Maths-
General
Easy
Question
The cost of 16 bags of washing powder, each weighing 1.5 kg, is Rs.672. Find the cost of 18 bags of the same, each weighing 2 kg.
Hint:
Hint:
In a proportional relationship, the variables are related by a constant ratio(k). For example, the equation which can relate the two variables can be written in the form:
y = (constant) 
x or y = k x.
So, for solving these types of questions we need to create a proportional relationship between the variables. These relationships can be direct, inverse etc.
The correct answer is: Rs.1008.
Step 1 of 2:
It is given that cost of 16 bags of washing powder, each weighing 1.5 kg, is Rs.672.
Total weight of washing powder that will cost Rs.672 = No. of bags Weight of each bag
= 16 1.5 = 24 kg
Cost of 1 kg of washing powder = 
= 
= 28
Step 2 of 2:
Now we are asked to find the cost of 18 bags of the same, each weighing 2 kg.
Total weight of washing washing powder = 2 18 = 36 kg
Total cost = Total weight Cost of 1 kg
= 36 28 = Rs.1008
Final Answer:
Hence, the cost of 18 bags of the same, each weighing 2 kg is Rs.1008.
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