Mensa IQ Test Mensa IQ Numerical Reasoning and Arithmetic 6

Question 1

What is the next term: 1, 4, 9, 16, 25, 36, 49, [?]?

Accepted Answer

64

Answer

56

Answer

81

Answer

58

Question 2

A grid rule: each cell = sum of all cells above it in the same column. Column 1 so far: 3, 3, 6, 12. What is the next value in this column?

Accepted Answer

24

Answer

18

Answer

15

Answer

21

Question 3

If the price of an item increases by 20% and then decreases by 20%, what is the net percentage change?

Accepted Answer

−4% (net decrease)

Answer

0% (no change)

Answer

+4% (net increase)

Answer

−20%

Question 4

A number sequence: 3, 7, 15, 31, 63, [?]

Accepted Answer

127

Answer

125

Answer

121

Answer

131

Question 5

In a class of 36 students, the ratio of boys to girls is 4:5. How many girls are there?

Accepted Answer

20

Answer

16

Answer

18

Answer

24

Question 6

What is the missing value? 256, 64, 16, 4, [?]

Accepted Answer

1

Answer

2

Answer

0.5

Answer

8

Question 7

A pipe fills a tank in 4 hours; another pipe empties it in 6 hours. If both are open, how many hours to fill the tank from empty?

Accepted Answer

12

Answer

10

Answer

8

Answer

6