In the reading room of a library, there are 10 tables, 4
chairs per table. In each table there are different numbers
of people seated. How many ways they will sit in the
library so that no chair would be blank?
plz explain how can this quetions can b solved???
- 5 Answers
- 22564 Views
- TCS, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / samd singh
NONE...
d answer is none...
there is no way in which no chair wud b blank...
if in 1st table dere r 4 person ...
den in any other table dere will be max. 3 person
so 1 chair is left...
| Is This Answer Correct ? | 58 Yes | 10 No |
Answer / pallawi
ans is 6. coz in first table 4 will be seated. in second table 3 will be seated. in third table 2 will be seated. in fourth table 1 person will be sit. so out of 10 4 r filled and 6 r left.
| Is This Answer Correct ? | 50 Yes | 20 No |
Answer / noor
This is simple permutation...
40!
yes 40 factorial.
the first person may sit on any of the 40.
the next on any of the 39 remaining.
the next on any of the available 38 and so on...
hence leading to 8.15915283247898e+47
this may sound kinda cracked but the answer is:
815915283247897734345611269596115894272000000000
| Is This Answer Correct ? | 17 Yes | 49 No |
Answer / archna tiwari
the ans. is 40,because totel no. of chair is 40,so there in only 40 way to sit on it.
| Is This Answer Correct ? | 16 Yes | 60 No |
A cylinder is 6 cms in diameter and 6 cms in height. If spheres of the same size are made from the material obtained, what is the diameter of each sphere?
Two trains are travelling at equilateral .Train A is travelling in the direction of earths spin.Other train B is travelling in opposite direction of earths spin.Which trains wheels will wear first?and why?
(x-y/3)-(y-x/3)=?
Petrol prices increased by 40% expected hike in taxi & auto charges so, people may use public transport systems. What do you infer?
If "basis points" are defined so that 1 percent is equal to 100 basis points, then 75.5 percent is how many basis points greater than 65.5 percent?
What is the probability of getting a sum 9 from two throws of a dice?
please send me Bank Probationary officer exam sample papers that contain all sections
I'm also facing the same problem. plz send me model question papers and answers which help me to face interview for clerical staff in sbi.
A team of 200 wagers undertakes building work of a bridge. The total time allocated to build the entire bridge is 20 days. After 10 days since start, 200 more wagers join the team and together the team completes the bridge in required time. If the original team do not get those 200 extra wagers, how many days they would be behind schedule to complete building the bridge.
The average salary of Ram, Shyam and Sundar is 95 Rs. per week. If Ram earns Rs.115 and Shyam earns Rs.65.What is the salary of Sundar.
How many 3-digit numbers with atleast one 5 in their digits?
what is the probability that 4 numbers selected from 1 to 40 are not consecutive.
English 
