Question

31:34::19:?the answer is 28 please explain how​

Answer 1

the only possibility is that

difference of 34 and 31 is 3

and

difference of 28 and 19 is 9 which is its square

so,

it was a question of mental ability

not maths or ratio or proportion

Answer 2

Answer:

28

Step-by-step explanation:

: is meant as ratio and :: means is equal to

plz check the ans again and type a new ques..