In a school out of "250" students of Class-Vl,x students visited an old age home.They entertained them with dance and music,they discussed about their families and children,helped them in cleaning their cupboards.But `75` children refused to visit. (a) Find the number of students who visited the old age home.

Three eighth of the students of a class opted for visiting an old age home.Sixteen students opted for having a nature walk.Square root of total number of students in the class opted for tree plantation in the school.The number of students who visited an old age home is same as the number of students who went for a nature walk and did tree plantation.Find the total number of students

A school planned an eductional trip for class V students to Rajasthan. What would be your expectation from the children during the visit ?

In a particular section of class IX 1/7 times the square of total no. of students planned to visit an orphange, 5/9 times the total no. of students planned to visit historical monuments of India while 12 students decided to given their consent for teaching slum children for a week. using above information,express the total number of students of class as a polynomial.

Some students of Class X donated for the welfare of old age persons . Their contributions are shown in the following frequnecy distribution : Find median and mode for their contribution .

Some students of class X donated for the welfare of old-age persons. Their contribution is shown in the following frequency distribution. Find the median and mode of their contribution.

In a school, there are 150 students. If 90 of them play chess, 70 of them play both chess and carrom and 40 play none of these games, then find the number of children who play only carrom.

Rajesh and Kunal, two students of class, together contributed Rs 100 for old age home to help old people left by their children. Write a linear eqution, which satisfies the data.

The ages of the students of a class form an A.P. whose common difference is 4 months. If the youngest student is 8 years old and the sum of the ages of all the students of the class is 168 years, find the number of students in the class.