Math, asked by singveeru04, 1 year ago

एक नाव धारा के विरुद्ध 7 किमी जाने में 42 मिना
है। यदि धारा का वेग 3 किमी/घण्टा हो, तो शान्त जल
नाव की चाल होगी?

Answers

Answered by vikashamr2621
3

Answer:

in case of downstream

speed = speed of boat - speed of stream

so according to question 7/(x-3)=

42/60 hr.

by solving the above equation we get the value of x=13

so in still water speed = 13kmph

Similar questions