Raj wanted to type the first `200` natural numbers,how many times does – InterviewSolution

InterviewSolution

1.	Raj wanted to type the first `200` natural numbers,how many times does he have to press the keysA. 400B. 365C. 492D. 489
Answer» Correct Answer - C (i) Count the number of digits appear from 1 to 200, when written at a stretch. (ii) For each single, double and triple digit number we have to press keys once, twice and thrice respectively. (iii) There are 9 single digit , 90 double digit and 101 triple digit number from 1 to 200.

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