Which of these numbers is on the left side of -9 on a number line?
A
3
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B
-10
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C
-4
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D
0
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Solution
The correct option is B
-10
Any number which is to the left of another number on the number line is smaller than the given number.
So, among these numbers, we need to find a number smaller than -9.
On observing the given cases, we can observe that -10 is the only number which is less than -9, and therefore, it must lie to the left of -9 on the number line.