Question

hou may 2 digit numbers have tens digit smaller than the unit digit. को की कितनी संख्याओं में दहाई का अक इकाई से कम​

Answer 1

Answer:

eg of this question is 26,12,13,14,15,16,17,18,19,23,24,25,26,27,28,29,34,35,36,37,38,39,45,46,47,48,49,56,57,58,59,67,68,69,78,79,89

Step-by-step explanation:

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Answer 2

Answer:

49

Step-by-step explanation:

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