Question

The houses in a colony are numbered from 10 to 100. How many times does the digit 2 occur in house numbers?

Answer=19​

Answer 1

Answer:

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The numbers of the houses with digit two will be -

12,20,21,22,23,24,25,26,27,28,29,32,42,52,62,72,82,92

the total = 19

Answer 2

Answer:

The digit 2 will occur 18 times in the house numbers starting from 10 to 100 as: 12,20,21,22,23,24,25,26,27,28,29,32,42,52,62,72,82,92. Aakash EduTech Pvt

Step-by-step explanation: