Ek a ek ghante Mein Saath kilometre gadi chalta hai to 90 kilometre me kitne gadi chalega
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7km.........1hr me
1km.........1/7hr me
90km......90/7 hr me
=12 6/7 hr Mai
or,
D=7km time=1hr
speed=7 km/hr
now,
s=7 km/hr D=90km
so the time =90/7 hr
=12 6/7 hr
1km.........1/7hr me
90km......90/7 hr me
=12 6/7 hr Mai
or,
D=7km time=1hr
speed=7 km/hr
now,
s=7 km/hr D=90km
so the time =90/7 hr
=12 6/7 hr
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