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
- 22487 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 |
There are 19 red balls and one black ball . Ten balls are put in one jar and the remaining 10 are put in another jar. what is the possibility that the black in the right jar.
why we will appoint you.
One day the Finance minister decides that the country should have only 33 paise and 56 paise.If there are two traders having enough change in the two denominations, what is the minimum amount for which they can transact?
There are 150 weights .Some are 1 kg weights and some are 2 kg weights. The sum of the weights is 260.What is the number of 1kg weights?
R A M A R A M R A M M A R R M A R A R 1. HOW MANY A'S ARE BETWEEN CONSECTIVE R AND M? 2.HOW MANY R'S ARE IMMEDIATELY FOLLOWED A?
Sum of a series of n numbers is n+8. Find second (or second last) no.
0 Answers BirlaSoft, Microsoft,
If a man can swim downstream at 6kmph and upstream at 2kmph, his speed in still water is: It takes 30 days to fill a laboratory dish with bacteria. If the size of the bactiria doubles each day, how long did it take for the bactiria to fill one half of dish?
Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group? (a) Fruit (b) Leaf (c) Flower (d) Tree (e) Trunk
The average length of three tapes is 6800 feet. None of the tapes is less than 6400 feet. What is the greatest possible length of one of the other tapes?
No confidence motion is decided by ?
A man gets x/y of Rs.10 and y/x of Rs.10. He returns Rs.20. The Answer choices are a) He may not lose b) He may lose c) He always loses d) Cannot be Determined
Two lemons cost 10 cents. Then one and a half dozen cost
0 Answers BPCL Bharat Petroleum, Sonata,
English 
