Find the rule which gives the number of matchsticks required to make the matchsticks patterns of the letter Z. Use ‘n’ as a variable to write the rule.
A
2n
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B
2n+1
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C
3n
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D
3n+1
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Solution
The correct option is C 3n
The rule is 3n
From the figure, it can be observed that it will require
three matchsticks two make a Z therefore, the pattern is 3n.