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Q.

Integer used to represent 30 km towards the right is


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a

30 km left

b

-30 km

c

+30 km

d

0  

answer is C.

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Detailed Solution

It is given 30 km towards the right.
The numbers on the left of 0 are negative numbers and the numbers on the right of 0 are positive numbers.
Therefore, the integer used to represent 30 km towards the right is +30 km.
Hence, the correct option is 3.
 
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