Online Video Course section are under maintenance.Available in 24hours.Thank for supporting us.
Call us for more details
(+91) 9828728833 / 34
Mail us
info@neonclasses.com
Neon Location
Plot no- 21, Gopalpura Bypass Rd, Jaipur 302018
Login
× Home About us Courses Student Zone Test Series Books Study Material Videos PSC Discussion Blog Contact us Login Register

boat and stream

B
burmanbinay9784
asked on 10 month ago

boat and stream

sir ..here average speed is 12 (12+12/2) so if upstream speed is 9 then down stream speed must be 15 ..so %change is 40 but answer is 50 why

If you Have Any Questions Call Us On (+91) 9828728833