Write the letter of the correct answer.

1. which of the situation illustrates permutation?
a. entering the PIN of ATM card b.listing element of a subset c.selecting 3 out of 5 students to form a commitee d.choosing 3 questions from 10 questions

2.how many 6 digit numbers can be formed from the digits 5,3,7,9,4 AND 6 id no repetition is allowed?
a.145 b.130 c.120 d. 720

3.Which of the situation illustrates permutation?
a. forming a commitee of students b.assigning chairs for the guest c.selecting 2 out of 5 ice cream flavors d.choosing 3 questions from 10 questions

4.how many 4 digit numbers can be formed from the digits 5,3,7,9 if no repetition is allowed?
a.24 b.12 c.9 d.4

5.In a symposium there are 10 participating school. in how many ways can 5 schools be arrange to talk in the said activity?
a.720 b.5 040 c.30 240 d.151 200

6.Calculate P(10,6)
a.720 b.5 040 c.30 240 d.151 200

7. How many different 4 digit numbers can be formed from the digits 1,3,4,6,7 and 8 if repetition of digits is not allowed?
a.720 b.360 c.120 d.30

8.if P(9,r)=3024, what is r?
a.4 b.5 c.6 d.7

9. If P(n,3)=1320,then n=
a.6 b.8 c.10 d.12

10. Calculate 8!___3!2!
a.6720 b.3360 c.1120 d.280​