21). A question paper consists of two sections having respectively 3 and 5 questions. The following note is given on the paper. "It is not necessary to attempt all the questions". One question from each section is compulsory. In how many ways, a candidate...
| A). 38 |
| B). 217 |
| C). 256 |
| D). 320 |
|
22). Find the number of combinations that can be formed with 5 oranges, 4 mangoes and 3 bananas, when one fruit of each kind is taken.
| A). 60 |
| B). 120 |
| C). 110 |
| D). 75 |
|
23). In how many ways, 12 balls can be divided between two boys, one receiving 5 and the other 7 balls?
| A). 1784 |
| B). 1584 |
| C). 1854 |
| D). 1560 |
|
24). There are 10 stations in a railway line. The number of different journey tickets that are required by the authorities, is
| A). 92 |
| B). 90 |
| C). 91 |
| D). 93 |
|
25). There are 10 questions in a question paper. In how many ways, a student can solve these questions, if he solves one or more questions?
| A). 1024 |
| B). 1025 |
| C). 1023 |
| D). 1000 |
|
26). In how many different ways can letters of the word SOFTWARE be arranged in such a way that the vowels always come together?
| A). 13440 |
| B). 1440 |
| C). 360 |
| D). None of these |
|
27). In how many different ways a group of 4 men and 4 women be formed out of 7 men and 8 women?
| A). 2450 |
| B). 105 |
| C). 1170 |
| D). Cannot be determined |
|
28). A team of 5 children is to be selected out of 4 girls and 5 boys such that it contains at least 2 girls. In how many different ways the selection can be made?
| A). 105 |
| B). 60 |
| C). 100 |
| D). 120 |
|
29). In how many different ways can the letters of the word 'PADDLED' be arranged?
| A). 910 |
| B). 2520 |
| C). 5040 |
| D). 840 |
|
30). In how many different ways can the letters of the word 'BLOATING' be arranged?
| A). 40320 |
| B). 5040 |
| C). 2520 |
| D). 20160 |
|
