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Quantitative Aptitude Practice #9
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Question 1
The average age of a group of friends is 34 years. If 5 new friends with an average of 30 join the group, the average of the new group become 32 years. How many people were there in the group initially?
Question 2
A person earned an average of Rs 1,600 per month from January to June. Then he earned Rs 1,500, Rs 1,800, Rs 1,900 and Rs 2,150 respectively during the months of Jult through October. During November he earned 50 % of what he earned in December. If his average for the entire year is Rs 1,600, find the earnings for November.
Question 3
A batsman scored an average of 55 runs in the first 6 tests. If the first test is not counted and the seventh test is counted then his average score goes upto 57 runs. If the score in the first test was 50, find the score in 7th test.
Question 4
Pavan calculates his profit on selling price and finds it to be 
%. What is his actual profit %?
%. What is his actual profit %? Question 5
The average age of 5 boys is 19 years. A new boy joins them and their average age increases to 20 years. What is the age of the new boy?
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Jul 3CAT & MBA
