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Average Practice Questions - Page 5

Questions 41–48 of 48 · Page 5 of 5

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Q41The average weight of 4 men A, B, C and D is 67 kg. The 5th man E is included and the average weight decreases by 2 kg. A is replaced by F. The weight of F is 4 kg more than E. Average weight decreases because of the replacement of A and now the average weight is 64 kg. Find the weight of AMediumSolve →Q42Three years ago, the average age of a family of 5 members was 17 yr. Even after the birth of a child, the average is the same today. Find out the age of child.MediumSolve →Q43The average age of three boys is 15 yr. If the ratio of their ages is 3 : 5 : 7, what is the age of the oldest boy?MediumSolve →Q44The average age of 5 sisters is 20 yr. If the age of the youngest sister be 4 yr, what was the average age of the group of sisters at the birth of the youngest sister?MediumSolve →Q45The average of four positive integers is 73.5. The highest integer is 108 and the least integer is 29. The difference between the remaining two integers is 15. Which of the following is smaller of the remaining two integers?MediumSolve →Q46A batsman in his 16th innings makes a score of 60 and thereby increases his average by 3. What is his average after the 16th innings?MediumSolve →Q47The average age of 4 members of a family is 25 yr. If the head of the family is included in this group, then average age increases by 20%. Find out the age of the head.MediumSolve →Q48The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results ?MediumSolve →
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