Mensa IQ Test Mensa IQ Numerical Reasoning and Arithmetic 3

Question 1

What is the missing number? 7, 14, 28, 56, [?], 224

Accepted Answer

112

Answer

96

Answer

108

Answer

120

Question 2

In a 3×3 magic square, each row, column, and diagonal sums to the same magic constant. Given top row: 2, 7, 6; middle row: 9, 5, 1; what is the sum of the bottom row?

Accepted Answer

15

Answer

12

Answer

18

Answer

14

Question 3

A sequence: 4, 9, 16, 25, 36, [?]

Accepted Answer

49

Answer

48

Answer

50

Answer

45

Question 4

A factory produces 240 units in 8 hours with 6 workers. How many units do 9 workers produce in 10 hours at the same rate?

Accepted Answer

450

Answer

360

Answer

480

Answer

400

Question 5

What value replaces [?] in the sequence: 1, 3, 7, 15, 31, [?]?

Accepted Answer

63

Answer

57

Answer

61

Answer

67

Question 6

Three numbers are in ratio 2:3:5. Their sum is 150. What is the largest of the three numbers?

Accepted Answer

75

Answer

45

Answer

30

Answer

90

Question 7

A number sequence alternates between adding and multiplying: 1, +3→4, ×2→8, +3→11, ×2→22, +3→[?]

Accepted Answer

25

Answer

44

Answer

24

Answer

26