Others Maths Puzzle Numerical Ability Permutation and Combination

Q. A tea party is arranged for 2M people along two sides of along table with M chairs on each side. R men wish to sit on one particular side and S on the other. IN how many ways can they be seated.(provided R,S)

Read Solution (Total 2)

M chairs
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M chairs

so M p r * M p s ..
11 years agoHelpfull: Yes(1) No(4)

r!* p(2m-r-s,m-r)*m!
11 years agoHelpfull: Yes(1) No(2)

Others Other Question

Q. The crew of an 8 member rowing team is to be chosen from 12 men, of which 3 can row on one side only and 2 can row on other side only. Find the number of ways of arranging the crew with 4 members on each side.

Option
A)40320
B)30240
C)60480
D)10080 There are 7 thieves..

They steal diamonds from diamond merchant & run away in jungle..

While running, night sets in & they decide to rest in jungle..

When everybody's asleep two of them who r closest frnds get up & decide to divide the diamonds among them & run away..

So they start distributing bt they found that one diamond was extra..

So they decide to wake up 3rd one & divide diamonds ägäin.. Only to their surprise they stil find one diamond extra..

So they decide to wake up fourth..

Ägäin one diamond is spare..

5th woken up.. Stil one extra!!

6th.. Stil one extra..

Now they wake up 7th one & diamonds are distributed equally..

How many diamonds in total did they steal??