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Height of a place A is 1800 m above sea ...

Height of a place A is 1800 m above sea level. Another place B is 700 m below sea level. What is the difference between the levels of these two places?

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NCERT EXEMPLAR-INTEGERS-(C) EXERCISE
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  11. Height of a place A is 1800 m above sea level. Another place B is 700 ...

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