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Juwan Jaffer
Subject: Maths
, asked on 21/1/17
One card is drawn from a pack of 52 cards . find the probability of the card drawn is either black or king
Answer
1
Nimish Goyal
Subject: Maths
, asked on 4/1/17
Help in this Q dear experts......plz
20. In a game A throws two ordinary dice. If he throws 7 or 11 he wins. If he throws 2, 3 or 12 he loses. If he throws
any other number, he throws again and continues to throw until either the number he threw first or 7 turns up. In the first
case he wins and in the second he loses. Show that the odds against his winnings is 251 : 244.
Answer
1
Gauree
Subject: Maths
, asked on 1/1/17
In a knockout game having 8 contestants P1, P2, P3, P4, P5, P6, P7, P8.
in a match between Pi and Pj, Pi wins always such that i < j . Find the probability of P2 reaching the final.
Answer
1
Prithesh Dwivedi
Subject: Maths
, asked on 1/1/17
Two players A and B plays a series of ‘2n’ games . Each game can result in either a win or loss for A. Find the total number of ways in which A can win the series of these games . ( all the games are to be played).
Answer
1
Mansi Sahu
Subject: Maths
, asked on 27/12/16
A bag contains 3 red and 5 blue balls. A second bag contains 5 red and 3 blue balls. Two balls are drawn randomly from the first bag and are put into the second bag without noticing their colours and then two balls are drawn from the second bag. Find the probability that the balls are blue and white.
Answer
1
Nikki Shah
Subject: Maths
, asked on 19/12/16
. Bag A contains 4 red, 3 white and 2 black balls. Bag B contains 3 red, 2 white and 3 black balls. One ball is transferred from bag A to bag B and then a ball is drawn from bag B. The ball so drawn is found to be red. Find the probability that the transferred ball is black. ans is 2/33 i want the solution
Answer
2
Ishita Nigam
Subject: Maths
, asked on 15/12/16
find the probability that a leap year selected at random will contain 53 sundays or 53 mondays?
Answer
1
Mukul Agrawal
Subject: Maths
, asked on 14/12/16
Let A,B and C be three events. IF the probability of occuring of at least one event out of A and B is 1-a, atleast one event out of B and C is 1-2a, at least one event C and A is 1-a and that of occuring three events simultaneously is a^2 , then the probability that atleast one out of A,B,C will occur is
Answer
1
Manideep Varma
Subject: Maths
, asked on 13/12/16
a dice is thrown 5 times , then the probability that an even number will come up exactly 3 times is
Answer
1
Tushar Gupta
Subject: Maths
, asked on 2/12/16
12 men complete a job in 18 days.6 days after they started work 4 men joined them.How many days will they take to complete the remaining work.
Answer
4
Vaishnavi K
Subject: Maths
, asked on 29/11/16
if a fair coin is tossed 8 times, find the probability of getting 1. exactly 3 heads
2.atleast 3 heads 3. atmost 3 heads
Answer
3
Greeshma V S
Subject: Maths
, asked on 10/11/16
If S={ } and E={ }, Is E is sure event or impossible event? why? If so what about P(E)(probability of event)
Answer
1
Suroj Dey
Subject: Maths
, asked on 4/11/16
A women has 10 keys out of which only 1 opens the lock, she tries each key one by one keeping the failed ones aside, then what is the probability that the 7th key is the one which opens the lock? (p lz by tomorrow evening, on
Answer
2
Harsh Sharma
Subject: Maths
, asked on 2/11/16
let a,b,c,d,e,f be positive integer such that a/b < c/d < e/f suppose af - be = -1 .show that d>=b+f
Answer
1
Jaisy
Subject: Maths
, asked on 1/11/16
WE HAVE 37 EMPTY BOTTLE AND HAVE 12 LITRE OIL HOW WILL WE FILL 37 BOTTLE IN EQUAL AMOUNT
Answer
2
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20. In a game A throws two ordinary dice. If he throws 7 or 11 he wins. If he throws 2, 3 or 12 he loses. If he throws
any other number, he throws again and continues to throw until either the number he threw first or 7 turns up. In the first
case he wins and in the second he loses. Show that the odds against his winnings is 251 : 244.
in a match between Pi and Pj, Pi wins always such that i < j . Find the probability of P2 reaching the final.
2.atleast 3 heads 3. atmost 3 heads