Problem:
Cost of production is 500. Working cost is 80% of cost of production, work on cost is 150% of office cost, material consumed is 25% of wages. Find material consumed?

Solution:
To find the material consumed, we need to follow the given information and calculate step by step as follows:

Step 1: Calculate the working cost
Working cost = 80% of cost of production
Working cost = 80/100 * 500
Working cost = 400

Step 2: Calculate the office cost
Office cost = Working cost / 1.5
Office cost = 400 / 1.5
Office cost = 266.67

Step 3: Calculate the wages
Wages = Working cost + Office cost
Wages = 400 + 266.67
Wages = 666.67

Step 4: Calculate the material consumed
Material consumed = 25% of wages
Material consumed = 25/100 * 666.67
Material consumed = 166.67

Therefore, the material consumed is 166.67.

Explanation:
The problem requires us to find the material consumed, which is given as 25% of wages. To find wages, we need to calculate the working cost and office cost. Working cost is 80% of cost of production, which is given as 500. Hence, working cost is calculated as 80/100 * 500 = 400. The office cost is given as 150% of the working cost, which is calculated as 400 / 1.5 = 266.67. Wages are the sum of working cost and office cost, which is calculated as 400 + 266.67 = 666.67. Finally, we can calculate the material consumed as 25% of wages, which is calculated as 25/100 * 666.67 = 166.67. Hence, the material consumed is 166.67.