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Doubt in no. system

 
Yash Vardhan
(@yashv098)
New Member

How come the answer is 15 , in fact by cross checking the answer can not be 15 If you can clear it out

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Topic starter Posted : 19/07/2022 1:14 pm
Rahul Singh
(@rahul)
Admin

Hi,

if we substitute x= 1 and y = 5 in (y+4+0)-(7+x+1), 

we get the (5+4+1)-(7+1+1) = 9-9 = 0

0 is divisible by 11. Hence the missing digits are 1 and 5.

 

I hope this helps. Happy learning!

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Posted : 23/08/2022 11:40 pm
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