Maths · Quadratic equations in real and complex number systems and their solutions
A number exceeds by 40 when added by of itself. The number is
A number exceeds by 40 when added by \( 20 \% \) of itself. The number is
- A. 800
- B. 100
- C. 200
- D. 320
Step-by-step solution
Let the number be x. Adding 20% of itself gives x + 0.2x = 1.2x. This exceeds the original number by 40, so 1.2x - x = 40 → 0.2x = 40 → x = 200.
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