a person left house with speed 40 mile per hour.
His wife after 30 minutes left to catch him at a speed of 50
Miles Per Hour.
in what time she will catch.
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Answer / shyam
time (dist covrd by husband) (dist covrd by wife)
0.5hr 20 miles 0 miles
1 hr 40 miles 25 miles
1.5 hr 60 miles 50 miles
2 hrs 80 miles 75 miles
2.5 hrs 100 miles 100 miles
Therefore wife catches up after 2.5 hrs..
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