Question

24. Three measuring rods are 64 cm, 80 cm and 96 cm in length. Find the
least length of cloth that can be measured an cuact number of times,
using any of the rods.
25. An electronic device makes a beep after every 60 seconds. Another
device makes a beep after every 62 seconds. They beeped together at
10 a.m. At what time will they berp together at the earliest?
26. The traffic lights at three different road crossing change after every
48 seconds, 72 seconds and 108 seconds respectively. If they all change
simultaneously at 8 a.m. then at what time will they again change
simultaneously?
27. Six bells commence tolling together and toll at intervals of 2.4.6.8.
10, 12 minutes respectively. In 30 hours, how many times do they toll
together?
ANSWERS (EXERCISE AR​

Answer 1

Step-by-step explanation:

24. answer

when we get the word least we have to do LCM

now you do the LCM of 64,80,96 you get the answer as 960