Question
Test the divisibility of 5869473 by 11.

Answer

5869473A number is divisible by 11 if the the difference of the sums of the digits at the odd places and that at the even places (starting from ones place) is either 0 or a multiple of 11.
Sum of the digits at even places = 7 + 9 + 8
= 24
Sum of the digits in odd places = 3 + 4 + 6 + 5
= 18
Difference = 24 - 18
= 6
Since 6 is not divisible by 11, 5869473 is not divisible by 11.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free