Koi railgadi 120 kilometre Prati Hawa ki Raftaar se chal rahi hai tu 30 second Mein Kitni Doori Tak karegi
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Step-by-step explanation:
60 minutes me railgadi jati hai=120 kilometre
1minutes me railgadi jayegi= 120/60
= 20
tab
one second Mein railgadi Jayegi =20/60
=1/ 3 kilometre
30 second Meri gaadi Jayegi =10
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