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Only 5% of People Can Solve This Brain Teaser – Test Your IQ with This Tricky Logic Question

Start the Tricky Brain Teaser Quiz – Only 5% Can Solve This Logic Question

31)What is the next number?
4, 9, 16, 25, ?

A) 30

B) 36

C) 40

D) 49

View Answer

B) 36
Explanation:Sequence of squares: 2², 3², 4², 5² → next 6² = 36.

32)Which number is the odd one out?
2, 3, 5, 7, 9, 11

A) 2

B) 7

C) 9

D) 11

View Answer

C) 9
Explanation:9 is not a prime number; others are primes.

33)If 6 × 7 = 42 and 7 × 8 = 56, what is 8 × 9?

A) 72

B) 64

C) 81

D) 90

View Answer

A) 72
Explanation:Normal multiplication: 8 × 9 = 72.

34)Find the missing number.
3, 12, 48, 192, ?

A) 384

B) 576

C) 768

D) 960

View Answer

C) 768
Explanation:Pattern: ×4 each step → 3×4=12 → 12×4=48 → 48×4=192 → 192×4=768.

35)Which number replaces ?
1, 1, 2, 3, 5, 8, ?

A) 11

B) 12

C) 13

D) 15

View Answer

C) 13
Explanation:Fibonacci sequence: next = 5 + 8 = 13.

36)Which number is the smallest?

A) 0.2

B) 0.02

C) 0.002

D) 0.0002

View Answer

D) 0.0002
Explanation:Smaller decimals have more zeros after decimal; smallest is 0.0002.

37)If 10 workers finish a job in 5 days, how many days will 5 workers take?

A) 8

B) 10

C) 12

D) 15

View Answer

B) 10
Explanation:Workers halve → time doubles → 10 days.

38)Which number fits?
7, 14, 21, 28, ?

A) 30

B) 32

C) 35

D) 36

View Answer

C) 35
Explanation:Add 7 each step: 7, 14, 21, 28 → 35.

39)If A = 1, B = 2, C = 3, then DOG = ?

A) 24

B) 26

C) 28

D) 30

View Answer

B) 26
Explanation:Alphabet values: D(4)+O(15)+G(7)=26.

40)What is the next number?
1, 8, 27, 64, ?

A) 81

B) 100

C) 125

D) 144

View Answer

C) 125
Explanation:Cubes: \(1^3, 2^3, 3^3, 4^3\) → next \(5^3=125\).

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