Adgret abhyas book class 6 page no.54 to 55

The following data is related to the number of mistakes in each page of a book containing 180 pages : Fit a Poisson distribution to the data. Obtain the theoretical frequencies.

Abe reads a book every day some page in the morning and some in the evening. He reads 23 pages every morning and 31 page every evening . The number of page completed by Abe after some number of days can be written as a function of the number of pages read in the evening . If the number of days is represented by ' N', the number of page read in the morning be 'M' and the number of pages read in the evenings be 'E' , which of the following the number of days for which Abe read the book ? It is know that if Abe read in the morning , he did not read in the evening and vice versa.

Ila read 25 pages of a book containing 100 pages. Lalita read 2/5 of the same book. Who read less?

Shikha has read 3/4 of a book consisting of 288 pages. How many pages are still left?

There are 8 math's books and 6 science books in a almirah. In how many wayscan 4 books of each subject be selected?

6 note- books cost Rs. 156, find the cost of 54 such note-books.

A book contains 92 pages. A page is chosen at random. What is the probability that the sum of the digits in the page number is 9?

A book contains 85 pages. A page is chosen at random. What is the probability that the sum of the digits on the page is 8 ?

A book contains 100 pages . A page is chosen at random . What is the chance that the sum of digits on the page is equal to 9 ?