plz answer these PP questions

[hyderabadi]

what % of integers between 200and 999 inclusive begin with 8 or 9 and end with an odd digit ??/

2.5% 5% 12.5% 15% 17.5%


2)
A 6 bicylists has to be chosen from 4 adult and 4 children
Col A: How many 3 adult and 4 children teams can be formed
Col B: How many 2 adult and 2 children teams can be formed

2. An octagen was inscribed inside a circle and two lines were drawn connecting to the center from the edges of one side of the octagen. Find the angle between these two lines?

3. An enterprise has a value of 10 - 20millions. If they give shares worth 100$-1000$ to all their employees for the entire value of the company, find the number of employees?
A. 50,000
B. 55,000
C. 60,000
& so on.....


If it take 1 litre of enamel to paint 16 sq.mtrs then how much litres of enamel is required to paint 64 cubic metrs?

[mewidyu]

If it take 1 litre of enamel to paint 16 sq.mtrs then how much litres of enamel is required to paint 64 cubic metrs?

64 cubic meter means 6 faces of 16 sq mtrs..
then it will take 6 litres of enamel

[mewidyu]

what % of integers between 200and 999 inclusive begin with 8 or 9 and end with an odd digit ??/

2.5% 5% 12.5% 15% 17.5%

total nos will range between 800-999 so there will be total of 100 evens and 100 odds
so the percentage will be 100*100/799=12.5%

[mewidyu]

2. An octagen was inscribed inside a circle and two lines were drawn connecting to the center from the edges of one side of the octagen. Find the angle between these two lines?

angle will be= 360/no of sides of the polygon=360/8=45