27 girls complete an embroidery work in 10 days how many day will 18 girls take complete same work
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Answer:
15 days
Step-by-step explanation:
girls. . days
27. 10
18. x
it is inverse proprortion
27 : 18 : : x : 10
product of extreme= product of means
27×10 = 18× x
x= 27×10 ÷ 18
= 15 days
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