What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
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total nos.with 1 or 9 = 14
total nos = 70
PERCENTAGE = 14 / 70 x 100
= 20 %
total nos = 70
PERCENTAGE = 14 / 70 x 100
= 20 %
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numbers which have 1 or 9 are 14
total numbers are 70
then percentage = 14/70 ×100 = 20 percent
total numbers are 70
then percentage = 14/70 ×100 = 20 percent
well done
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