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Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

In village, Tahir had three long wires, whose measurements are 18 meters, 24 meters and 30 meters respectively. He want to measure all the wires,. The required length of great ruler to measure all these wires is:

8 meters

`0.8 meters

1.8 meters

18 meters