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Mathematical Operations - Questions and Answers

Practice questions on Mathematical Operations.

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6. 15 x 5 ÷ 3 + 1 – 1 = ?
A. -1
B. -2
C. 3
D. 1
E. None of these
Explanation: ANSWER : 1 Explanation : . 15 ÷ 5 – 3 x 1 + 1 = 3 – 3 x 1 + 1 = 1
7. 9 – 3 + 2 ÷ 16 x 2 = ?
A. 7
B. 5
C. 9
D. 6
E. None of these
Explanation: ANSWER : 7 Explanation : . 9 + 3 x 2 – 16 ÷ 2 = 9 + 3 x 2 – 8 = 9 + 6 – 8 = 7
8. 21 ÷ 8 + 2 – 12 x 3 = ?
A. 14
B. 9
C. 13.5
D. 11
E. None of these
Explanation: ANSWER : 9 Explanation : . After interchanging signs, the equation is 21 – 8 x 2 + 12 ÷ 3 = 21 – 8 x 2 + 4 = 21 – 16 ÷ 4 = 9
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