The Total solution for NCERT class 6-12
The management committee of a residential colony decided to awardsome of its members (say x) for honesty, some (say y) for helping and others(say z) for supervising the workers to keep the colony neat and clean. The sumof all the awardees is 12. Three times the sum of awardees for cooperation andsupervision added to two times the number of awardees for honesty is 33. If thesum of the number of awardees for honesty and supervision is twice the numberof awardees for helping others, using matrix method, find the number ofawardees of each category. Apart from these values, namely, honesty,cooperation and supervision, suggest one more value which the management mustinclude for awards.