Math, asked by tapanalpana0100, 5 months ago

please answer this question one by one and step by step instructions

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Answered by NiyaSurve

9

a]6.30 16.80 = 63 168 = 63 ÷ 21 168 ÷ 21 = 3 : 8 (H.C.F. of 63 and 168 is 21.)

b] 21 days : 30 days

21/30÷3=7/10 (HCF=3)

RATIO=7:10

c]3×100+5/35

305/35=61/7

Ratio=61:7

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