@sujamait said:the sum of 1st 7 terms of1+4+18+96+600 +..
(n-1)! n^2 --> 40319???
@sauravd2001 said:@19rsb bhai sahi hai m so tard n stupid i canttell u i took it out right upto 80 match in first round later i didnot count the last 3 matches ohh man katta ho gaya itni mehnat ke baad :/
@sauravd2001 said:@sujamait bhai ne itna tagda approach diya aur tu use jugad kah raha hai aar paar ka hi queston tha

@sauravd2001 said:@sujamait 2 sides hue 1.25 aur 5.25 something so third side should be smaller than 6.5 and greater than 4 nd option bane 2.66,7.3,3.4,8.4 toh koi option fit ni baitha none of these

@sujamait said:arey bhai jugad matlab approach...2 sides of a triangle are 2^1/3 and 3+rt(5).which can be the length of third side.20^1/33rt6rt122rt18
@19rsb said:me too gettin d same......
@kingsleyx said:None of these. If option D) is just rt18 , then it wud be the answer !!
@sujamait said:there are 6 couples in a tennies tournament.the 6 men and 6 women have to play mixed double games among themselves such that a team is never a couple.Find the maximum number of mixed double matches possible with diffrent combination of people.
@Angadbir said:Select 2 guys (X,Y)-> C(6,2)Select 2 females (None being wives of either of X,Y) -> C(4,2)Total ways = 15*6* 2! = 180There are more cases where 1 or more husbands plays against his wifeCase of 1 couple in a game -> C(6,2) * C(4,1) * 2 = 15 * 8 = 120Case of 2 couples in a game -> C(6,2) * 1 = 15Total ways = 180 + 120 + 15 = 315

@sujamait said:there are 6 couples in a tennis tournament.the 6 men and 6 women have to play mixed double games among themselves such that a team is never a couple.Find the maximum number of mixed double matches possible with different combination of people.
@chillfactor said:C(6, 2)*C(6, 2)*2 - C(6, 2) - C(6, 1)*C(5, 1)*C(4, 1) = 450 - 15 - 120= 315@sujamait C(6, 2)*C(6, 2)*2 se zyaada kaise ho sakta hai answer
@sujamait said:a spherical gulab jamun contains 30% sugar syrup by volume and 45% sugarsyrup by mass.A gulab jamun weighing 100g by mass is 200 cc by volume.find the radius of each gulab jamun ,which has 26.325 gm of sugar syrup in it.