A student wrote all the numbers from 1 to 1000
How many numbers did the student write?

1000.

The number of whole numbers present between two given whole numbers, the extremes inclusive is given by the following formula: Y – X + 1
Y = 1000 and X = 1
Now, Y – X = 1000 – 1 = 999
Then, Y – X + 1 = 999 + 1 = 1000


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