Question
The ratio of the speed of the boat in upstream to that
of in downstream is 7:10, respectively. If the speed of the current is 12 km/h, then find the speed of the boat in still water.Solution
According to the question: Let the speed of the boat in still water = x km/h Speed of the boat downstream = (x+12) km/h Speed of the boat upstream = (x−12) km/h According to the question, (x−12):(x+12)=7:10 10(x−12)=7(x+12) 10x−120=7x+84 10x−7x=84+120 3x=204 x=68 km/h
Which one of the following is not a soap?
The highest surcharge rate of 37% on income above 5 crores shall be reduced to ______ % under the new tax regime?
Which Article of the Constitution of India empowers a high court to issue a writ?
In the context of open economy, forex stands for which of the following?
In which year Shinzo Abe became the PM of Japan for the first time?
After India, which country was the second most significant arms importer in the world?
Where is the origin of Western Cyclonic Fever?
In the context of digital governance services, S3WaaS stands for:
In which financial year India signed the Extended Fund Facility Agreement with the IMF?
Which of the following countries is the largest producer of milk?
Relevant for Exams:
