Question

# If , the coefficient of in the expansion of is

- 369
- 370
- 371
- 372

## The correct answer is: 369

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### If a,b,c,d are consective binomial coefficients of then are is

### If a,b,c,d are consective binomial coefficients of then are is

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If represent the terms is then is

### Let ' O be the origin and A be a point on the curve then locus of the midpoint of OA is

### Let ' O be the origin and A be a point on the curve then locus of the midpoint of OA is

### Which one is absent in free state during origin of life ?

### Which one is absent in free state during origin of life ?

### Two different packs of 52 cards are shuffled together. The number of ways in which a man can be dealt 26 cards so that he does not get two cards of the same suit and same denomination is-

### Two different packs of 52 cards are shuffled together. The number of ways in which a man can be dealt 26 cards so that he does not get two cards of the same suit and same denomination is-

### In how many ways can 6 prizes be distributed equally among 3 persons?

In combinatorics, the rule of sum or addition principle states that it is the idea that if the complete A ways of doing something and B ways of doing something and B ways of doing something, we cannot do at the same time, then there are (A + B) ways of choosing one of the actions. In this question, there is a possibility that the student might miss considering all the cases. They may forget to consider case 2 and get a different answer.

### In how many ways can 6 prizes be distributed equally among 3 persons?

In combinatorics, the rule of sum or addition principle states that it is the idea that if the complete A ways of doing something and B ways of doing something and B ways of doing something, we cannot do at the same time, then there are (A + B) ways of choosing one of the actions. In this question, there is a possibility that the student might miss considering all the cases. They may forget to consider case 2 and get a different answer.

### The number of ways in which mn students can be distributed equally among m sections is-

While solving this question, the possible mistake one can make is by always choosing n students for all sections from mn students which is totally wrong because at a time one student can only be in 1 section. So, if n students are selected for 1 section then in the second section, we will choose from (mn – n).

### The number of ways in which mn students can be distributed equally among m sections is-

While solving this question, the possible mistake one can make is by always choosing n students for all sections from mn students which is totally wrong because at a time one student can only be in 1 section. So, if n students are selected for 1 section then in the second section, we will choose from (mn – n).

### The number of ways in which 20 volunteers can be divided into groups of 4, 7 and 9 persons is-

### The number of ways in which 20 volunteers can be divided into groups of 4, 7 and 9 persons is-

### The number of ways to make 5 heaps of 3books each from 15 different books is-

In these type of questions, it is to be always remembered that separate approaches need to be adopted for distinct and identical objects. Here, the books were distinct or different.

### The number of ways to make 5 heaps of 3books each from 15 different books is-

In these type of questions, it is to be always remembered that separate approaches need to be adopted for distinct and identical objects. Here, the books were distinct or different.