Ram has three pyramidal dice numbered as 1,2,3,4 what is the probability that on throw of dice simultaneously the sum of number appeared on it is a prine number

• ans-22/64
  Explanation:-
  2,3,5,7,11 primes
  for 2 no any possibility
  for 3
  1+1+1=3 (1 way)
  for 5
  1+2+2=5 (3 way)
  1+1+3=5 (3 way)
  for 7
  1+2+4=7 (6 way)
  1+3+3=7 (3 way)
  1+3+3=7 (3 way)
  2+2+3=7 (3 way)
  for 11
  3+4+4=11 (3 way)
  total no of ways=64
  total event occurred is 22
  therefore probability = 22/64
  
• 10 years agoHelpfull: Yes(30) No(7)
• 19/64;
  1 1 1- 1 way,
  1 2 2- 3 ways,
  1 1 3- 3 ways,
  1 2 4- 6 ways,
  1 3 3- 3 ways,
  3 4 4- 3 ways,
  19/64 Ans...
• 10 years agoHelpfull: Yes(20) No(15)
• 
  rigth ans-22/64
  Explanation:-
  2,3,5,7,11 primes
  for 2 no any possibility
  for 3
  1,1,1=3 (1 way)
  for 5
  1,2,2=5 (3 way)
  1,1,3=5 (3 way)
  for 7
  1,2,4=7 (6 way)
  1,3,3=7 (3 way)
  2,2,3=7 (3 way)
  for 11
  3,4,4=11 (3 way)
  total no of ways=64
  total event occurred is 22
  therefore probability = 22/64
• 10 years agoHelpfull: Yes(17) No(0)
• sum of numbers appearing on the face when three pyramidal dice is thrown simultaneously are 3, 5, 7, 11.
  
  (1,1,1);sum=3, 1 event.
  
  (2,2,1);sum=5, 3 events.
  (3,1,1);sum=5, 3 events.
  
  (5,1,1);sum=7, 3 events.
  (4,2,1);sum=7, 3 events.
  (3,3,1);sum=7, 3 events.
  
  (4,4,3);sum=11, 3 events.
  
  so,total number of favourable events=19.
  total number of events=4^3=64.
  
  therefore , probability=19/64.
• 10 years agoHelpfull: Yes(9) No(8)
• 1/4....
  At 1--> 2+3+4= 9 not prime
  At 2 - - > 1+3+4=8 not prime
  At 3 - - > 1+2+4= 7 is PRIME
  At 4, - - > 1+2+3= 6 not prime
  So probability 1/4
  
  
  According to options 16/64 as far as I remember
• 10 years agoHelpfull: Yes(6) No(3)
• for 7 12 chances for all prime numbrs 10 chances so 22/64
• 10 years agoHelpfull: Yes(4) No(0)
• 22/64 or 11/32 is the correct answer
• 10 years agoHelpfull: Yes(3) No(2)
• (1,1,1)- 1
  (1,2,4)- 31!=6
  (3,3,1)- 3
  (4,4,3)- 3
  (2,2,1)- 3
  (1,1,3)- 3
  Total- 19
  Therefore, Probability= 19/(4)^3 = 19/64
  
• 10 years agoHelpfull: Yes(3) No(2)
• (1,1,1)=1 way
  (1,2,2)=3 ways
  (1,3,3)=3 ways
  (1,2,4)=6 ways
  so probability=13/64
• 10 years agoHelpfull: Yes(2) No(2)
• ans 22/64
  
  111=3(1 way)
  122=5(3 ways)
  113=5(3 ways)
  124=7(6 ways)
  133=7(3 ways)
  223=7(3 ways)
  443=11(3ways)
  p=22/64
• 10 years agoHelpfull: Yes(2) No(1)
• 3!+3!/2+3!/2=12
• 10 years agoHelpfull: Yes(1) No(1)
• ans-4/16=1/4
• 10 years agoHelpfull: Yes(1) No(2)
• @SUBHAJIT DHIBAR 7 is also done by (3,2,2)which has 3 ways...is it wright or wrong???plz me me
  
• 10 years agoHelpfull: Yes(1) No(0)
• right ans is 19/64.
• 10 years agoHelpfull: Yes(1) No(1)
• for 3
  1+1+1=3(1 way)
  for 5
  1+2+2=5(3 ways)
  1+1+3=5(3 ways)
  for 7
  1+1+5=7(3 ways)
  1+2+4=7(6 ways)
  1+3+3=7(3 ways)
  2+2+3=7(3 ways)
  for 11
  3+4+4=11(3ways)
  no. of ways for prime no.(E)=1+3+3+3+6+3+3+3=25
  total no. of ways(S)=4*4*4=64
  Therefore, probability=E/S=25/64
  
  
• 9 years agoHelpfull: Yes(1) No(1)
• ans is 19/4
• 10 years agoHelpfull: Yes(0) No(1)
• 4 is not a prme no guyz
• 10 years agoHelpfull: Yes(0) No(0)