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???
Answer Posted / 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 | 11 No |
Post New Answer View All Answers
What is the average candidates who appeared from state q during the given years?
How can 1000000000 be written as a product of two factors neither of them containing zeros
x:y=3 and x+y=80 what is the value of y?
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?
If PQRST is a paralellogram .What is the ratio triangle PQS & PQRST.
the graph was given.the x and y axes were there.the line is intersecting them.the points of intersection were y=3,x=0 and x=-2,y=0.write the equation of line.
Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?
500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row aare asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their originaal podsitions that the shorteest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately. Then the tank will be full in:
A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
Find the speed of the boat in still water if the river runs at 4 km/hr. The time taken by a Suresh to row the boat upstream is 3 as the time taken by him to row it downstream.
The cycle has following specifications: The rear derailer is on the 14 tooth gear and the front derailer is on the 52 tooth gear. The rear gear has 14 teeth. The diameter of the rear wheel is 27". If a cyclist pedals at 75 revolutions per minute, then what will be the speed achieved?
What is the selling price of can cost selling price of .. cost .. is Rs 60 ,10% profit over selling price ?
In a cycle race there are 5 persons named as J, K, L, M, N participated for 5 positions so that in how many number of ways can M make always before N?
A batsman scored 120 runs including 16 fours and 2 sixes. What percentage of his total score did he make by running between the wickets?