1. In how many different ways can the letters of the word ‘PROBE’ be arranged (5)
(1) 15
(2) 25
(3) 60
(4) 125
(5) None of these
2. In how many ways can a committee of 4 people be chosen out of 8 people (3)
(1) 110
(2) 32
(3) 70
(4) 126
(5) None of these
3. In how many ways can 6 people be seated on a sofa if there are only 3 seats available? (2)
(1) 18
(2) 120
(3) 2
(4) 216
(5) None of these
4. The sum of three consecutive even numbers is 44 more than the average of these numbers. Which of the following is the third (largest) of these numbers? (3)
(1) 16
(2) 18
(3) 2
(4) Can’t be determined
(5) None of the above