1
Question
The total number of 4 digit numbers is
(a) 8999
(b) 9000
(c) 8000
(d) 9999
(a) 8999
(b) 9000
(c) 8000
(d) 9999
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Solution
(b) 9,000
The smallest four-digit number is 1,000 and the largest four-digit number is 9,999.
∴ Total number of four-digit numbers = (9,999 − 1,000 ) + 1 = 9,000
The smallest four-digit number is 1,000 and the largest four-digit number is 9,999.
∴ Total number of four-digit numbers = (9,999 − 1,000 ) + 1 = 9,000
∴ Total number of four-digit numbers = (9,999 − 1,000 ) + 1 = 9,000
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