There are 4 boxes coloured red yellow green blue how many combinations are there for atleast one green box or

at least one red=(R,Y)(R,G)(R,B) = 3 cominations
at least one green=(G,Y),(G,B) = 2 combinations

total = 3+2 = 5 combinations
A.5
10 years agoHelpfull: Yes(45) No(3)

there will be 5 combination.. because a combination of red and green will be common in both the cases.
10 years agoHelpfull: Yes(3) No(1)
there can be 5 combinations
10 years agoHelpfull: Yes(2) No(1)
4 boxes r present ..we had 2 choose green or red.
combination is asked..so
4c2 will be ans..4!/2!2!=4*3*2/2*2=6
10 years agoHelpfull: Yes(1) No(7)
4c1+4c1=6
10 years agoHelpfull: Yes(0) No(4)
12h-->45*x
y h--> 13*x
y=12*5*xx34
5
10 years agoHelpfull: Yes(0) No(2)
atleast 1 green: 1c1*3c1=3
atleast 1 red:1c1*3c1=3
adding both cases:3+3=6
10 years agoHelpfull: Yes(0) No(0)
How u guys came to know tht only two box are selected ....
Please clarify
10 years agoHelpfull: Yes(0) No(0)
atleast 1 green: 1c1*3c1=3
atleast 1 red:1c1*2c1=2
adding both cases:3+2=5
10 years agoHelpfull: Yes(0) No(0)
3c1+3c1=6 i am nt sure....if wrong tell me the correct answer
10 years agoHelpfull: Yes(0) No(0)

There are 4 boxes coloured red,yellow,green,blue.how many combinations are there for atleast one green box or one red box is selected
Option
A.5
B.9
C.6
D.1