The average weight of 4 persons is 44 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
The average weight of five friends A, B, C, D and E is (x+5) years while the average weight of C and E is (x-5) kg. If the weight of another person F is...
There are 15 numbers such that average of first 12 numbers is 50 while the average of last five numbers is 60. Find the 12th number, if the ratio betwee...
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
If the average of 38, 49, 42, and 'b' is 50, then find the value of '2b'.
The average score obtained by 28 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The average score of five students is 24. When the scores of two additional students are included, the average drops by 2. What is the combined total o...
The average age of 15 girls is 45 years. If the age of one more girl is added the average decreases by half a year. What is the age of new girl?
The combined average number of pens with persons ‘B’ and ‘C’ is 75% of the combined average number of pens with persons ‘A’ and ‘D’. The...
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