23
B. 7x + 23
7. Simplify: 2³ × 3² ÷ 6² + 4²
A. 16
B. 18
C. 20
D. 22
B. 18
8. Simplify: [1 + 1/(1 + 1/2)]
A. 4/3
B. 3/2
C. 5/3
D. 7/4
C. 5/3
9. Simplify: 15 - [8 + {6 - (4 - 2)}]
A. 3
B. 5
C. 7
D. 9
A. 3
10. Simplify: (15 × 3 - 20 ÷ 4) + (8² - 7 × 5)
A. 45
B. 49
C. 69
D. 53
C. 69