Let, the speed of boat be u km/hour and speed of current be v km/hour Average speed = 2xy/(x+y) (here, x is speed of downstream and y is speed of upstream) = (2 (u+v)(u-v))/((u+v+u-v)) = (u2-v2)/u = (225-25)/15 = 40/3 km/hour IXAMBEE Method :- Average speed = (Total distance covered)/(total time taken) = (2×60)/9 =40/3 km/hour
In February 2022, West Bengal government launched an open-air classroomprogramme for students from Class 1 to 7, by the name ________.
If Q means ‘add to’, J means ‘multiply by’, T means ‘subtract from’, and K means ‘divide by’, then 30 K 2 Q 3 J 6 T 5 =?
...Limba Ram is associated with which sport?
Which album earned Ricky Kej his third Grammy Award?
In the year _____, G7 (Group of Seven) countries agreed to adopt new Digital Trade Principles to guide the group's approach to digital trade.
The COP is the supreme decision-making body of the United Nations Framework Convention on Climate Change. Which countries will host the COP 29 & COP 30?
A man can do a work in 20 days and a woman can do the same work in 30 days. In how many days will 2 men and 3 women do the work?
What is sublimation?
Which of the following is a biometric enabled digital service for pensioners launched by the Government of India?
Who among the following was a saint from Maharashtra?