Question

Which of the following numbers are divisible by 11 and 9 respectively?

Answer 1

Answer:

ln 901 and 351

Sum of the digits in odd positions =9+1+5=15

sum of digits in a given position= 0+3+1=4

Difference=25-4=11

difference is a multiple of 11 so 901 and 351 is divisible by 11

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