ICSE Class 6 Answered
How many 4digit numbers r there between 999 &3000
How many 4digit numbers r there between 99 and 3000
Asked by preetm2505 | 04 Apr, 2019, 00:20: AM
Expert Answer
4 digit numbers between 999 and 3000 are
1000, 1001, 1002, .... , 2999
Here a = 1000, d = 1001 - 1000 = 1 and an = 2999
We know that,
an = a + (n - 1)d
→ 2999 = 1000 + (n - 1)1
→ 1999 = n - 1
→ n = 2000
Therefore 4 digit numbers between 999 and 3000 are 2000.
Answered by Yasmeen Khan | 04 Apr, 2019, 09:15: AM
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