Question : X is 30% more than Y and 25% less than Z. If the value of Y is Rs. 300, then what is the value (in Rs.) of Z?
Option 1: 390
Option 2: 400
Option 3: 470
Option 4: 520
Correct Answer: 520
Solution :
Value of Y = 300
So, X = $300 × \frac{130}{100}$ = $390$
Now,
X = Z × $\frac{75}{100}$
⇒ 390 = Z × $\frac{75}{100}$
⇒ Z = $\frac{100}{75}\times 390$
⇒ Z = 520
Hence, the correct answer is 520.
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