Question
Easy

Students in a class are solving questions based on percentage discounts. One question requires the students to calculate the cost of two bikes, with a 8% discount on each bike. One of the groups calculates the total cost of the bikes and then deducts 16% from the total cost. The method used by this group is :

1
Correct and is the only way to calculate the discount and cost.
2
An alternate strategy to solve the question.
3
False, since they have deducted 16% discount from the total instead of 8%.
4
False, since they have deducted 16% from the total instead of 16% from the average of the total.
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Pedagogy of Mathematics
Topic: Approaches & Evaluation in Mathematics Teaching
Correct Answer
Option C
Explanation

Option 3 is the correct answer because the group made an error in their calculation by deducting a 16% discount from the total cost of the two bikes instead of applying an 8% discount to each bike individually. When calculating percentage discounts, it is crucial to apply the discount to each item separately, especially when the discount percentage is specified for each item. By deducting 16% from the total, theтАжRead More

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