SIMPLE P N C REVISION

IF a team of 11 players is to b selected from 8 batsmen..6 bowlers..2 wktkipers..4 all ruonders...

1>NO.of selections wen atmost 1 each of wktkipers n alrnder play?
2>NO.of selections wen 2 particular batsmen dont play wen a particular bowler plays
3>NO.of selections wen a particular batsman and a particular bowler dont want to play together

18 Answers

1
Avinav Prakash ·

ans 1)(4C1*14C10) + (2C1*14C10) + (2C1*4C1*14C9) + (14C11)

PLz try OTHERS ...THEY R SIMPLER ONES

49
Subhomoy Bakshi ·

arre got my mistake in Q2...

i tht wen one batsman plays the other mst also play...

i am such a fool...[3][3][3][3]

49
Subhomoy Bakshi ·

for no 2 i tht thus...

CASE 1: 2 batsmen surely play 1 bowler doesnt
CASE 2: 2 batsmen don bt the bowler surely does
CASE 3: neither bowler nor batsmen play..

1
Avinav Prakash ·

2> 17C11+19C11+17C10
3> 19.C11+18C10

PLZ EXPLAIN WHY???

49
Subhomoy Bakshi ·

yup give d answers....plzzz give d answers....jaldi

mai chal jaunga...wanna kno dem b4 i go..

49
Subhomoy Bakshi ·

whch one is wrng???

1
Avinav Prakash ·

no shubho....do i give ans????

49
Subhomoy Bakshi ·

arre avinav...am i right???[2][1][5][7][7][7]

49
Subhomoy Bakshi ·

i tried all....see my answers...[1][1][1]

1
ABHI ·

1) 2C1 + 4C1 + 14C9 ???

49
Subhomoy Bakshi ·

found out mistake in 1..[1][1]

4 cases..
a)1 wkt kpr n 1 all rndr play.
b)1 wkt kpr n 0 all rndr play.
c)0 wkt kpr n 1 all rndr play.
d)0 wkt kpr n 0 all rndr play.

so ans is...(2C1*4C1*14C9) + (2C1*4C0*14C10) + (2C0*4C1*14C10) + (2C0*4C0*14C11)

now surely it is correct...[1][1][1]

49
Subhomoy Bakshi ·

3)the ans is equal to...20C11-18C9

49
Subhomoy Bakshi ·

3) similar to previous problem...ans=18C10+18C10+18C11

49
Subhomoy Bakshi ·

2) wen the bowler play+wen the batsmen paly+none play
=17C10+17C9+17C11

49
Subhomoy Bakshi ·

arre yaar first 1 simply 2C1X4C1X14C11

1
Avinav Prakash ·

ani..u wer close..missed it by a whisker

1
Anirudh Kumar ·

1)
2C1*4C1*14C9
+ 4C1 * 14C10 +
2C1* 14C10

1
Avinav Prakash ·

sry abhirup.....:(....u mised out many ways...try u will get it.. :)

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