Question

4 7 3 =42 then 5 3 9 =?​

Answer 1

Answer:

51

Step-by-step explanation:

in 4  7  3  = 42:

if we add the digits (4 + 7 + 3 = 14 )

and multiply it by 3 ( 14 x 3 = 42 )

we  get 42 ( RHS )

similarly in 5 3 9:

if we add the digits ( 5 + 3 + 9 = 17 )

and multiply it by 3 ( 17 x 3 = 51 )

we get 51