3.
16. A train travels 45 km every hour for the first 3 hours after leaving a station. After that 2. W
travels 50, km every hour for the next 24 hours.
What distance does the train travel duri
the six hours?
17. In a colony, people have three types of vehicles-scooters, cycles and cars. Two-thirds 4.
the vehicles are scooters. Of the remaining vehicles three-fourths are cycles. What fractic 5.
of vehicles are cars? If the total number of vehicles is 4 836, how many cars are there 6.
the colony?
Answers
Answered by
1
Answer:
Step-by-step explanation:
Let the total distance travelled be x km Then total time taken =
10
x/3
+
20
x/3
+
60
x/3
=
30
x
+
60
x
+
180
x
=
180
6x+3x+x
=
180
10x
=
18
x
hrs Then average speed = =
Totaltimetaken
Totaldistancetravelled
=
x/18
x
km/hr = 18 km/hr
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