a) M + 2 to M + 7
b) MtoM+2
c) M + 5toM+10
d) M
where M is the rail length in meters.
Ans: a
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a) M + 2 to M + 7
b) MtoM+2
c) M + 5toM+10
d) M
where M is the rail length in meters.
Ans: a