In a student's reunion meeting in a school. 12 students show up. Each shakes hands with all others exactly once. Determine the total number of hand shakes.

In a student's reunion meeting in a school, 16 students show up. Each shakes hands with each other exactly once. Determine the total number of handshakes.

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshakes happen ?

The students of Class VIII of a school donated Rs 2401 in all, for Prime Minister’s National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.

A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The picnic site is 55 km from the school and the transport company is charging at the rate of Rs 12 per km. The total cost of refreshments will be Rs 4280 Can you tell : If their first stop is at a place 22 km from the school, what per cent of the total distance of 55 km is this? What per cent of the distance is left to be covered?

A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The picnic site is 55 km from the school and the transport company is charging at the rate of Rs 12 per km. The total cost of refreshments will be Rs 4280 Can you tell : The ratio of the number of girls to the number of boys in the class?

A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The picnic site is 55 km from the school and the transport company is charging at the rate of Rs 12 perkm and the cost of refreshment is Rs.4280.Find : The amount which has to be taken from each person if two teahers are also to go with them.

A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The picnic site is 55 km from the school and the transport company is charging at the rate of Rs 12 per km. The total cost of refreshments will be Rs 4280 Can you tell : The cost per head if two teachers are also going with the class?

Total number of students of a school in different years is shown in the following table: Prepare another pictograph of students using any other symbol each representing 50 students.Which pictograph do you find more informative? .

After the ban on plastic bags, students of one school decided to make the people aware of the harmful effects of plastic bags on environment and Yamuna River. To make the awareness more impactful, they organized rally by joining hands with other schools and distributed paper bags to vegetable vendors, shop keepers and departmental stores. All students pledged not to use polythene bags in future to save Yamuna River. After reading the above passage, answer the following question : What values are shown by the students?