Math, asked by supriyajha8907, 6 months ago

16. Four different devices beep after every half hour, 60 min, 1 and half hours, and 135 min respectively. All
the devices beeped together at 12 noon. They will beep together again at:
A] 12 midnight
B] 6 AM
C] 9 PM
D] 7:30 AM

Answers

Answered by shabnoorkhan06

0

Answer:

all of the above is the correct answers

Answered by amulya2726

1

Answer:

A = 30 min

B = 60 min

C = 90 min

D = 105 min

LCM of ABCD = 1260 min or 21 hours

Required Time = 12 Noon + 21 => 9AM

Step-by-step explanation:

Please mark my answer as brainliest

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