1. In how many ways can you arrange 7 books in a shelf?

A. 360 B. 72 C. 4 050 D. 5 040

2. Find the number of distinguishable permutations of the letters of the word PARALLEL.

A. 3,360 B. 4,050 C. 6,720 D. 40,320

3. Find the number of different ways that a family of 7 can be seated around a circular table with 7 chairs.

A. 360 B. 720 C. 5,040 D. 40,320

4. Benjie has 4 Mathematics books and 2 Science books. In how many ways can he arrange the said books

in a shelf?

A. 1 440 B. 720 C. 520 D. 160

5. There are 12 participants in a Mathematics Quiz Bee. In how many possible ways can they be arranged

as first, second, third, and fourth placers?

A. 3 B. 48 C. 288 D. 11,880​