4. The following is the age distribution of 1,000 persons working in a large industrial house: Age - group No. of persons Age-group No. of persons 20-25 30 45-50 105 25-30 160 50-55 70 30-35 210 55-60 60 35-40 180 60-65 40 40-45 145 Due to continuous heavy losses the management decides to bring down the strength to 30% of the present number according io the following scheme : (i) To retrench the first 15% from the lower (ii) To absorb the next 45% in other branches. (iii) To make 10% from the highest age group retire permanently, if necessary. Calculate the age limits of the persons' retained and those to be transferred to other departments. Also find the average age of those retained. group. :.

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4. The following is the age distribution of 1,000 persons working in a large
industrial house :
Age - group
No. of persons
Age-group
No. of persons
20-25
30
45-50
105
25-30
160
50-55
70
30-35
210
55-60
60
35-40
180
60-65
40
40-45
145
Due to continuous heavy losses the management decides to bring down the strength to
30% of the present number according io the following scheme :
(i) To retrench the first 15% from the lower
(ii) To absorb the next 45% in other branches.
group.
(iii) To make 10% from the highest age group retire permanently, if necessary.
Calculate the age limits of the persons' retained and those to be transferred to other
departments. Also find the average age of those retained.
:.
Transcribed Image Text:4. The following is the age distribution of 1,000 persons working in a large industrial house : Age - group No. of persons Age-group No. of persons 20-25 30 45-50 105 25-30 160 50-55 70 30-35 210 55-60 60 35-40 180 60-65 40 40-45 145 Due to continuous heavy losses the management decides to bring down the strength to 30% of the present number according io the following scheme : (i) To retrench the first 15% from the lower (ii) To absorb the next 45% in other branches. group. (iii) To make 10% from the highest age group retire permanently, if necessary. Calculate the age limits of the persons' retained and those to be transferred to other departments. Also find the average age of those retained. :.
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