Question

What will come in place of the question mark (?) in each of the following series?

21, 25, 52, 68, 193, ?

• A. 391
• B. 139
• C. 200
• D. 211
• E. 229

Answer 1

The correct option is E 229

The pattern followed here is $+2^2,+3^3,+4^2,+5^3,+6^2,\cdots$