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Questions and Answers
What is the value of 5 times 8 minus 3?
What is the result of $12 imes (7 - 4)$?
Which of the following is the closest to the value of $9 imes 13 + 7$?
What is the value of $15 imes (6 + 2) - 10$?
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Study Notes
Mathematical Operations
- The value of 5 times 8 minus 3 is calculated as 5 × 8 = 40, then subtract 3, resulting in 37.
Evaluating Expressions
- The result of $12 × (7 - 4)$ is calculated as 7 - 4 = 3, then multiply 12 by 3, resulting in 36.
Estimating Values
- The value of $9 × 13 + 7$ is approximately equal to 9 × 13 = 117, plus 7, resulting in 124.
Calculating Expressions
- The value of $15 × (6 + 2) - 10$ is calculated as 6 + 2 = 8, then multiply 15 by 8, resulting in 120, finally subtract 10, resulting in 110.
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Description
Test your knowledge of basic arithmetic operations and order of operations with these practice questions from the number system. These questions are designed to help you prepare for the number system section in SSC exams.
