Question

For a wedding photoshoot, Ravi needs two bulbs around a mirror. There are only two slots for the light bulbs on either side. He has eight bulbs out of which four are working, and the other four are not working. He needs to try it out to find a pair that lights up the mirror properly. What is the least number of trials he needs for proper lighting?​

Answer 1

Answer:

Step-by-step explanation:

let's take all bulbs as

1:2:3:4

ok???

then see its asking the number of trials soo we have to write the answer as 4 I think soo coz

see

1:2

3:4

4:1

2:3

soo total outcome 4

as its asking that he wants pair of PROPER LIGHTING BULBS. soo he will try every bulb with each other and fing the corrct pair

soo I think number of trial is 4

Answer 2

Answer:Answer:

Step-by-step explanation:

let's take all bulbs as

1:2:3:4

ok???

then see its asking the number of trials soo we have to write the answer as 4 I think soo coz

see

1:2

3:4

4:1

2:3

soo total outcome 4

as its asking that he wants pair of PROPER LIGHTING BULBS. soo he will try every bulb with each other and fing the corrct pair

soo I think number of trial is 4