Common Knowledge Trap — 15 “Obvious” Questions in 120 Seconds

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Common Knowledge Trap

Looks easy—until it isn’t. Bust popular myths and half-remembered “facts” with precise, well-worded questions and instant grading.

1 / 15

Which queen's reign is known as the Elizabethan era?

2 / 15

What is the plural of 'cactus' commonly accepted in English?

3 / 15

What is the value of π (pi) to two decimals?

4 / 15

Which planet is closest to the Sun?

5 / 15

What is the primary gas in the Sun?

6 / 15

Which is a palindrome?

7 / 15

Who is credited with discovering penicillin?

8 / 15

Which word is an oxymoron?

9 / 15

Which organ is primarily responsible for detoxifying chemicals in the body?

10 / 15

Peanuts are technically what type of food?

11 / 15

Where is the Suez Canal located?

12 / 15

Which explorer completed the first circumnavigation (his crew)?

13 / 15

Which is the only mammal capable of true sustained flight?

14 / 15

Where would you find the city of Reykjavik?

15 / 15

Mount Kilimanjaro is in which country?

“Common Knowledge Trap” looks friendly at first glance and then quietly checks your assumptions. You’ll face 15 cleanly written questions that target half-remembered facts, popular myths, and details people mix up. You have 120 seconds to get at least 8 right.

Each item gives four choices—one correct, three plausible. The interface stays out of your way so you can focus on the wording. Answers grade instantly, and your score updates as you go. After the round, scan your misses and try again; repetition here builds sharp instincts fast.

A few habits help: beware absolutes like “always” and “only,” check units and time frames, and prefer precise facts over common sayings. If two answers seem reasonable, eliminate the broader one and choose the one with the tighter definition. Think you won’t fall for the easy stuff? Press Start and prove it.

Note: This quiz has been fact-checked and reviewed by our Quiz Editorial Team to balance reliability with fun.