**9) How many words can be formed from the letters of the word 'PLANE' using all letters when no letter is to be repeated.**

(A) 120

(B) 60

(C) 15

(D) 5

**10) How many 3-digit numbers can be formed by using each one of the digits 2,3,5,7,9 only once.**

(A) 120

(B) 60

(C) 15

(D) 5

**11) There are 5 green and 3 red balls In a box, one ball is taken out. What is the probability that the ball is green.**

(A) 5/8

(B) 3/8

(C) 0

(D) 1

** 12) In how many ways can 4 keys be arranged on a circular key ring?**

(A) 24

(B) 6

(C) 3

(D) 4

** 13) Evaluate ^{12}C_{3}**

(A) 220

(B) 36

(C) 1320

(D) 72

** 14) Find the number of diagonals of a 6-sided figure.**

(A) 15

(B) 12

(C) 6

(D) 9

** 15) In how many ways can a hockey team of 11 players be selected out of 15 players.**

(A) 1365

(B) 32760

(C) 8190

(D) 2730

** 16) A dice is rolled. What is the probability that the dots on the top are greater than 4?**

(A) 1/3

(B) 1/2

(C) 2

(D) 2/3