Combination

Q. In MOCK CAT Quantitative Aptitude section was divided into 3 groups of 5, 5 and 4 questions respectively. A candidate is required to answer 6 questions taking at least two question from each of the first two groups and atleast one question from the third group. In how many ways can he make up his choice?

1. 1284
2. 1200
3. 1400
4. 1560

Q. If there are 11 players in a cricket team. all of whom shake hands with each other, how many shake hands take place in the team?

1. 36
2. 55
3. none of these
4. 66

Q. How many different committees of 5 members may be formed from 6 gentlemen and 4 ladies?

1. 357
2. 603
3. 181
4. 252

Q. A urn contains 5 different rad and 6 different green balls. In how many ways can 6 balls be selected so that there are atleast two balls of each colour?

1. 425
2. 245
3. 125
4. 625

Q. A cricket team of 11 players is to be formed from 16 players including 4 bowlers and 2 wicket keepers. In how many different ways can a team be formed so that the team has atleast 3 bowlers and atleast one wicket keeper?

1. 2472
2. 2274
3. 2427
4. 1236

Q. An urn contains 5 different red and 6 different green balls. In how many ways can 6 balls be selected so that there are at least two balls of each colour?

1. 425
2. 125
3. 245
4. 625

Q. How many different committees of 5 members can be formed from 6 gentlemen and 4 ladies?

1. 181
2. 357
3. 603
4. 252

Q. In MOCK CAT, Quantitative Aptitude section was divided into 3 groups of 5, 5 and 4 questions respectively. A candidate is required to answer 6 questions taking at least two question from each of the first two groups and at least one question from the third group. In how many ways can he make up his choice?

1. 1284
2. 1200
3. 1400
4. 1560

Q. If there are 11 players in a cricket team all of whom shake hands with each other, how many hand-shakes take place in the team?

1. 36
2. none of these
3. 66
4. 55

Q. A cricket team of 11 players is to be formed from 16 players including 4 bowlers and 2 wicket keepers. In how many different ways can a team be formed so that the team has at least 3 bowlers and at least one wicket keeper?

1. 1236
2. 2472
3. 2274
4. 2427