Question
A man takes 2.2 times as long to row a distance upstream
as to row the same distance downstream. If he can row 55 km downstream in 2 hours 30 minutes, what is the speed of the boat in still water?Solution
DownstreamUpstream Time-5:11=>2.2=22/10=11/5 Speed- 11:5 Let the Downstream Speed=11x and upstream speed =5x Now ATQ- 11x =55/2.5 X=2 Speed of boat in still water =(11x+5x)/2 =16x/2=8x =8×2=16km/h
In which year was the Pradhan Mantri Matsya Sampada Yojana (PMMSY) initiated?
World Human Right Day is observed on
National Cancer Awareness Day is noticed annually on?
Which sector is targeted by the ₹1129.30 crore Sustainable Development of Horticulture scheme?
“It is primarily a crop of mid-latitude grasslands. It requires moderate rainfall with the highest annual rainfall limit of 100 cm. Th e ideal climate...
Mohiniattam is the classical dance form of which Indian state?
Which of the following are the discretionary powers given to the Governor of a State in India?
(I) Reserving certain bills passed by the State Le...
Which mineral is predominantly found in the Amarkantak plateau in Chhattisgarh?
Identify the longest national highway in India.
In May 2019, the International Monetary Fund agreed to bail out ______with a fund of $6 billion.
Relevant for Exams:
