1.

A bell tolls at a regular interval of 20 minutes. A second bell tolls ata regular interval of 50 minutes. They toll together at 3 p.m. At whattime will they next toll together?

Answer»

Step-by-step EXPLANATION:

A BELL - 20 min.

B bell - 50min

So.

together bell TIME =lcm of both time

lcm of20-50 is 100

so after 100.min they bell together

MEANS.... at 4:40pm



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