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There are total of 80000 people (males and females) living across fve cities namely A, B, C, D and E. The pie chart below gives the distribution of people in the fve cities The table given below provides data about the percentage of males in these fve cities.
CITY PERCENTAGE OF MALES A 30% B 40% C 55% D 45% E 60%
What will be the diference between the number of males in city C and number of females in city D if the percentage of people in city C and D is interchanged?
1280
1640
440
360
240
- First, understand the distribution of people in cities C and D. According to the problem, the percentage distributions are interchanged.
- Calculate people in C and D using new percentages. Assume city C initially had X% and D had Y%.
- After interchanging, city C gets Y% of 80,000, and D gets X% of 80,000.
- Calculate the number of males and females using given male percentages.
- In city C, males = 55% of Y% of 80,000.
- In city D, females = 55% of X% of 80,000.
- Find the difference: |Number of males in city C - Number of females in city D|.
The correct option after calculation is:
Option 3, 440.
.
By: Parvesh Mehta ProfileResourcesReport error
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