Round Trips & Time Ratios
Round trip और time ratio के sawaal
title
Round Trips & Time Ratios
- Boats & Streams
- Round Trips & Time Ratios
नमस्ते दोस्तों, कैसे हैं आप सब? चलिए आज की class शुरू करते हैं। आज की class में समझेंगे — Round trip और time ratio के sawaal। बिलकुल zero से, एकदम आसान भाषा में। चलिए शुरू करते हैं!
Scene 1/13
Interactive — learn by doing. Drag, tap and explore to build the intuition.
The current adds one way, fights the other
Downstream the stream pushes you (b + s); upstream it holds you back (b − s). Boat speed is their average; stream is half their difference.
12
downstream ↓ (b + s)
8
upstream ↑ (b − s)
b = (↓ + ↑)/2 = (12 + 8)/2 ; s = (↓ − ↑)/2
b = 10, s = 2
Given the two speeds, recover boat and stream by average and half-difference.