Question

476xy0 is divisible by both 3 and 11. The non-zero digits in the hundreds and tens places are respective.

A 6 and 5 Correct Answer Incorrect Answer
B 7 and 3 Correct Answer Incorrect Answer
C 8 and 5 Correct Answer Incorrect Answer
D 2 and 4 Correct Answer Incorrect Answer

Solution

For it to be divisible by 3 X + y=4,7,10,13...                       .... (1) for it to be divisible by 11 10 + y – (7 + x) = 0 x-y=3                                          .... (2) From (1) and (2) and given options x = 8 and y =5 satisfies

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