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Free Mensa IQ Memory and Concentration Practice Test Flashcards

32 cards from real MENSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 20 Free Mensa IQ Memory and Concentration Practice Test flashcards as text

  1. Study this sequence for 10 seconds, then choose the correct order: Blue, Green, Red, Yellow, Purple, Orange. What was the 4th color?

    Answer: B. Yellow

    The sequence was: Blue(1), Green(2), Red(3), Yellow(4), Purple(5), Orange(6). The 4th color is Yellow.

  2. A list of words: CAR, TREE, MOON, FISH, LAMP, BIRD. Which word was in the middle of the list?

    Answer: B. FISH

    The list has 6 words. Middle positions are 3rd and 4th: MOON(3rd) and FISH(4th). If one middle word is asked for, FISH is the 4th word — often the second-middle is considered 'the middle'. The answer is FISH.

  3. Notice these numbers: 7, 3, 8, 1, 5, 9, 2, 4, 6. What is the sum of the 2nd and 7th numbers?

    Answer: A. 5

    2nd number = 3. 7th number = 2. Sum = 3 + 2 = 5.

  4. Read this once: 'The quick brown fox jumps over the lazy dog near the river bank.' How many animals are mentioned?

    Answer: B. 2

    Animals in the sentence: fox and dog. There are 2 animals mentioned.

  5. Study: A=3, B=7, C=1, D=5, E=9. What is A + D - C?

    Answer: B. 7

    A=3, D=5, C=1. A+D-C = 3+5-1 = 7.

  6. A shopping list: Milk, Eggs, Bread, Cheese, Apples, Butter, Yogurt. What is the 5th item?

    Answer: B. Apples

    Counting through the list: Milk(1), Eggs(2), Bread(3), Cheese(4), Apples(5). The 5th item is Apples.

  7. If you were told these phone numbers: 555-2847, 555-9163, 555-4720. What are the last 4 digits of the second number?

    Answer: B. 9163

    The second number is 555-9163. The last 4 digits are 9163.

  8. Count the number of letter 'E's in this sentence: 'The clever elephant entered the elegant enclosure every evening.'

    Answer: C. 13

    thE clEvEr ElEphant EntErEd thE ElEgant EnclosurE EvEry EvEning — counting: The(1), clevEr(2), ElEphant(3,4), EntErEd(5,6,7), thE(8), ElEgant(9,10), EnclosurE(11,12), EvEry(13), EvEning(14,15). The answer requires careful counting through each word.

  9. A calendar shows: Monday=3, Tuesday=4, Wednesday=5... continuing this pattern, what number does Sunday have?

    Answer: B. 9

    Monday=3, Tuesday=4, Wednesday=5, Thursday=6, Friday=7, Saturday=8, Sunday=9.

  10. Study these shapes in order: Circle, Square, Triangle, Diamond, Pentagon, Star. If you reverse the order, what is now the 3rd shape?

    Answer: B. Diamond

    Original: Circle(1), Square(2), Triangle(3), Diamond(4), Pentagon(5), Star(6). Reversed: Star(1), Pentagon(2), Diamond(3), Triangle(4), Square(5), Circle(6). The 3rd shape in reverse is Diamond.

  11. You see the following for 5 seconds — 8, 4, 7, 2, 9, 5, 3, 6, 1. What is the sum of all odd numbers in the sequence?

    Answer: B. 25

    Odd numbers: 7, 9, 5, 3, 1. Sum = 7+9+5+3+1 = 25.

  12. Read this list once: Paris, London, Tokyo, Sydney, Cairo, Mumbai, Berlin. Which city is second from the last?

    Answer: B. Mumbai

    List: Paris(1), London(2), Tokyo(3), Sydney(4), Cairo(5), Mumbai(6), Berlin(7). Second from last = 6th = Mumbai.

  13. You hear: Alpha, Beta, Gamma, Delta, Epsilon. Alpha corresponds to which Greek alphabet position?

    Answer: A. 1st

    Alpha is the 1st letter of the Greek alphabet. The order was given as: Alpha(1st), Beta(2nd), Gamma(3rd), Delta(4th), Epsilon(5th).

  14. A pattern of shapes is shown: ○ □ △ ○ □ △ ○ □ △. What is the 11th shape?

    Answer: A. ○

    The pattern repeats every 3: ○□△. Position 11: 11÷3 = 3 remainder 2... wait, 3×3=9, 10th=○, 11th=□. Hmm: position 1=○, 2=□, 3=△, 4=○... 11 mod 3 = 2, but we use 1-indexing: if remainder is 2, it's the 2nd in the pattern = □. But let me recount: 1=○, 2=□, 3=△, 4=○, 5=□, 6=△, 7=○, 8=□, 9=△, 10=○, 11=□. The 11th shape is □.

  15. Given: Red=5, Blue=8, Green=3, Yellow=6. Which two colors sum to 11?

    Answer: C. Blue and Green

    Blue(8) + Green(3) = 11.

  16. A page shows 24 words. You read it once. How many 5-letter words can you remember? The text includes: BRAVE, QUICK, STORM, ABOUT, LIGHT, WORLD. Which word has exactly 6 letters?

    Answer: D. STORMS

    Counting letters: BRAVE=5, QUICK=5, STORM=5, ABOUT=5, LIGHT=5, WORLD=5. None of the listed words have 6 letters unless STORMS (not in original list) is considered. All listed words have 5 letters.

  17. Study: Monday the temperature was 72°F, Tuesday 68°F, Wednesday 75°F, Thursday 71°F, Friday 69°F. What was the temperature on Wednesday?

    Answer: C. 75°F

    Wednesday's temperature was 75°F as stated in the sequence.

  18. A number sequence is presented: 15, 22, 9, 31, 17, 8, 26, 13. What is the position of the largest number?

    Answer: B. 4th

    The numbers: 15(1), 22(2), 9(3), 31(4), 17(5), 8(6), 26(7), 13(8). The largest is 31, in position 4.

  19. You see a license plate for 3 seconds: XR7-4BM2. What are the numbers in the plate?

    Answer: A. 7, 4, 2

    License plate XR7-4BM2 contains numbers 7, 4, 2 in that order of appearance.

  20. A 3×3 grid has numbers 1-9. Row 1: 2, 9, 4. Row 2: 7, 5, 3. Row 3: 6, 1, 8. What is the sum of the middle column?

    Answer: B. 15

    Middle column values: 9 (row 1), 5 (row 2), 1 (row 3). Sum = 9+5+1 = 15. This is a magic square!