The average of women and child workers in a factory was year. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were
A. 16
B. 12
C. 8
D. 6
Answer:D
The average of women and child workers in a factory was year. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were
A. 16 B. 12 C. 8 D. 6