self Maths Puzzle HR Interview Interview

Find the remainder when 77777..... (upto 37 digits) is divided by 19.

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7 is the remainder ? is it correct ?
8 years agoHelpfull: Yes(0) No(3)

77777...18 times is divided by 19.
77777....36 times is divided by 19.
hence 7 is remaining . so ans is 7
7 years agoHelpfull: Yes(0) No(0)

self Other Question

What is the remainder when 8100 is divisible by 17. ABCDEF is a six digit number divisible by 13. Which of the following will necessarily be divisible by 13?
1. 5(A - D) + 2(B - E) - 2(C - F)
2. 4(A - D) + 5(B - E) - (C - F)
3. 4(A - D) + 2(B - E) - 5(C - F)
4. 4(A - D) + 3(B - E) - (C - F)