For the following questions answer them individually
f time upstream = n $$\times$$ time downstream and speed in still water is 'x' and speed of stream is 'y', then find x : y.
When the number 42 is misread as 24, what is the percentage error?
Complete the series.
4, 5, 8, 15, 30, (…)
Three friends—P, Q and are living in the same locality. The house of Q is to the east of P's house, and R's house is to the south of P's house. What is the direction of R's house with respect to Q's house?
Find the total surface area of a hemispherical bowl of thickness 'd' and internal radius 'r'.
In which part of the body is thyroid gland situated?
A jar of milk contains 40% water. A part of it is replaced by another milk containing 19% water. Now the percentage of water is 26%. What quantity of milk was replaced?
Choose the Alternative that best replaces the question mark in the given figure?
Which of the following attractive forces exists between different layers of graphite?
The light rays that are used for eliminating bacteria in test tubes used in pathology labs are