Question

How many digits are there between 100 and 1000 whose digits are even?

Answer 1

$\bold\red{HE¥A\: FŘŇĐ}$
there are 48 digits whose digits are even ...
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.here's the trick to know..
difference between the digits..is 100
divide it by 2 as all even no. are divisible by 2 then there will be 50 numbers.....

leaving 100 and 1000 ther are 48 digits ....
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HOPE IT HELPS!!!!