Question

✔✔If 3*4 =5 and 2*5=root of 29 ,then the value of 6*8 is----

(Explanation need)

Answer 1

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Here, we have,
3 * 4 = 5.
2 * 5 = (29)^(1/2).

So, 6 * 8 = 10.

Explanation -

3 * 4 = ( 4^2 + 3^2) ^(1/2) = (16 + 9)^(1/2) = (25)^(1/2) = 5.
2 * 5 = (2^2 + 5^2)^(1/2) = ( 4 +25) ^(1/2) = (29)^(1/2)

Similarly, 6*8 = (6^2 + 8^2)^(1/2) = (36 + 64)^(1/2) = (100)^(1/2) = 10.

It was a mental ability question :)

Hope this helps,.

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