Question

Which is the correct ascending order of the following on the basis of their costs?

• A. AC < Refrigerator < Television
• B. Refrigerator < AC < Television
• C. AC < Television < Refrigerator
• D. AC < Refrigerator < Television

Answer 1

The correct option is C AC < Television < Refrigerator

Say:
1. Refrigerator, television, and AC with cost are given.

Steps:
1. Which digits are the same in the given costs?
a. Thousands and hundreds digits are the same.
2. Which digits we compare for comparing costs?
a. Digits at tens and ones place.
3. Which is smaller in both costs $\$3,550$ and $\$3,551$ because tens digit is the same?
a. $\$3,550$ is smaller by comparing the ones digits 1 > 0
4. Which cost is least among the three?
a. $\$3,549$, by comparing tens digit $\$3,549$ is least. (WB1)
5. What is the correct comparison?
a. $\$3,549$ < $\$3,550$ < $\$3,551$ (WB1)
6. What is the comparison of Refrigerator, television, and AC costs?
a. AC < Television < Refrigerator
Hence, Option C is correct.

WB:
(WB1)