7.
A Class of 20 boys and 15 girls is divided into n groups so that each group
has x boys and y girls. Find x,y and n.
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Answer:
HCF of 20 & 15= 5 so, n = 5 if x= no. Of boys then 20/5 =4, if y= no. Of girls then 15/5 = 3 so, x=4,y=3. Hope it helped you..
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