1. Give the correct order of operation in this expression: 45 ÷ 3 – 2 x 5 + 1
A. Division, Subtraction, Multiplication, Addition
B. Multiplication, Division, Addition, Subtraction
C. Division, Multiplication, Subtraction, Addition
D. Multiplication, Addition, Division, Subtraction
2. In the expression 3 x 10 – 9 ÷ 3 + 2, the last operation to be done is .
A. Addition
B. Subtraction
C. Multiplication
D. Division
3. In the expression 21 – 27 ÷3 + 10 x 2, the first operation to be performed
is .
A. Subtraction
B. Division
C. Multiplication
D. Addition

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