A man covers2of the total journey15 by train,9by bus and

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A man covers 2 of the total journey
15

by train, 9 by bus and the remaining
20
10 km on foot. His total journey (in km) is

1. 15.6
2. 24
3. 16.4
4. 12.8

Correct Option: B

Let the total journey be of x km, then

2x	+	9x	+ 10 = x
15		20

⇒ x −	2x	−	9x	= 10
	15		20

⇒	60x − 8x − 27x	= 10
	60

⇒	25x	= 10
	60

⇒ x =	60 × 10	= 24 km
	25