What will come in the place of questions (?) mark in following number series.…
2021
What will come in the place of questions (?) mark in following number series.
81, 72, 136, 111, ?, 278
- A.
325
- B.
347
- C.
323
- D.
327
- E.
321
Attempted by 14 students.
Show answer & explanation
Correct answer: D
The pattern alternates subtracting squares and adding cubes: -3², +4³, -5², +6³, -7². So the missing number is 327.