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61. Pie-charts show the expenses on various heads show the expenses on various heads in construction of a house. Study the pie-chart.

What percentage of the total amount is being spent on cement in 1991?


What percentage of the total amount is being spent on cement in 1991?
Solution:
Required percentage = × 100 = 30%
62. Pie-charts show the expenses on various heads show the expenses on various heads in construction of a house. Study the pie-chart.

The percentage increase in the amount spent on labour from 1991 to 2001, given that the total amount spent on the construction of the house is Rs. 360000 in 1991 and Rs. 864000 in 2001 is:


The percentage increase in the amount spent on labour from 1991 to 2001, given that the total amount spent on the construction of the house is Rs. 360000 in 1991 and Rs. 864000 in 2001 is:
Solution:
63. Study the pie-chart and table given below and answer the questions.
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

The percentage of females working in IT department to the total number of employees working in the organization is:
= 800 ×
= 160
Number of females
= 160 - 74
= 86
∴ Required percentage
= × 100
= 10.75%
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

Department | No. of Males |
Production | 245 |
HR | 12 |
IT | 74 |
Marketing | 165 |
Accounts | 93 |
The percentage of females working in IT department to the total number of employees working in the organization is:
Solution:
Number of employees in IT department= 800 ×
= 160
Number of females
= 160 - 74
= 86
∴ Required percentage
= × 100
= 10.75%
64. Study the pie-chart and table given below and answer the questions.
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

The respective ratio between the number of females working in HR department to the total number of employees working in the HR department is:
= × 800
= 40
Numbers of females
= 40 - 12
= 28
∴ Ration = 28 : 40 → 7 : 10
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

Department | No. of Males |
Production | 245 |
HR | 12 |
IT | 74 |
Marketing | 165 |
Accounts | 93 |
The respective ratio between the number of females working in HR department to the total number of employees working in the HR department is:
Solution:
Number of employees in HR department= × 800
= 40
Numbers of females
= 40 - 12
= 28
∴ Ration = 28 : 40 → 7 : 10
65. Study the pie-chart and table given below and answer the questions.
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

The ratio of number of males in marketing department to the number of females working in that department is:
Males = 165
Females = 192 - 165 = 27
∴ Required ratio
= 165 : 27
= 55 : 9
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

Department | No. of Males |
Production | 245 |
HR | 12 |
IT | 74 |
Marketing | 165 |
Accounts | 93 |
The ratio of number of males in marketing department to the number of females working in that department is:
Solution:
Total employees in Marketing department = 192Males = 165
Females = 192 - 165 = 27
∴ Required ratio
= 165 : 27
= 55 : 9
66. Study the pie-chart and table given below and answer the questions.
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

The percentage of the number of male employees working in marketing department to the total number of employees in marketing department is:
= × 800
= 192
∴ Required percentage
= × 100
= 85.93%
≈ 86%
Details of the percentage of employees working in various departments in an organization and number of males among them.
Total number of employees = 800.

Department | No. of Males |
Production | 245 |
HR | 12 |
IT | 74 |
Marketing | 165 |
Accounts | 93 |
The percentage of the number of male employees working in marketing department to the total number of employees in marketing department is:
Solution:
Number of employees in marketing department= × 800
= 192
∴ Required percentage
= × 100
= 85.93%
≈ 86%
67. The following pie-chart shows the sources of funds to be collected by the National Highways Authority of India (NHAI) for its phase II projects. Study the pie-chart and answer the following three questions:

If the toll is to be collected through and outsourced agency by allowing a maximum 10% commission how much amount should be permitted to be collected by the outsourced agency, so that the project is supported with Rs. 4,910 crores?

If the toll is to be collected through and outsourced agency by allowing a maximum 10% commission how much amount should be permitted to be collected by the outsourced agency, so that the project is supported with Rs. 4,910 crores?
Solution:
Let the amount permitted to be collected = Rs. x
68. The following pie-chart shows the sources of funds to be collected by the National Highways Authority of India (NHAI) for its phase II projects. Study the pie-chart and answer the following three questions:

The central angle corresponding to Market Borrowings is:
= 29952 + 11486 + 5252 + 4910 + 6000
= 57600
57600 = 360°
then,
29952 =
= 52°

The central angle corresponding to Market Borrowings is:
Solution:
Total funds= 29952 + 11486 + 5252 + 4910 + 6000
= 57600
57600 = 360°
then,
29952 =
= 52°
69. The following pie-chart shows the sources of funds to be collected by the National Highways Authority of India (NHAI) for its phase II projects. Study the pie-chart and answer the following three questions:

If NHAI could receive a total of Rs. 9,695 crores as External Assistance, by what percent (approximately) should it increase the market Borrowing to arrange for the shortage of funds?
= 11486 - 9695
= Rs. 1791
% increase in market borrowing

If NHAI could receive a total of Rs. 9,695 crores as External Assistance, by what percent (approximately) should it increase the market Borrowing to arrange for the shortage of funds?
Solution:
The amount require for compensation= 11486 - 9695
= Rs. 1791
% increase in market borrowing
70. Revenue earned by the Central Government is given in pie-chart. Study the pie-chart and answer 4 questions:

If the percentage of revenue earned by the Central Government from Corporation Tax is X times to that of the percentage of money earned from percentage of money earned from Excise Duty, then the value of x is.
9 = x × 41
x =

If the percentage of revenue earned by the Central Government from Corporation Tax is X times to that of the percentage of money earned from percentage of money earned from Excise Duty, then the value of x is.
Solution:
Corporation tax = x × Excise duty9 = x × 41
x =