How many four-digit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?

Answer 1

a = 2, 4, 6, 8,

b = 0, 5

c = 2, 3, 5, 7

d= 1, 3, 5, 7, 9

Answer 2

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Answer 3

You're welcome.

What answer did you get?

Answer 4

432