A car covers four executive extension of 3km each at the speed of ,10km/hr,20km/hr,30km/hr,60km/hr . it's average speed of journey is ..?
Huskylover:
executive or consicutive
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Hello Dear!!! ^_^
Avg speed => total dist. traveled / total time taken
=> 10 + 20 + 30 + 60 / 1 + 1 + 1 + 1
=> 120 / 4
=> 30 km / h => 30 k.m.p.h.
Hope It Helps You!!!
Avg speed => total dist. traveled / total time taken
=> 10 + 20 + 30 + 60 / 1 + 1 + 1 + 1
=> 120 / 4
=> 30 km / h => 30 k.m.p.h.
Hope It Helps You!!!
oi
ur answr is wrong
ansr is 20
ok
total distance = 4*3=12
total time = 3÷5
u got it
12÷ (3÷5)= 20
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