GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
Permutations and Combinations - Data Intensity 1 Multiple Questions and Answers.
| 2. | A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems? | ||
| A. | 63 | ||
| B. | 511 | ||
| C. | 1023 | ||
| D. | 15 | ||
| 3. | In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected? | ||
| A. | 400 | ||
| B. | 500 | ||
| C. | 600 | ||
| D. | 20 | ||
| 4. | In how many ways can three consonants and two vowels be selected from the letters of the word “TRIANGLE”? | ||
| A. | 25 | ||
| B. | 13 | ||
| C. | 40 | ||
| D. | 30 | ||
| 5. | A bag contains nine yellow balls, three white balls and four red balls. In how many ways can two balls be drawn from the bag? | ||
| A. | ?C? | ||
| B. | ³C? | ||
| C. | ¹?C? | ||
| D. | ¹²C? | ||
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