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 / 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 |
Post New Answer View All Answers
a man covered 28 steps in 30 seconds but he decided to move fast and covered 34 steps in 18 seconds. how many steps are there on the escalator when stationary.
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2m2. What is the another side of the triangle?
A person went to shop and asked for change for 1.15 paise. But he said that he could not only give change for one rupee but also for 50p, 25p, 10p and 5p. What were the coins he had ?
A building with hight D ft shadow upto G A neighbour building with what height shadow C ft is?
Age of Grandfather is the ages of 4 grandchildren where their ages are in consecutive.Find the age of Grandfather.
A piece of cloth costs Rs 35. If the piece were 4m longer and each meter costs Re 1.00 less, the cost would remain unchanged. How long is the piece?
A man runs towards the east direction and then takes his right. Then he takes a left and again 50 degrees to his right. What is the direction in which he is moving now?
If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Find the memory required for this?
In China, Mao-Tse-Tung was responsible for organizing its people and taking China into success path. It evolved into a great economic power by improved industrial and economical statistics. China prospered in those years, but _________________
How do you convince the retailer to sell you product?
What is the selling price of a car? If the cost of the car is Rs.60 and a profit of 10% over selling price is earned.
Total balls z,red balls N remaining are blak balls,then %of black balls equal to
2 oranges,3 bananas and 4 apples cost Rs.15 . 3 oranges 2 bananas 1 apple costs Rs 10. what is the cost of 3 oranges, 3 bananas and 3 apples ANs Rs 15.
A chain is broken into three pieces of equal lengths containing 3 links each. It is taken to a backsmith to join into a single continuous one . How many links are to to be opened to make it ?
A sales person multiplied a number and get the answer is 3, instead of that number divided by 3. What is th answer he actually has to get? 1/3