Question
A swimmer can swim at a speed of 3.5 kilometers per hour
in still water. If the time taken to cover a certain distance upstream is 2.5 times the time taken to cover the same distance downstream, then find the velocity of the stream.Solution
Let the speed of boat in still water =B and speed of stream =S Distance =y Given -B=3.5km/h 
ATQ- 2(3.5+S) =5(3.5-S) 7+2S=17.5-5S 7S=10.5 S=10.5/7=1.5km/h
Find the word from the given options which has its meaning most similar to the phrase spruce up as used in the passage.
What was the timespan of the revolutionary period in Germany?
Which of these statements is definitely true according to the passage?
What according to the passage requires flawless economic administration?
Which of the following is opposite in meaning to the word 'advancement' occuring in the passage?
...In which two paragraphs has the use of money sent home from those working outside the village has been mentioned?
1) Paragraph 6 and Paragraph 2<...
Which factor played a significant role in leading to the German Revolution?
Statement: As per Norman Myers, not more than 6.8% of primary vegetation out of the original 182,500 sq km remains in the Western Ghats and Sri Lanka t...
Choose the correct statement regarding Quantum materials.
Which of the following is a near synonym of the word ‘persuasion’?
Relevant for Exams:
