Question
How many figures (digits) are required to number a book containing 250 pages?
Alternate Method: Remember that digits used to write 1 to 100 = 192 digits & from 101 to 250, there are 150 numbers & all are of 3 digits hence 450 digits are used. Hence total digits required to write 1 to 250 = 192 + 450 = 642 digits More No. System Questions
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- What is the greatest four-digit number that leaves remainders 1, 2 and 3 respectively when divided by 2, 3 and 4?
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