1.
Average weight of a group of 6 girls is 26. If we
replace a girl of weight 30 in the group with
another girl so that new average increases by 5.
Find the weight of new girl.
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Answer:
Step-by-step explanation -
total weight before= 26*6= 156
when the new girl came= 156-30=126
weight of the new girl= 156-126=30
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