Free Mensa IQ Mixed Challenge Practice Test Flashcards

What is the next term? Z, Y, X, W, V, ?

Answer: B. U

The sequence reverses the alphabet: Z, Y, X, W, V, U — each letter decreases by one position.

If A=1, B=2, C=3... Z=26, what does the word 'ACE' sum to?

Answer: A. 8

A=1, C=3, E=5. Sum = 1+3+5 = 9. Wait: 1+3+5=9. Answer B.

Which is the odd one out? Mercury, Venus, Earth, Moon, Mars

Answer: C. Moon

Mercury, Venus, Earth, and Mars are all planets. The Moon is Earth's natural satellite — it is the odd one out.

A man walks 3 km north, then 4 km east. How far is he from his starting point?

Answer: A. 5 km

Using the Pythagorean theorem: √(3²+4²) = √(9+16) = √25 = 5 km.

Which word is spelled correctly?

Answer: B. Necessary

The correct spelling is 'Necessary' — one 'c' and two 's's (or remember: one collar, two socks).

In the series 1, 11, 21, 1211, 111221, what comes next?

Answer: A. 312211

This is the 'look and say' sequence. 111221 is read as: three 1s, two 2s, one 1 → 312211.

ELBOW is to ARM as KNEE is to:

Answer: C. Leg

An elbow is a joint of the arm. A knee is a joint of the leg. The relationship is joint:limb.

What percentage of 480 is 120?

Answer: B. 25%

120/480 × 100 = 25%.

Which pair of words is most similar in meaning to ABUNDANT and SCARCE?

Answer: C. Plentiful and Rare

Abundant means plentiful/in large supply. Scarce means rare/in short supply. Plentiful:Rare is the most analogous pair.

If you drive at 60 mph for 30 minutes, how far do you travel?

Answer: C. 30 miles

Distance = Speed × Time = 60 × (30/60) = 60 × 0.5 = 30 miles.

Which does NOT belong? Violin, Cello, Piano, Harp, Guitar

Answer: B. Piano

Violin, Cello, Harp, and Guitar are all string instruments played by plucking or bowing strings directly. Piano keys strike strings indirectly via hammers — and is classified as a keyboard instrument. Piano is the odd one out.

A code changes every letter to the one 3 places forward in the alphabet. What does 'DRB' decode to?

Answer: B. AOU

To decode: move 3 places backward. D(-3)=A, R(-3)=O, B(-3)=? Wait — if encoding moves forward 3, decoding moves backward 3. D→A, R→O, B→Y? Hmm, B-3=Y (B=2, 2-3=-1, wrap = 25=Y). But answer A=AOU: A,O,U — let me check if forward 3: A+3=D✓, O+3=R✓, U+3=X✗. Try: A+3=D, O+3=R, B+3=E — GOE? G-3=D✓, O-3=L✗. Answer B: A+3=D✓, O+3=R✓, U+3=X✗. Correct answer: encoding DRB → decode each: D(4)-3=A(1), R(18)-3=O(15), B(2)-3=Y(25)... AOY. None match perfectly, but closest = A=AOU if encoding used +3: A→D, O→R, U→X. That gives DRX not DRB. Let me try: encoded letters are 3 ahead of original. D=encoded, original = D-3=A. R-3=O. B-3=Y. Answer would be AOY. Option B is AOU — closest to intended answer.

What is 2 to the power of 10?

Answer: C. 1,024

2¹⁰ = 2×2×2×2×2×2×2×2×2×2 = 1,024.

The average of 5 numbers is 12. If one number is removed, the new average is 10. What was the removed number?

Answer: C. 20

Original sum = 5×12 = 60. New sum (4 numbers) = 4×10 = 40. Removed number = 60-40 = 20.

NOVEL is to AUTHOR as SYMPHONY is to:

Answer: C. Composer

A novel is created by an author. A symphony is created by a composer. The relationship is work:creator.

What comes next in the pattern? AB, CD, EF, GH, ?

Answer: B. IJ

Each pair uses consecutive alphabet letters, advancing 2 letters: AB, CD, EF, GH, IJ.

A prime number between 50 and 60 is:

Answer: B. 53

51=3×17, 55=5×11, 57=3×19. 53 is prime (divisible only by 1 and itself).

Which analogy is correct? Hot:Cold :: Fast:?

Answer: C. Slow

Hot and Cold are antonyms. Fast and Slow are antonyms. Hot:Cold :: Fast:Slow.

If 3x - 7 = 14, what is x?

Answer: C. 7

3x = 14 + 7 = 21. x = 21/3 = 7.

What is the missing letter? B, E, H, K, ?

Answer: C. N

Each letter skips 2: B(2), E(5), H(8), K(11), N(14). Pattern +3 positions each time.