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Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number results in the second number. Simila
Question

Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number results in the second number. Similarly, certain mathematical operation(s) on the second number results in the third number and so on. Which of the given options follows the same set of operations as in the given sets?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding / subtr acting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
5 – 25 – 35 – 55; 13 – 169 – 179 – 199

A.

14 – 156 – 222 – 242

B.

17 – 289 – 299 – 319

C.

12 – 144 – 322 – 442

D.

4 – 16 – 28 – 38

Correct option is B

Information Given:
Set1: 5 → 25 → 35 → 55
Set2: 13 → 169 → 179 → 199
Logic:
1st → 2nd: square (n²)
2nd → 3rd: +10
3rd → 4th: +20
Step-by-step:
5² = 25 → 25 +10 = 35 → 35 +20 = 55
13² = 169 → 169 +10 = 179 → 179 +20 = 199
Check options:
A: 14² = 196 ≠ 156 ✘
B: 17² = 289 ✔ → 289 +10 = 299 ✔ → 299 +20 = 319 ✔
C: 12² = 144 ✔ but 144 +10 ≠ 322 ✘
D: 4² = 16 ✔ → 16 +10 = 26 ≠ 28 ✘
Final Answer:
17 – 289 – 299 – 319
Final Correct Option:
B

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