Subject
Quantitative Aptitude
Topic
Mensuration
If two opposite sides of a square are increased by 10 cm each, then the sides of previous and new figure are in the ratio of 11:12. What is the area of the original square?
If two opposite sides of a square are increased by 10 cm each, then the sides of previous and new figure are in the ratio of 11:12. What is the area of the original square?
ক)
11000 cm2খ)
12100 cm2গ)
22010 cm2ঘ)
44100 cm2ঙ)
None of theseExplanation
Let the original side of the square be X cm, then new sides of the new figure would be X cm and X+10 cm. Now, new ratio of the sides = X : X + 10, ⇒ 11 : 12 = X : X + 10, Solving, X = 110 cm. ∴ Side of the original square = 110 cm. ∴ Area of the original square = multiplication of both sides = 110 × 110 = 12100 cm 2 .Related questions
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