Join ExamsbookAnswer : 4. "2"
If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x+y is equal to ?5
Q: If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x+y is equal to ?
- 15false
- 24false
- 33false
- 42true
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Answer : 4. "2"
Explanation :
Answer: D) 2 Explanation: Since 653xy is divisible by 5 as well as 2, so y = 0.Now, 653x0 must be divisible by 8.So, 3x0 must be divisible by 8. This happens when x = 2x + y = (2 + 0) = 2.