The ratio of story books and text books of preetam is `2:5`. If preetam has 4 story books, then find how many text books he has.

The ratio of my text books and story books is 4 : 3. If number of text books is 28, let's find the number of story books and total numbers of books.

A library has 5 copies of one books 4 cpies each of two books , 6 copies each of three books and 1 copy each of eight books . In how many ways can all the books be arranged ?

The ratio of the prices of two books is 2:5 . If the price of the first book is 32.50 rupees , find the price of the other book.

The ratio of the prices of two books is 5:8 . If the Price of the first book is 32.50 . Let's find the price of the other book.

I have Rs. 150. With 0.3 part of my money I bought exercise books and with 0.4 part I bought a story book. Let me find, what amount of money is left with me.

In a partnership business the ratio of capitals of Sujoy and Palash is 4:5 and the ratio of their profits is 2:3 . If Sujoy has invested for 10 months then for how many months did Palash invest his capital?

There are 2100 story books in our local library. If 30% more story books are bought, what will be the total number of story books in the library now and also find out the additional numbers of story bought.

A library has a copies of one book, b copies each of two books, c copies each of three books, a single copy of d books. The total number of ways in which these books can be arranged in a shelf is equal to a. ((a+2b+3c+d)!)/(a !(b !)^2(c !)^3) b. ((a+2b+3c+d)!)/(a !(2b !)^2(c !)^3) c. ((a+b+3c+d)!)/((c !)^3) d. ((a+2b+3c+d)!)/(a !(2b !) (c !)^3)

A servant has to post 5 letters and there are 4 letter boxes in how many ways can he post the letter is

I bought 2 exercise books. Cost of each exercise book is x rupees. My friend Imtiyaz bought 6 exercise books. But cost of each exercise book of Imtiyaz is 5 more than my exercise book. Calculate, how much money did I spent on exercise books and how much did Imtiyaz spent on his exercise books.