Math, asked by Vijaygee3631, 8 months ago

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

Answers

Answered by chiragmongia
0

Step-by-step explanation:

an=998

a=102

d=104-102=2

an=(a+(n-1)*d)

998=102+(n-1)2

896=2n-2

898/2=n

n=449

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