Question

If the number 653xy be completely divisible by 80, then the value of (x + y) is : a) 2 b) 3 c) 4 d) 6
with explanation
ok please fast
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Answer 1

Answer:

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Step-by-step explanation:

Correct option is

D

6

Since 653xy is completely divisible by 80,y will be equal to 0

Now to find x, we will divide the number by 8, with the condition that the remainder is 0

On division, we get x=6, as  

8

6536

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=817

∴x+y=6+0=6.