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Question 1
In a group of 10 people, when a person left and a new one of age 25 years joined the group, the average age of the group is decreased by 3 years. What was the age of the person who left?
Question 2
If the average of 9 consecutive positive integers is 55, then what is the largest integer?
Question 3
The total number of runs given by a bowler in a certain number of innings was 900. In the next match, he took 4 wickets and gave 256 runs. AS a result, his average (runs conceded/number of wickets taken) went up by 4 . How many wickets did the bowler totally take before the last match?
Question 4
The average marks obtained by 45 students in a class is 80. The difference between the marks of the student who got the highest mark and the student who got the least mark is 99 . If both these students are not considered, the average of the class falls by 1 mark. Find the highest mark.
Question 5
The average weight of 25 men is 62 kg. If five more men with average weight 87 Kg are added to the group then find the new average weight of all men?
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Jun 2CDS & Defence
