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Two sets of four numbers are given below. In each set of four numbers, a certain mathematical operation on the first number results in the second number. Similarly, a certain mathematical operation on the second number results in the third number and so on.

Which of the options given below follow the same set of mathematical operations?

29 – 841 – 752 – 784

31 – 961 – 872 – 904

VRML is related to NMJQ in a certain way based on the English alphabetical order. In the same way, QWGT is related to IRDY. Which of the following is the correct pair using the same logic?