CTET
Government Jobs Exams
Logical Reasoning
General Mental Ability
Q. How many 4-digit numbers are there in the Hindu-Arabic Numeration system ?
Option
(1) 99
(2) 8999
(3) 9999
(4) 9000
Read Solution (Total 3)
-
- 4 digits number starts from 1000 & ends at 9999
so total no. of 4-digit numbers = (9999-1000)+1= 8999+1 = 9000
option(4) - 11 years agoHelpfull: Yes(2) No(1)
- 4 because it round up the number
- 9 years agoHelpfull: Yes(0) No(0)
- 9999-999=9000
- 3 years agoHelpfull: Yes(0) No(0)
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