1.

How many two digit numbers have digit ‘8’ in them?​

Answer»

Step-by-step explanation:

From 1 to 99 there are 99 numbers, out of which there are 9 one-DIGIT numbers, i.e., 1, 2, 3, 4, 5, 6, 7, 8 and 9. If one digit numbers are subtracted from 99 we get 90 two-digit numbers

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