RRB ALP 17th Aug 2018 Shift-3
For the following questions answer them individually
The average marks obtained by a group of 10 students were 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined, as a result of which the average marks of the group dropped a bit and became 20.6. What were the average marks obtained by the student who left and the one who joined?
Select the missing term based on the given related pair of letter clusters.
ABC : ZYX :: DEF : .........
Two water-squash mixtures, the first with a water-to-squash ratio of 5 : 1 and the latter with a ratio of 3 : 1 are blended in the ratio 3 : 2. What is the final water : squash ratio in the blend?
Junko sold an item for ₹ 220 at a loss of 12%. By how much should she have raised the
price to make a profit of 10%?
The given graph shows the distribution of minerals in the human body.
Which two minerals are required almost in the same percentage for the human body?
