Rita decides to decorate her wall with three colors red, blue and orange. She wants to use blue color for part of the wall, red color for part of the wall, red color for of the remaining part and orange for the rest. Find out the following:

i) The fraction of the wall will be colored red will be?

ii) The fraction of the wall will be colored orange will be?

iii) If the wall has an area of 25 square meters, then the area of the wall in m2 that is orange colored will be how much?

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(i)-

, (ii)-

, (iii)-5

(i)-

, (ii)-

, (iii)-5

(i)-

, (ii)-

, (iii)-10

(i)-

, (ii)-

, (iii)-10

answer is A.

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Detailed Solution

Concept- In this question, it has been said that Rita chooses to paint her wall with three different colors. It has also been stated how much of each color she intends to use. Here, we'll start with the 3) and determine the size of each color she wants to use before calculating the percentage of the wall that each will tint.
1) Fraction of the wall will be colored blue

2) Fraction of the wall will be colored red

3) Let us consider, total area of the wall

A section of the wall will now be painted blue

So, area of wall will be left

A portion of the wall will be painted crimson

Now, the area of the wall will be left

As a result, the wall's affected region that will be red is

.
Area of the wall that will be colored blue is

.
Area of the wall that will be colored orange is

.
Hence, the correct answer is option 1.

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