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Let vansh height be x than Mayank height will be 7x/5 According to question 7x/5 - x = 38 cm => 2x/5 =38 => x = 38*5/2=> 19*5 =95 cm Vansh height 95cm and Mayank height 95+38 = 133cm
Let height of Vansh be x cm
      height of Mayank  7x/5
ATQ            7x/5=x-38
                 ⇒ 7x=5x-190
                     2x=190 ⇒ x=95
Height of Vansh is 95 cm.
Height of Mayank 95+38 =133 cm