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Byju's Answer
Standard VI
Mathematics
Operations on Number Line
Which of the ...
Question
Which of the following number sentences best describes the problem shown on the number line?
A
−
2
+
(
−
4
)
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B
−
5
+
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
5
+
(
−
3
)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
−
4
+
2
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Solution
The correct option is
D
−
4
+
2
Length of upper Ray
¯
¯¯¯¯¯¯
¯
A
B
=
2
units
Direction of this Ray is in
+
x
direction
⇒
¯
¯¯¯¯¯¯
¯
A
B
=
+
2
units
Length of bottom Ray
¯
¯¯¯¯¯¯¯
¯
C
D
=
4
units
Direction of this Ray is in
−
x
direction
⇒
¯
¯¯¯¯¯¯¯
¯
C
D
=
−
4
units
Thus
¯
¯¯¯¯¯¯
¯
A
B
+
¯
¯¯¯¯¯¯¯
¯
C
D
=
+
2
−
4
ints
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