Question

How many odd numbers less than 10,000 can be represented using the digits 0?

Answer 1

Answer:

there are 5000 AUD in 5,000 even

Answer 2

Answer:

900

Step-by-step explanation:

odd number : without '0' in the end

the number less than 10000 contains 4 digits.

to find odds with zeros b/w : 1 - 9999

one digited : nil

two digited : nil

three digited : ★ 0 # ; ★ = 1 -9 ; #=1,3,5,7,9 : 9×5 = 45

four digited : ★ 0 # © and ★ 0 0 © and ★ #0 © ; ★ : 1-9 ; #:1-9 ; © : 1,3,5,7,9

hence the four digited = 9×9×5 + 9×5 + 9×9×5 = 855

therefore total such odds : 45 + 855 = 900