KBC 2021: Which of these building materials are available in 33 Grade, 43 Grade and 53 Grade?

A. Cement

B. Plaster of Paris

C. Iron bars

D. Wall paints

Answer: Cement. 

A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel together.

The questions asked on KBC Offline Quiz October 11 are: 

KBC 13: Which of the following languages is the oldest of the Dravidian language?

KBC 13: The ancient city of Machu Picchu is in which country? 

KBC 13: Who was the first woman President of of India?

KBC 13: Under the national pension scheme, the government notified a hike...?

KBC 13: The largest dolphin species orca is also known as? 

KBC 13: What is the study of visceral organ called?KBC 13: What was Myanmar formerly known as? 

KBC 13: Late A.P.J Abdul Kalam has written which of the following autobiography? 

KBC 13: Which former Australian cricketer got his nickname 'Dizzy' from his Australian cricket teammates? 

KBC 13: Which country recently test-fired its new S-500 air defence missile system?