Question

in writing 1 to 199 integers how many times 1 is used​

Answer 1

Counting the digits:

We have to find the number of 1s used in writing 1 to 199 integers.

Let us move to answering:

Range Numbers of 1s

1 - 9 1

10 - 19 11

20 - 29 1

30 - 39 1

40 - 49 1

50 - 59 1

60 - 69 1

70 - 79 1

80 - 89 1

90 - 99 1

100 - 109 11

110 - 119 21

120 - 129 11

130 - 139 11

140 - 149 11

150 - 159 11

160 - 169 11

170 - 179 11

180 - 189 11

190 - 199 11

∴ the total number of 1s used is 140.

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Answer 2

Hello Mate ❤

140 times 1 come in between 1 to 199 integers .

Mark as brainliest ♥❤♥