Bibhash and his friends decided to form a theater group of either 8 or 10 people. Let’s find minimum number of people who will be able to form both types of groups.

If I change 3 hundred rupee notes in the form of 5 and 10 rupee notes and get 48 notes in total. Let’s find out how many notes of each type I would have.

In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read newspaper I, 9 read both H and I, 11 read both H and T, 8 read both T and I, 3 read all three newspapers. Find: the number of people who read at least one of the newspapers.

A dinner party is to be fixed for a group of 100 persons. In this party, 50 persons do not prefer fish,60 prefer chicken and 10 do not prefer either chicken or fish. The number of persons who prefer both fish and chicken is

A person with unknown blood group under ABO system, has suffered much loss in an accident and needs immediate blood trasfusion. His one friend who has a valid certifacte of his own blood type. What would have been the type of blood group of the donor friend

Let's read the following stories and let's form equations. In our village, out of 3895, number of illeterates one 1871 less than number of literate people.

Half of a number is 6 more than frac(1)(5) th of that number. Let’s form an equation and hence find the number.

Express the following statements in the form of simultaneous linear equations and solve them by drawing graphs : (ii) At present the age of a father is 28 years more than that of his son. After 10 years the age of father will be 3 times of the age of his son. Find the present ages of both father and son.

My friend Rabeya's father has a furniture shop in Andul.I often visit their shop with Rabeya,This time . I found many people working in their shop.Rabeyas father has got orders from 7 schools, to make chair, tables and almirahs.From each school he got orders for 10 chairs, 10 tables and 10 almirahs for keeping books.Let me find what is the total amount of order Rabey's father has got from 7 schools.Total cost of 10 chairs,10 table and 10 almirahs is Rs. 11,42,575.