# 1.5.1 Rational Numbers (Basic Questions), PT3 Practice

 
    
Question 1:
 Solve 8 × 2 ÷ 4 + 12.
 

 Solution:
 
8 × 2 ÷ 4 + 12
 = 16 ÷ 4 + 12
 = 4 + 12
 = 16
 
 
 
 
    
Question 2:
 Solve 7(6 + 5) – 3(13 – 9).
 

 Solution:
 
7(6 + 5) – 3(13 – 9)
 = 7(11) – 3(4)
 = 77 – 12
 = 65
 
 
 
 
    
Question 3:
 Solve 64 + (136 – 87) × (28 ÷ 4).
 

 Solution:
 
64 + (136 – 87) × (28 ÷ 4)
 = 64 + 49 × 7
 = 64 + 343
 = 407
 
 
 
 
   
Question 4:
 Solve 84 ÷ 4 – 9 + 6 × 7
 

 Solution:
 
84 ÷ 4 – 9 + 6 × 7
 = 21 – 9 + 42
 = 12 + 42
 = 54
 
 
 
 
   
Question 5:
 Solve 92 + 13 × 5 – 42
 

 Solution:
 
92 + 13 × 5 – 42
 = 92 + (13 × 5) – 42
 = 92 + 65 – 42
 = 157 – 42
 = 115
 
 
 
 

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