Nadi me ek naw ki chaal 20km/h h or dusri ki 23km/h ek hi disha me ek sthan se ek hi time pr chlti h 3.5hr baad unke beach ki doori
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Answer:
10.5km
Step-by-step explanation:
pehli nadi ki chaal 20 km perti hour dusri ki 23km hour dono nadi oh me 3 km ka farak hai 1 hour me 3 km 2hour me 6km 3hour me 9km aur aadhe hour ghante me 1.5km is ko mila kr 10.5km bna hmara jwab hai
(10.5km)-ANSWER-
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