Question

Before Art class, a boy has a spelling test that lasts 20 minutes. Art class lasts for 30 minutes and ends at 9:30 a.m.
What time did the boy start the spelling test?
A
8:40 p.m.
B
8:40 a.m.
C
8:15 .m.
D
8:15 a.m.

Answer 1

Answer:

yarr total time spend by boy is 30+20

=50 minute

then

answer is

9:30-(50)

=8:40 a.m