Question

2+1=9,3+1=18,4+1=27,90+1=?​

Answer 1

Hello mate,

✏️The answer ✏️

2 + 1 = 9

3 + 1 = 18

4 + 1 = 27

90 + 1 = 801

Reason :- in the addition the first digit like 2 + 1 so 2 - 1 * 9 = 9

Same in 3 + 1

3 - 1 * 9 = 27

AND hence the answer is 801.

THANKS

STAY POSITIVE AND BE HAPPY :)

Answer 2

Answer:

81

Step-by-step explanation:

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