6. In how many ways can 8 teachers be assigned to 5 sections in Grade 10

level.

7. How many 3 letters word can be formed of the letters of the word RIGHT

when repetition of letters is not allowed?

8. A museum has 10 paintings by Fernando Amorsolo and wants to arrange

of them on the same wall. How many ways are there to do this?

9. How many ways can 8 people be seated in a circle?

10.A building contractor is planning to develop a subdivision that consists of 6

one - storey houses, 4 two - storey houses, and 2 split level houses. In

how many distinguishable ways can the houses be arranged?​