Question

84 : 23 :: 89 : 27 :: 64 : 42 :: 36 : ?

Answer 1

Answer:

product of all extreme= product of all mean

84*27*64*x=23*89*42*36

145152x=3095064

x=3095064/145152 =21

Answer 2

Answer:

Therefore, the next number would be 81.

Step-by-step explanation:

The given series :

84 : 23 :: 89 : 27 :: 64 : 42 :: 36 : ?

As we can see here is a pattern in the given data :

84 : 8 × 4 = 32 interchange the numbers =  23

89 : 8 × 9 = 72 interchange the numbers = 27

64 : 6 × 4 = 24 interchange the numbers = 42

36 : 3 × 6 = 18 interchange the numbers = 81

Therefore, the next number would be 81.

Learn more about the method to solve this reasoning :

https://brainly.in/question/13019207