Math, asked by ganga7142, 5 hours ago

An examination paper consists of 12 questions divided into two parts A and B. Part A contains 7 questions and part B contains 5 questions. A candidate is required to attempt 8 questions selecting at least 3 from each part, in how many maximum ways can the candidate select the questions?

Answers

Answered by amansingh108065
2

Answer:

There are 5 question in parts & 7 question in parts 2

atleast 8 question have to we attempted & 3 from lach part.

There are 3 options

(1)3 from part 1 & % from part 2

no, of ways

=5C3×7C5

=3!(5−3)!5!×5!(7−5)!7!

=25×4×=27×6

=5×2×7×3

=210 ways 

(2)4 from part 1 & 4 from part 2

=5C4×7C4

=4!(5−4)!5!×=4!(7−4)!7!

=5×=3×2×17×6×5

=5×7×5

=175 ways

bhai aapka Answer

Answered by yazhinimuthu5
7

Step-by-step explanation:

I hope this will help you

Attachments:
Similar questions