Interested to Buy Any Domain ? << Click Here >> for more details...
when a group photograph is taken ,all the seven teachers
should be in the first row and all the twenty students
should be in the second row .if two corners of the second
row are reserved for the two tallest students ,
interchangeable only between them and if the middle seat of
the front row is reserved for the principal , how many
arrangements are possible?
- 2 Answers
- 8483 Views
- I also Faced
- E-Mail Answers
Answer Posted / mohit
no of arrangements possible= 6! * 18! * 2!
| Is This Answer Correct ? | 19 Yes | 3 No |
Post New Answer View All Answers
If 15 pens costs Rs.90..then what will be the cost of 22pens?
A person has his own coach&whenever he goes to railway station he takes his coach.One day he was supposed to reach the railway station at 5 O'clock.But he finished his work early and reached at 3 O'clock. Then he rung up his residence and asked to send the coach immediately. He came to know that the coach has left just now to the railway station.He thought that the coach has left just now to the railway station.He thought that he should not waste his time and started moving towards his residence at the speed of 3min/hr.On the way,he gets the coach and reaches home at 6 o'clock.How far is his residence from railway station.
Find the next number in the series. 1, 0.5, 0.25, 0.125
In a company 241 apply for posts. of them 40 know neither c nor c++.180 know c; 186 knows c++. how many people know only c.
in a school for a student out of a 100 he got 74 of average for 7 subjects and he got 79 marks in 8th subject. What is the average of all the subjects?
X2 – (A-3)X +(A+3) = 0 for what value of A the sum of square of roots will be least ?
8 to the power of x is 32,what is the value of x?
What is the angle of degree suspended when two hands of clock showing the time 2.30.
Asian paints takes a contracts to paint 3 houses. Mr. White can paint a house in 6 days while Mr.Blue would take 8 days and Mr.Red 12 days. After 8 days Mr.White goes on a holiday and Mr. Blue begins to work for a period of 6 days. How many days will it take Mr.Red to complete the work?
Two chords of lengths L1 and L2 are drawn in a circle. Their lengths are inversely proportional to the straight distance joining the centre.Find the radius of circle.
1,40,00,000 pencils are put up straight. all the pencils are of length range 3 to 6 inches. 80% of the pencils have average of five inches. so the find out the total length spanned by the pencils.
If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount, then wat % profit they make?
If the letters of the word "rachit" are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word "rachit".
A person sold two articles for 80 /- each.with 20% profit on one article and 20% loss on another article, what is the loss / profit he will gain on both.
how 1000000000 can be written as a product of two factors neither of them containing zeros
