if the number 452xy be completely divisible by 60, the value of (x+y) is ?
options are :-
1)8
2)6
3)3
4)1
5) none of these
according to my answer sheet the answer is 4th option that is 1, but i am not satisfy.
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my opinion:-
60 = 6*10
then last digit of 452xy is 0 it means y is 0. then x must be a number by that 452xy completely divisible by 60. I think x will be 4. so (x+y)= (4+0)= 4
Answer is 5th option None of these.