Study the given information carefully and answer the question that follow:
A committee of five members is to be formed out of 3 trainees 4 professors and 6 research associates In how many different ways can this be done if:
A committee with all 4 professors and and 1 research associate can be formed in 6 ways as any 1 of 6 Research Associates can be selected.
A committee with all 3 trainees and 2 professors can be formed in 6 ways as 2 professors out of 4 can be selected in 4C2 ways.
Hence a desired committee can be formed in 12 ways.
A committee with all 4 professors and and 1 research associate can be formed in 6 ways as any 1 of 6 Research Associates can be selected.
A committee with all 3 trainees and 2 professors can be formed in 6 ways as 2 professors out of 4 can be selected in 4C2 ways.
Hence a desired committee can be formed in 12 ways.
4. How many meaningful English words can be formed using the all the letters A, E, M, N?
6. Future Commodity Market in India is regulated by the
8. The product of two successive natural numbers is 8556 .What is the smaller number?
10. What should come in place of the question mark (?) in the following questions?