Mumbai express runs from Chennai to Mumbai and covers a dustance of 1438 km. if it makes 167 runs in a year. Find an estimate of the totalbdistance it covers in a year
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Given : Mumbai express runs from Chennai to Mumbai and covers a distance of 1438 km.
it makes 167 runs in a year.
To Find : an estimate of the total distance it covers in a year
Solution:
total distance it covers in a year = 1438 * 167
Estimate = 1400 * 170
= 14 * 17 * 1000
= 238 * 1000 km
≈ 240 * 1000 km
≈ 240000 km
Exact = 1438 * 167 = 2,40,146 km
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