Question

How many times the digit 7 is present from 60 to 80​

Answer 1

Step-by-step explanation:

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Answer 2

$Numbers \: from \: 60 \: to \: 80 \\= \blue {61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,}\\\blue{77,78,79,80}$

$Numbers \: from \: 60\:to \:80 \: which \\ consists \: digit \: 7 \\= \orange{ 67,71,72,73,74,75,76,77,78,79}$

$\red{ Number \:of \:times \:digit \:7 \: present }\\\red{ from \:60\:to \:80} \green { = 11}$

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