Question

7,26,63,124,215,?,511​

Answer 1

Answer:

342

Step-by-step explanation:

${2}^{3} = 8 - 1 = 7$

${3}^{3} = 27 - 1 = 26$

${4}^{3} = 64 - 1 = 63$

similarly

${7}^{3} = 343 - 1 = 342$