Question
The area of four walls of a room is 112 cm2.
If the length and breadth of the room were equal and the height of the room is 4 cm, then what is the area of the floor?ÂSolution
According to question,  => l = b  Area of the wall = 2(l + b)h  => 112 = 2(l + l) × 4  => 112 = 4 × l × 4  => l = 112/16 = 7 cm  Area of the floor = l × b = 7 × 7 = 49 cm2Â
Which gas is most abundant in the Earth’s atmosphere?
- In which city was India's first World Peace Center recently opened (March 2025)?
- In which year was the Panchayati Raj System inaugurated?
Who took oath as the 9th President of Sri Lanka in 2024?
Which organization received approval from the Indian Air Force in August 2024 to manufacture 200 Astra Mark-1 air-to-air missiles?
Recently, scientists have discovered over 300 new ‘Nazca Lines’ in which country?
The Indian Council of Agricultural Research (ICAR) in its ongoing attempts to deepen engagement with the private sector, has now entered into a MoU with...
- Which country officially permits dual citizenship?
Recently, Reality tech firm unveiled a digital twin of Mohammed QuliQutb Shah’s tomb in which city?
- Following the Ministry of Mines' reclassification of Barytes, Feldspar, Mica, and Quartz as major minerals, what is the extended lease period now applicabl...
Relevant for Exams:
