Math, asked by nehatomar4543, 1 year ago

How many 2 digit numbers greater than 40 can be formed using the digits 1,2,3,4,5,6,7 when repetition is allowed

Answers

Answered by sathvika1118

4

twenty eight numbers

Answered by enagarjun1

2

Answer:

Step-by-step explanation:

41,42,43,44,45,46,47 there will be 7

there fore 7*4= 28

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