You are the President of the Cultural Club of Marigold Public School, Vir Nagar. As part of the Annual Community Service Week, you are planning to put up a cultural performance in ‘Ahista’, a senior citizens home. Draft a notice for the school notice board inviting participation by the students. Invent necessary details.
You are Shri E.A.S. Prasad, a well-known local cricketer. You have been invited as a chief guest for an inter-school cricket championship in K.P.S School, Mahabagh. Create an appropriate formal letter of acceptance.
You have been making documentaries on how rivers, the lifelines of our nation, are under serious threat due to river pollution. Write a letter to the editor of a national daily, examining the reasons for this pollution and suggesting ways of tackling the issue. You are Srishti/Suraj, a concerned student.
You are Priti/Pramod Vats, a resident of 317, Rajdhani Enclave, Rajbagh. You saw the given advertisement in the newspaper and wished to apply for the same. Write a letter to the Personnel Manager along with your bio-data, expressing your interest in the advertised post.
A cylindrical tank of radius 10 cm is being filled with sugar at the rate of 100π cm3/s. The rate at which the height of the sugar inside the tank is increasing is: