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Brain Games Quizzes and Trivia Questions
Brain Games offers original puzzles in counting, patterns, and deduction. Each question states the rule or the information you need so that the answer follows logically. Try a solution before revealing the worked explanation, then check every condition instead of relying on a first impression.
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Major Brain Games subtopics
- Logic
- Patterns
- Riddles
- Mental arithmetic
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Brain Games questions and answers
Try each question before opening its answer and explanation.
1. A sequence starts at 3 and adds 4 each time: 3, 7, 11. What comes next?
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2. A bag contains only red and blue counters. What is the fewest you must draw to guarantee two of one colour?
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Answer: Three
After two draws you could have one of each; the third must match one.
Source: QZify: original worked puzzle
3. All zibs are lums. All lums are naks. Must every zib be a nak?
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Answer: Yes
Membership carries through both statements, so zibs belong to the nak group.
Source: QZify: original worked puzzle
4. Four people each shake hands with every other person once. How many handshakes occur?
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Answer: Six
Each person meets three others: 4 × 3 = 12, then divide by two to avoid counting pairs twice.
Source: QZify: original worked puzzle
5. A clock shows 3:00. What is the smaller angle between its hands?
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Answer: 90 degrees
The hour hand points to 3 and the minute hand to 12, one quarter of a full turn apart.
Source: QZify: original worked puzzle
6. A number is greater than 10, less than 20, divisible by 3, and even. What is it?
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Answer: 12 or 18
Both numbers satisfy every condition; the clues do not specify a unique answer.
Source: QZify: original worked puzzle
Keep practising
More Brain Games practice questions
These questions come from the live QZify category pool. The selection refreshes periodically.
1. One hundred closed lockers are toggled on passes numbered 1 to 100. Pass n toggles every nth locker. How many lockers remain open?
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Answer: 10
2. A cube is painted on every face and cut into 64 equal smaller cubes. How many small cubes have paint on exactly two faces?
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Answer: 24
3. In Chess, the Queen has the combined movement of which two pieces?
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Answer: Bishop and Rook
4. What is the sum of all the tiles in a standard box of Scrabble?
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Answer: 187
5. A password uses one letter followed by two different digits. If 26 letters and digits 0-9 are allowed how many passwords are possible?
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Answer: 2340
6. How many tiles are in a standard double-six domino set?
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Answer: 28
7. How many squares of all sizes are present on a standard 8 by 8 chessboard?
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Answer: 204
8. A lift serves 8 floors. In how many ways can it make exactly two distinct stops in increasing order?
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Answer: 28
9. How many times do the hour and minute hands overlap in a 12-hour period?
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Answer: 11
10. Each term is double the previous term minus one. What comes next: 4 7 13 25 49?
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Answer: 97
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