Social Arithmetic and Profit Calculations

This video tutorial on the Aroan learning channel covers preparation for the 2024 OSN mathematics competition. It includes solving problems related to price reduction, profit and loss, and a problem in English. The video also promotes channel subscription and offers resources for further study.

What is the main topic discussed in the video?

• Social arithmetic problems for OSN preparation

• Language learning techniques

• History of mathematics

• Science experiments

If the price of pants is reduced from Rp66,000 to Rp45,000, what is the percentage decrease?

• 31.82%

• 25%

• 50%

• 15%

After the price reduction, what is the new price of a shirt originally priced at Rp22,000?

• Rp15,000

• Rp18,000

• Rp20,000

• Rp12,000

What is the profit percentage from the first house sold by Pak Abun?

• 40%

• 10%

• 20%

• 30%

What is the overall loss experienced by Pak Abun after selling both houses?

• Rp2 million

• Rp3 million

• Rp500,000

• Rp1 million

In the English problem, what is the original profit percentage before the price reduction?

• 40%

• 50%

• 30%

• 60%

What is the new profit percentage after the price of the shirt is reduced to Rp18,000?

• 40%

• 30%

• 10%

• 20%

What is the original price of the shirt in the English problem?

• Rp18,000

• Rp20,000

• Rp24,000

• Rp15,000

What is the purpose of the video according to the conclusion?

• To learn a new language

• To discuss historical events

• To teach advanced calculus

• To provide practice problems and resources for OSN preparation

What additional resources are suggested for further practice?

• Books and e-books for OSN and KSM preparation

• Online language courses

• Historical documentaries

• Science experiment kits