Question

How many 2 digit numbers contain the number 7?
(A) 10 (B) 18 (C) 19 (D) 20

(Give with the explanation)​

Answer 1

Answer:

(B) 18

Step-by-step explanation:

follow numbers contain 7

----> 70,71,72, 73,74,75, 76,77,78, 79

17,27,37, 47,57,67, 77,87,97

Answer 2

Given:-

2 digit numbers contain the number 7

To find:-

How many 2 digit numbers contain the number 7?

Solution:-

2 digit numbers contain the number 7 = 17,27,37,47,57,67,70,71,72,73,74,75,76,77,78,79,87,97

Therefore,

18 numbers

Option = (B) 18