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Select the option that is related to the fifth number in the same way as the fourth number is related to the third number and the second number is related to the first number.
4862 : 6428 :: 3952 : 5392 :: 1758 : ?

  1. A
    8517
  2. B
    8765
  3. C
    3857
  4. D
    2593

Solution & Step-by-step Explanation

Let's look at the rearrangement of digits within the numbers:
4862 : 6428

Let positions of digits in 4862 be 1,2,3,4 (where 4→1, 8→2, 6→3, 2→4).

In 6428, the digits are arranged as: 6 (from position 3), 4 (from position 1), 2 (from position 4), 8 (from position 2).

So, position order changes from 1234→3142.

3952 : 5392

Original: 3(1),9(2),5(3),2(4)

Rearranged to 3142: 5,3,2,9 -> Wait, let's re-verify the given sequence: 5392.

Let's check the position rearrangement for 3952 : 5392:

5 is position 3

3 is position 1

9 is position 2

2 is position 4

So the rearrangement here is 3124.

Let's re-check the first pair 4862 : 6428 with this rule (3124):

Position 3 is 6

Position 1 is 4

Position 2 is 8

Position 4 is 2

That gives 6482. But the text says 6428. Let's look at another pattern: sorting or numerical relationship.

Alternative relation:

4862→ digits are 4,8,6,2. In 6428, they are just rearranged.

Let's check if it is descending order or some mathematical logic: No.

Let's look at a simpler position shift or swapping:

In 4862→6428: The last two digits 62 become the first and third? Let's check another way.

Let's list the positions of digits of ABCD→ output:

Pair 1: 4862→6428. (CADB)

Pair 2: 3952→5392. (CABD)

Wait, let's look at the options for 1758:

If it follows a similar pattern where the 3rd digit becomes 1st, and 1st digit becomes 2nd:

For 1758, 3rd digit is 5, 1st digit is 1. The number should start with 51.... None of the options start with 5.

Let's look at the options starting digit: 8517,8765,3857,2593. Two options start with 8.

If the first digit becomes 8 (which is the 4th digit):

Then the pattern is 4th digit comes to 1st position (D...).

Let's check Pair 1: 2 does not come to 1st.

Let's re-read the numbers carefully: 4862 : 6428 and 3952 : 5392.

Is there an addition/subtraction?

6428−4862=1566

5392−3952=1440 (Differences are not equal).

Let's check the sum of digits:

4+8+6+2=20→6+4+2+8=20

3+9+5+2=19→5+3+9+2=19

1+7+5+8=21.

Let's check the sum of digits of the options:

A) 8+5+1+7=21

B) 8+7+6+5=26

C) 3+8+5+7=23

D) 2+5+9+3=19

Only option A has a digit sum of 21!

Hence, by digit-sum conservation and digit matching (8,5,1,7 are the same digits as 1,7,5,8), Option A is the correct answer.

Practice this question

Try it yourself before checking the explanation above.

Select the option that is related to the fifth number in the same way as the fourth number is related to the third number and the second number is related to the first number.
4862 : 6428 :: 3952 : 5392 :: 1758 : ?
A
8517
B
8765
C
3857
D
2593

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