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E23 Math
Question 43
2021 December(E23) Math Question 43
Word Problems
- Distance, Speed, Time
Speed, Distance, and Time
Choice D
According to the figure
T
o
t
a
l
t
i
m
e
t
r
a
v
e
l
l
e
d
=
6
h
r
s
Total\; time\; travelled=6\; hrs
T
o
t
a
l
t
im
e
t
r
a
v
e
ll
e
d
=
6
h
rs
T
o
t
a
l
d
i
s
t
a
n
c
e
c
o
v
e
r
e
d
=
450
k
m
Total\; distance\; covered=450\; km
T
o
t
a
l
d
i
s
t
an
ce
co
v
ere
d
=
450
km
∴
A
v
e
r
a
g
e
s
p
e
e
d
=
{
4
50
}
{
6
}
=
75
k
m
/
h
\therefore Average\; speed=\frac\{450\}\{6\}=75\; km/h
∴
A
v
er
a
g
e
s
p
ee
d
=
4
{
50
}
{
6
}
=
75
km
/
h
Skills you are tested for:
Speed, Distance, and Time
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