There are two lights one is green another one is red. green blinks 2 times per a minute, red blinks 3 times per 2 minutes. If two lights are start at same time how many time they blink together in 1 hours.
Answer Posted / vpkprasana
300
for a hour 60 min
for green 60x2=120
red =60x3=180
so 12+180=300
| Is This Answer Correct ? | 1 Yes | 4 No |
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