Question
A train got derailed and 1114th of the length of the train was found off the track. If the length of the train was 322 m, find out what length of the train was found off the track? What length of the train was still on track? [4 MARKS]
Answer: Option A
:
Steps: 2 Marks
Answers: 2 Marks
Given the length of the train is 322 m
Let x metres be the length that was found off the track. Then using unitary method we have
Or, x×1414=322×1114
Or, 14x=322×11
∴x=322×1114
=32214×11
=23×11
=253 metres
The total length of the train = 322 m
Total length of the train off the track = 253 m
So, the length of the train which was still on track = 322 - 253 = 69 m.
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:
Steps: 2 Marks
Answers: 2 Marks
Given the length of the train is 322 m
Let x metres be the length that was found off the track. Then using unitary method we have
Or, x×1414=322×1114
Or, 14x=322×11
∴x=322×1114
=32214×11
=23×11
=253 metres
The total length of the train = 322 m
Total length of the train off the track = 253 m
So, the length of the train which was still on track = 322 - 253 = 69 m.
Was this answer helpful ?
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