Simultaneous Solution of Inequalities of the form x≥a and x<b; x>a and x<b
Air traffic c...
Question
Air traffic controller has set a limit for the aeroplane to fly at minimum 6000 m above the ground but less than 10000 m.
Represent this in form of inequality. If the height from the ground is represented by h.
A
6,000≤h<10,000
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B
6,000≤h≤10,000
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C
6,000<h<10,000
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D
6,000≤h≥10,000
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Solution
The correct option is A6,000≤h<10,000 Given, h represent the height above the ground.
Step 1 : The minimum height for flying the plane is 6000 m.
This above statement can be represented as : 6000≤h
Step 2 : Also, The maximum height below which a plane is allowed to fly is 10,000 m, which means that h is less than 10,000 m h<10,000