Question

At an International Airport, planes take off from four different runways at 4,8,12 and 15 minutes interval. At 9 a.m., planes took off from all the four runways simultaneously, but Reena has missed her flight due to traffic jam. a) At what time will four planes take off together again? b) If Reema reaches airport at 9.30 a.m., then how much time she has to wait for the immediate next flight? c) If the duration of her flight is 1 hour, at what time will her flight land at her destination airport?​

Answer 1

Answer:

numbers.

3= 3

4= 2×2

8= 2×2×2

12= 2×2×3

15=3×5

Lcm= 2×2×2×3×5= 120minutes

After 120 minutes = 2hrs

The 5 planes will next take off together at = 7.30a.m + 2hrs= 9.30a.m

Answer 2

Answer:

it may be 9:34

Step-by-step explanation:

pls mark brailiest