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The average number of pupils

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
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2. asked by The orange baboon
3. 466 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
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2. asked by John
3. 334 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
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2. asked by Wisdom
3. 207 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
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2. asked by Ncm
3. 67 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
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2. asked by Ncm
3. 65 views
In a large school, it is possible to divide the pupils into groups of equal numbers of 24,30 and 32 and have no pupils left
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2. asked by Gideon
3. 603 views
The cost of maintaining a school is partly constant and partly varies as the number of pupils with 50 pupils the cost is
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2. asked by Desire
3. 166 views
i'm not sure how this question worksthe number of hours (h) taken to paint a picture is inversely proportional to th number of
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2. asked by hayley
3. 682 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
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2. 296 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
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2. asked by Femex zee
3. 75 views