RRB NTPC · Question 2
Study the given pattern carefully and select the number from among the given options that can replace the question mark (?)
| 5 | 4 | 141 |
|---|---|---|
| 6 | 2 | 220 |
| 7 | 3 | ? |
Show answer & explanation
Answer: (C) 352
Explanation
Third column = (first)³ + (second)²: 5³ + 4² = 141 and 6³ + 2² = 220. So 7³ + 3² = 343 + 9 = 352.