Data Interpretation - Pie Charts - Discussion

Discussion Forum : Pie Charts - Pie Chart 12 (Q.No. 1)
Directions to Solve

Study the following graph and the table and answer the questions given below.

Data of different states regarding population of states in the year 1998

Total population of the given States = 3276000.

 States Sex and Literacy wise Population Ratio Sex Literacy M F Literate Illiterate A.P 5 3 2 7 M.P 3 1 1 4 Delhi 2 3 2 1 Goa 3 5 3 2 Bihar 3 4 4 1 U.P. 3 2 7 2 T.N. 3 4 9 4

1.
What will be the percentage of total number of males in U.P., M.P. and Goa together to the total population of all the given states?
25%
27.5%
28.5%
31.5%
Explanation:

 Number of males in U.P = 3 of (15% of N) = 3 x 15 x N   = 9 x N . 5 5 100 100

where N = 3276000.

 Number of males in M.P = 3 of (20% of N) = 3 x 20 x N   = 15 x N . 4 4 100 100

 Number of males in Goa = 3 of (12% of N) = 3 x 12 x N   = 4.5 x N . 8 8 100 100

Total number of males in these three states
 = (9 + 15 + 4.5) x N 100
 = 28.5 x N . 100

Required Percentage =
 28.5 x N 100
x 100 % = 28.5%.
N

Discussion:
16 comments Page 2 of 2.

Can anyone tell me how did come 15%? I cannot understand this problem?

Directly we can take the male percentages to total.

i.e. U.P. Male = 3% of 15% 3276000.

Like this we can take M.P and GOA then we add.

Shailesh. See the pie chart. Its show the percentage.

UP - 15%.
MP - 20%.
Goa - 12%.

I Hope that you Got My Point.

Can any one tell me that how did come 15%, 20% and 12%?

How 3/5 comes at first step?

Ans:

Ratio of males and females in UP = 3 : 2

Number of Males = 3/(3+2) = 3/5 of 15% of N.