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7 pupils of average age

8 pupils of average age of 12yrs leave a class of 30pupils of average age 14yrs. If 6 new pupils of average age 11yrs join the
1. 1 answer
2. asked by The orange baboon
3. 405 views
7 pupil of average age 12 leaves a class of 25 pupils of average age 14years if 6 new pupils of average age 11years join the
1. 1 answer
2. asked by John
3. 260 views
The average age of a class of 20 pupils is 11years.if each of the 5 oldest pupils in the class is 14years old what is the
1. 1 answer
2. asked by Wisdom
3. 141 views
7 pupils of average age 12 years leave a class of 25 pupils of average age 14 years . If 6 new pupils of average age 11 years
1. 1 answer
2. 220 views
7 pupils of average age of 12 years leave a class of 25 pupils of average age 14 years. If 6 new pupil of average age 11 years
1. 1 answer
2. asked by Femex zee
3. 33 views
The average number of pupils who participated in the CCAS, Tennis and Floorball is 42. There are 8 more pupils in Tennis than in
1. 1 answer
2. asked by Ncm
3. 26 views
The average age of 24 pupils is 15 years while the average age of 16 pupils is 14 years.What is average age of 40 pupils in a
1. 2 answers
2. asked by kelvin
3. 529 views
In a class 20 pupils like science, 13 pupils like history,8 pupils like both subjects and 9 pupilz do no not like either
1. 3 answers
2. asked by Tiyamike
3. 594 views
The average number of pupils who participated in the CCA Tennis and Floorball is 42. There are 8 more pupils in Tennis than in
1. 1 answer
2. asked by Ncm
3. 25 views
To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many
1. 1 answer
2. asked by Joseph
3. 555 views