The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmph?

The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmph? ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Asif al sami

none of these

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Institution: DUTCH-BANGLA BANK LTD Exam: Dutch-Bangla Bank Ltd - Probationary Officer - 14.08.2015 ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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