Present age of Akanksha and Anushka are in the ratio 8:7. Three years back their ages were in the ratio 7 : 6. Three years from now what ratio will they have in their ages ?

Arjuna covered first 40 kms at the speed of 8 kph and next 80 kms. at the speed of 12 kph. to reach the market place. What was his average speed for the complete distance ?

Mrs. Kiran found the following formula to calculate her resting energy needs. Energy needs = (Weight in pounds) x 6.7 + 496. If she worked out her energy need as 1065.5 calories. What is her weight in pounds ?

In a certain class the ratio of number of boys to that of the girls is 4:5 If the five girls are shifted from this class to the other how many boys should be added or removed to make the ratio 1:1 ?

Direction (Q. 6 - 10): Study the following table to answer these questions.
Number of officers in various Departments of an organization in different scales.

Deptt.

Personnel

Operations

Systems

Accounts

Maintenance

Public

Relations

Scale

I

225

725

750

300

325

175

II

120

426

576

288

240

150

III

75

250

320

120

85

100

IV

40

126

144

60

30

50

V

25

65

70

35

20

35

VI

4

20

28

15

8

5

What is the ratio between the total number of employees in scale III and scale IV respectively ?

In public relations department, the number of employees in scale II is less than that in scale I by what percent ? (rounded off to two digits after decimal)