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PYQs Set 1 (in Hindi)
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Ravi Prakash is teaching live on Unacademy Plus

Ravi Prakash
Passionate about chemistry learning and teaching! studying mechanical engineering from NIT ROURKELA Here to help you out. Feel free to ask!

Unacademy user
sir why is difference of time is in minutes not in hours
Sameer Sardana
5 months ago
Ratio does not have unit. You can take in min as well as in hrs. Answer will not get change. Try