1. Percentage word problem

2. Example 1:- Ram bought 36 mangoes. 5 mangoes were rotten
Example 1:- Ram bought 36 mangoes. 5 mangoes were rotten. What is the percentage of the mangoes that were rotten?
Solution:-
Given:- Total mangoes: 36 , rotten mangoes : 5
To find :- percentage of the mangoes that were rotten
percentage of the mangoes that were rotten =
After rounding off hundredths place = 13.89
Ans : Percentage of the mangoes that were rotten is 13.89

3. Example 2:- Shyam’s monthly income is Rs 12,000. He saves Rs 1,200
Example 2:- Shyam’s monthly income is Rs 12,000. He saves Rs 1,200. Find the
percent of his savings and his expenditure.
Solution:-
Given:- monthly income =12000, savings=1200
To Find : percentage of his saving and his expenditure
Let find his expenditure
Expenditure = monthly income – saving
=12000 – 1200 = 10800
percentage of saving 10
=10 %
percentage of expenditure 90
=90 %

4. Example 3: In a class of 30 boys and 20 girls
Example 3: In a class of 30 boys and 20 girls. Find the percentage of boys and girls
Solution
Given: boys 30,girls 20.
To find: percentage of boys and girls
Total students= =50
Ans: percentage of boys=60% , percentage of girls=40%

5. Example 4: In a class of 40 there are 25% girls
Example 4: In a class of 40 there are 25% girls. find the number of boys and girls.
Solution
Given: Total students : 40 , girls: 25% of class
To find: Number of boys and girls.
Number of girls = 25% of (∴ total students=40)
Number of girls = Total students –No of boys
=40-10=30
Ans: Boys=30, Girls=10

6. Try these In a class of 25 boys and 15 girls.
Find the percentage of boys and girls?
Mohan had Rs 200. He spent Rs 120.
Find the percentage of his saving.