Answer :

(a) If Palak gets x marks, then Abha gets twice the marks as that of Palak, i.e. 2x,


(b) Two times of Abha’s marks and three times Palak’s marks make 280.


So, the equation formed is 4x + 3x = 280


(c) Solve the equation for x,


4x + 3x = 280


7x = 280



x = 40


Hence, the solution of the equation is 40.


(d) Marks obtained by Abha are 2x, i.e. 2 × 40 = 80


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