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Grade: 12

                        

can anyone answer these questions? i couldn’t answer them and i think the highlighted answers are wrong

8 months ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
8392 Points
							Dear student


27)

There are 30 distinct points total lines possible 30 c2 = 29*30/2= 435

28)
Case 1 one point from each line 5c1*10c1*15c1

Case 2 two points from one line and one point from remaining lines

(25*(5c2))+ 15*(15c2) + 20*(10c2)

Add both the cases

Regards
8 months ago
Vikas TU
12141 Points
							
Dear student 
Please ask only one question in a single thread. 
It wil be easier for us to ans. 
Hope you will understand. 
Good Luck 
8 months ago
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