Mensa IQ Test Numerical Reasoning 3

Question 1

What is the missing value? 2, 5, 11, 23, 47, ?

Accepted Answer

95

Answer

89

Answer

93

Answer

97

Question 2

In a class of 30 students, 60% passed mathematics and 70% passed science. What is the minimum number of students who passed both subjects?

Accepted Answer

9

Answer

18

Answer

21

Answer

30

Question 3

What number should replace the question mark? 7 : 49 :: 9 : ?

Accepted Answer

81

Answer

63

Answer

72

Answer

91

Question 4

A tank fills in 6 hours with pipe A alone and in 4 hours with pipe B alone. How long will both pipes together take to fill the tank?

Accepted Answer

2 hours 24 minutes

Answer

2 hours 12 minutes

Answer

3 hours

Answer

5 hours

Question 5

If the pattern continues, what is the 8th term? 2, 4, 8, 16, 32, ...

Accepted Answer

256

Answer

128

Answer

192

Answer

512

Question 6

What fraction is equivalent to 37.5%?

Accepted Answer

3/8

Answer

3/7

Answer

5/12

Answer

7/16