Original area =xy.
Condition 1: (x−50)(y+50)=xy⇒50x−50y−2500=0⇒x−y=50.
Condition 2: (x−10)(y−20)=xy−5300⇒−20x−10y+200=−5300⇒2x+y=550.
The equations in terms of x and y are:
CUET UG 2022 — Mathematics Algebra
2022mcqmedium
The equations in terms of x and y are:
Official previous-year question
Held on 30 Aug 2022 · Verified 13 Jul 2026.
Options
- A
x−y=50,2x+y=550
- B
x+y=40,2x−y=550
- C
x−y=10,2x+y=50
- D
x−y=30,2x+y=505
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