Question

Choose the correct alternative that will continue the same pattern and replace 'x' in given series 1,2,6,15,31,56,x

A) 65 B) 78 C) 81 D) 92

Answer 1

the correct answer is option is B

Answer 2

Answer:

the correct answer is 65

Step-by-step explanation:

1. 2. 6. 15. 31. 56. 92

+1. +4. +9. +16. +25. +36

3. 5. 7. 9. 11