Question

A boy must take a red tablet every 20 minutes and a blue tablet every 25 minutes. If he takes both tablets at 12pm, what time will he take both tablets together

Answer 1

Answer:

1:40 p.m.

Step-by-step explanation:

for solving question like these forst calculate teh l.c.m of both digits

l.c.m of 20 and 25 = 100

this means after 100 min he will be taking both of the tablets together

100min = 1hr and 40min

so calculate 1hr 40min after 12pm

it would be 1:40pm