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Chapter 4 Expressions using Letter-Numbers - Part 2

If m = 5, find the value of 3m − m.

Type: MCQ • Marks: 1
If m = 5, find the value of 3m − m.
Options
A. 15
B. -2
C. 20
D. 10
Explanation
3m − m = (3 − 1)m = 2m. Substituting m = 5 gives 2 × 5 = 10.
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Class 7th Ganita Prakash 1

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