How many sticks each of length 35 cm should be used to achieve total length of 140 cm if joined end to end?

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Solution

The correct option is C 4
Length of a single stick = 35 cm
Length of 2 sticks together = 35 + 35 = 70 cm
Length of 3 sticks together = 35 + 35 + 35 = 105 cm
Length of 4 sticks = 35 + 35 + 35 +35 = 140 cm.
So, 4 sticks together will be able to achieve total length of 140 cm.

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