Question

please tell me friends​

Answer 1

Answer:

54.

Step-by-step explanation:

the hints direct as follows:

I. x > 50

ii. x < 60

iii. its tens digit is one more than ones digit , let's take the pair 5 , 4 .

iv. 5 + 4 = 9

Therefore number is 54.

Hope this helps.

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