RRB JE 25th May 2019 Shift-2
Instructions
For the following questions answer them individually
Question 51
f time upstream = n $$\times$$ time downstream and speed in still water is 'x' and speed of stream is 'y', then find x : y.
Question 54
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?
Question 55
Find the total surface area of a hemispherical bowl of thickness 'd' and internal radius 'r'.
Question 57
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?
Question 60
The light rays that are used for eliminating bacteria in test tubes used in pathology labs are
