gneet TOPIC : C.A. foundation solution Permutation and Combination Additonal Questions Number of questions are 144

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Paper 4 eco detailed solutions

The more you practice the better you'll be, the harder you train the great in you they'll see.

Q1) There are 6 routes for journey from station A to station B. In how many ways you
may go from A to B and return if for returning you make a choice of any of the
routes?

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There are 6 routes for journey from station A to station B. We can select any one route to so we have 6 options. As for returning we make a choice of any of the routes, so we have again 6 possible options.

∴The number of way we plane the routes

= 6 ×6 = 36.

Answer : (c)

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Exercise 5 A Q.1 to Q.23 Cumulative number 1 to 23

Exercise 5 B Q.1 to Q.21 Cumulative number 24 to 44

Exercise 5 C Q.1 to Q.22 Cumulative number 45 to 66

Exercise 5 D Q.1 to Q.20 Cumulative number 67 to 86