What is the missing number in the sequence: 5, 11, 17, ?, 29?
Category: Math · Difficulty: hard
Hint: Find the difference between consecutive numbers.
Answer
23
Explanation
The difference is consistently 6, so after 17, the next number is 23.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 23.
More Math riddles
- I can repeat infinitely but I am not alive. I help create rhythm. What am I?
- I am the same in every equation, yet my value is often a topic of fascination. What am I?
- I can signify growth yet remain static, I can be a measure but not a tangible thing. What am I?
- I am a statement that can be true or false, I can guide decisions but might cause a loss. What am I?
- I can be a sum or a difference, but I am not alive. What am I?
- I can represent distance or weight, but I am not tangible. What am I?
- I am essential for calculations but have no form. What am I?
- I am the sum of my parts; my digits add up to me. What am I?