IQ Test: Only 5% Visual Genius Can Guess The Next Letter In This Series In 7 Seconds!

Here is a mind-boggling puzzle for you! All age groups, kids and adults can attempt this riddle. If you can crack this puzzle, consider yourself in the league of geniuses. The challenge is to complete this series of letters. Can you guess the letter that comes next after D in this puzzle? You will get 7 seconds to prove your brainpower. Ready?

Aug 14, 2025, 18:16 IST
Guess the letter, it's not E.
Guess the letter, it's not E.

Tricky puzzles and riddles are great to boost your logical thinking and wake your brain up. If you really need to stretch your mental muscles, then dare to take this puzzle IQ test. You will need a high level of intellect to crack this puzzle. Only about 5 per cent of people have been able to solve this mental challenge. 

This puzzle is a logic test. In just 7 seconds, this puzzle will reveal how fast your brain works. Do not take this puzzle for an easy one. This is really a hard one for those who are not good at solving logical reasoning. But this is also your chance to train your brain and get good at deduction and reasoning.

Here is a mind-boggling puzzle for you! All age groups, kids and adults can attempt this riddle. If you can crack this puzzle, consider yourself in the league of geniuses. The challenge is to complete this series of letters. Can you guess the letter that comes next after D in this puzzle? You will get 7 seconds to prove your brainpower. Ready?

IQ Test: Can you guess the next letter in the series in 7 seconds?

guess-the-letter-picture-puzzle

Let's begin. All you have to do is finish the series. In the image above, we can see the letters 'A, B, C, D' in a sequence with a blank at the end. 

Your challenge is to tell which letter comes after D in this series. The puzzle mentions that it's not E.

So what could it be? You must use your logical deduction skills and intelligence to arrive at the solution. Most people failed to do so.

Try to think creatively. Focus on the detail that the puzzle is trying say. It says it's not E. 

What will come in the series: A, B, C, D, _? 

If you figure out the solution in the given time, you must possess strong problem-solving skills, patience, attention to detail, and analytical thinking skills.

Focus on the question carefully. Think, think. Do not rush. But remember you have 7 seconds only to guess the letter.

Avoid all distractions at this point. If you must ace the puzzle, you must bring your A game.

Let's see if you can figure out the solution and claim your spot among the top 5 per cent of people who solved this puzzle.

This is a very good IQ test. So did you guess the letter?

Trivia Questions With Answers: You Are A Born Genius If You Can Score 100% In This General Knowledge Quiz!

Answer revealed!

The letter in this series in F. When placed on the blank line, it will form E. Wasn't that tricking? 

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Roopashree Sharma
Roopashree Sharma

Deputy Manager

Roopashree Sharma is a seasoned content writing professional with over 5 years of experience in digital journalism, specializing in education, science, trending, national and international news. She holds a degree in Journalism and Mass Communication and has contributed to leading media houses including Zee, Times, and India TV. Currently serving as Assistant Manager – Editorial at Jagran New Media, she writes and manages content for the General Knowledge (GK) section of the Jagran Josh (English) portal. For inquiries, contact her at roopashree.sharma@jagrannewmedia.com.

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