Question

121 : 12 : : 64 : ?​

Answer 1

Answer:

The rule is: a+b=(a+b2)2

3+5=(3+52)2 etc.

∴11+3−(11+32)2−49

Step-by-step explanation:

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Answer 2

Answer:

=> $x=6.3471$

Step-by-step explanation:

Given that:-

$121 : 12 : : 64 : ?$

To find: The missing number,

Let, the missing number be $x$

=> $121 : 12 : : 64 : x$

In terms of fraction it is written as:

$=> \frac{121}{12}=\frac{64}{x}$

Using cross multiplication,

$=> 121x=12\times 64$

Multiply the numbers $12$ and $64$, we get

By further calculations, we get

=> $121x=768$

Divide both sides by $121$,

=> $x=6.3471$

Hence, the required solution is 6.3471