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In this question, you’re given pairs of numbers, and you need to find out how the two numbers in each pair are related to each other.

For example:
 
• 1357 is paired with 60.
• 2468 is paired with 96.
• 3897 is paired with 180.
 
You need to figure out the pattern that connects the first number in each pair to the second number. Once you understand that pattern, you can apply it to find the missing pair.
One common technique in these types of problems is to add up the digits of each number. So, 
 
1. For 1357, the sum of the digits is:
 
1 + 3 + 5 + 7 = 16
 
This 16 might have something to do with 60.
2. For 2468, the sum of the digits is:
 
2 + 4 + 6 + 8 = 20
 
This 20 might be related to 96.
3. For 3897, the sum of the digits is:
 
3 + 8 + 9 + 7 = 27
 
And this 27 might be connected to 180.
now that we have the sums which are 16,20,27
1. Option (1): 5324 : 49
• Sum of digits = 5 + 3 + 2 + 4 = 14
• 14 x 3.5 = 49
2. Option (2): 6345 : 80
• Sum of digits = 6 + 3 + 4 + 5 = 18
• 18 x 4.44=79.92 ≈ 80
3. Option (3): 9218 : 100
• Sum of digits = 9 + 2 + 1 + 8 = 20
• 20 x 5 = 100
4. Option (4): 5566 : 120
• Sum of digits = 5 + 5 + 6 + 6 = 22
• 22 x 5.45 =119.9 ≈ 120

The only option that uses a consistent, whole-number multiplier is Option (3): 9218 : 100, where the sum of digits is multiplied by 5.

So, the answer is:
(3) 9218 : 100

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