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Question
Two points P & Q are marked on the number line as shown in the figure. The co-ordinate of Q is 9 and the distance between them is 17 units. The co-ordinate of P is
Two points P & Q are marked on the number line as shown in the figure. The co-ordinate of Q is 9 and the distance between them is 17 units. The co-ordinate of P is
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Solution
The correct option is B -8
If we plot these points on the number line
Here P lies to the left of 9.
⇒ P is 17 units less than 9
Now 9 - (P) = 17
⇒−P=17−9
⇒−P=8
⇒P=−8
-8
If we plot these points on the number line
Here P lies to the left of 9.
⇒ P is 17 units less than 9
Now 9 - (P) = 17
⇒−P=17−9
⇒−P=8
⇒P=−8
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