How many different 2-digit numbers are there with the following property: each of them has at least one digit 7?

Question

asked Mar 16, 2021 103k views

1 Answer

Gautam Chibde · Answer 1 · 2021-03-21T16:25:27+0000

Answer:

18 numbers

Explanation:

These are all the two digit numbers with at least one 7.

17, 27, 37, 47, 57, 67, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 87, 97