Question
The speed of current is 25 km/hr. If the speed of the
boat in still water had been 5 km/hr more than the original speed, then it would take 4 hours to cover 240 km in downstream. Find the original speed of the boat in still water (in km/hr).Solution
ATQ, Let the speed of the boat in still water be ‘x’ km/hr. According to the question, (x + 5 + 25) = 240 / 4 Or, x + 30 = 60 So, x = 60 - 30 = 30 km/hr
In dryland agriculture, contingency cropping is due to
Rhizoctonia solani causes a tuber borne disease of potato, called
Which type of average would be suitable to calculate the size of agricultural holding?
Serpentine leaf miner is a common pest of which crop?
"Food" means any substance that is:
Which state has been announced as the top-performing state in the fifth State Food Safety Index?
What is the standard deviation used for in statistics?
Scalping is also known as
Mid season pear cultivars for high hills of Himachal Pradesh are
A. Bartlett
B. Starkrimson
C. Flemish Beauty
D. Conference<...
Fruit for making jelly should be rich in
Relevant for Exams:
