श्रृंखला को पूरा करने के लिए प्रश्न चिह्न (?) के स्थान पर कौन सा अक्षर आना चाहिए? B, D, G, K, P, ?

Complete the following series: 7, 15, 29, 59, 117, ______

Which number should come in place of the question mark (?) to make the series logically complete? 527 524 529 522 531 ?

Refer to the following series and answer the question (all numbers are single-digit numbers only). (Left) 8 6 5 6 7 2 5 9 8 6 3 2 3 3 4 4 4 6 1 4 4 1 4 5 2 6 6 (Right) How many such even numbers are there (from left to right) each of which is immediately preceded by an odd number and also immediately followed by an odd number?