MathematicsThe sum of the heights A and B is 320 cm and the difference of the heights A and B is 20 cm. The height of B can beClass: 10Class: 10

The sum of the heights A and B is 320 cm and the difference of the heights A and B is 20 cm. The height of B can be


Class: 10


Class: 10


  1. A
    140 cm
  2. B
    145 cm
  3. C
    150 cm
  4. D
    155 cm                                                                                                                                                                                                                  

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    Solution:

    Given, A + B = 320   …(1)
    A – B = 20   …(2)
    Performing (1) – (2)
    2B = 300
    B = 150
    The height of B is 150 cm
     
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