Math, asked by sujoysingh86, 3 months ago

y In each case study question, you have to attempt
only four out of five Sub-ports​

Answers

Answered by sohanveers245
0

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

(3)5 from part 1 & 3 from part 2

=

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