### Direction:

A man has three sons, and each of his sons has three sons. In figuring : one man and his father are a pair of "father and son". The same man and his son are a pair of "father and son". In other words, any

one person may figure in any number of pairs, so long as he is paired with a different person each time. Knowing this, answer the following.

one person may figure in any number of pairs, so long as he is paired with a different person each time. Knowing this, answer the following.

**1. How many pairs of cousins are there?**

a. 3

b. 9

c. 12

d. 27

**2. How many pairs of father and son are there?**

a. 6

b. 12

c. 18

d. 9

**3. How many pairs of brother are there?**

a. 9

b. 11

c. 12

d. 15

**4. How many pairs of uncle and nephew are there?**

a. 18

b. 17

c. 16

d. 15

**5. How many pairs of grandfather and grandson are there?**

a. 8

b. 7

c. 9

d. 10

**6. How many people are there in the group?**

a. 12

b. 13

c. 20

d. 25

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