Question

The mean of 1 ,2,7,12and x is 5 ,find x

Answer 1

Answer:

e answer is 34.

As we can see that in the first sum we have given the sum 1+4 and it's genuine answer is 5 according to the defined addition rule but if we will add 0 to 5 , then also the answer will be the same.Hence the sequence goes as such

1+4= 5+0=5

Now we will keep adding ‘the result which we have got in the preceding sum’ to the genuine answer which we are getting on adding the two given numbers.

So , 2+5 gives it's genuine answer as 7 but on

Answer 2

Answer:

$\huge{ \bold{ \mathfrak{ \red{x = 3}}}}$

plzz refer to the attachment...

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hope this helps you✌✌✌