In a school some of the students opted for the NSS and some opted for gardening. Three times the number of students opting for NSS is `10` less than twice the number of students opting for gardening. One-third the number of students opting for NSS is equal to one-fifth the number of students opting for gardening. Find the number of students opting for NSS and gardening respectively.

What is the number of students who opted for dancing ?

What is the respective ratio between the number of students who opted for dancing and karate who opted for painting

What is the respective ratio between the number of students who opted for painting and that who opted for Karate ?

Find the central angle of total number of students who opted for History ?

Total number of students who opted fo Sociologyy and Philosophy together is how much less than total number of students wo opted for Sanskrit and History together ?

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of (a) Number of students who opted basketball to the number of students who opted table tennis. (b) Number of students who opted cricket to the number of students opting basketball. (c) Number of students who opted basketball to the total number of students.

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of Number of students who opted cricket to the number of students opting basketball.

If in the pie chart representing the number of students opting for different streams of study out of a total strength of 1650 students , the central angle of the sector representing arts students is 48^@ then what is the number of students who opted for arts stream ?