4. What is the least common multiple of 4, 6 and 8?
A. 12
B. 16
C. 18
D. 24
5. A Grade IV teacher required her learners to submit a compilation of their
written works and projects, one in every 5 weeks and a journal or
reflection paper every 7 weeks. If there are 42 school weeks, when will
be both reports due on the same time?
A. 15th
B. 21st
C. 35th
D. 40th
6. The teachers of a big school were scheduled to work from home to reduce
the number of teachers present and ensure physical distancing. Ms.
Teng goes to work every 2 days while Ms. Chu goes to work every 3
days being a subject coordinator. After how many days will they go to
work at the same time?
A. 5th
C. 7th
D. 8th
7. Mr. Cruz goes mountain biking every 6 days and swimming every 8 days.
He did both kinds of exercises today for the first time. How many days
from now will he do both biking and swimming again?
A. 24th day B. 32nd day
C. 48th day D. 60th day
B. 6th​