## Filters

Clear All

S seema garhwal
Given that :                        Thus the value of n=6

S seema garhwal
Given that :                 The ratio can be written as

S seema garhwal
Given :  We know that                                        Thus the answer is 45

S seema garhwal
Given :  To find the value of r. We know that                                                                        where                              Thus,

S seema garhwal
Given :  To find the value of r. We know that                                                                        where                              Thus the  value of,

S seema garhwal
Given :  To find the value of n

S seema garhwal
To evaluate  Put

S seema garhwal
To evaluate  Put

S seema garhwal
Factorial can be given as :  To find x  :                      Given :

S seema garhwal
To compute the factorial :                                   So the answer is 28

S seema garhwal
Factorial can be given as :  To prove :  R.H.S :  L.H.S :

S seema garhwal
Factorial can be given as :

S seema garhwal
Factorial can be given as :

S seema garhwal
The letters of the word PERMUTATIONS be arranged in such a way that there are always 4 letters between P and S. Therefore, in a way P and S are fixed. The remaining 10 letters in which 2 T's are present can be arranged in                                                                                                                                                                                ...

S seema garhwal
There are 5 vowels in word PERMUTATIONS  and each appears once. Since all 5 vowels are to occur together so can be treated as 1 object. The single object with the remaining 7 objects will be 8 objects. The 8 objects in which 2 T's repeat can be arranged as                                                                                            ways. These 5 vowels can also be arranged...

S seema garhwal
There are 2 T's in word PERMUTATIONS, all other letters appear at once only. If words start with P and ending with S i.e. P and S are fixed, then 10 letters are left. The required number of arrangements are

S seema garhwal
In the given word MISSISSIPPI, I appears 4 times, S appears 4 times, M appears 1 time and P appear 2 times. Therefore, the number of distinct permutations of letters of the given word is                                                                                                                                                                                                                  ...

S seema garhwal
There are 6 letters and 2 vowels in word MONDAY. Therefore, the right most position can be filled by any of these 2 vowels in 2 ways. Remaining 5 places of the word  can be filled using any of rest 5 letters of the word MONDAY. Hence, the required number of words formed using 5 letters at a time                                                                                                    ...