- A₹505
- B₹525
- C₹545
- D₹485
Show answer
Concept: Subtract the two equations to remove the tables, then find the chair price.
- and .
- Subtracting: .
- .
- .
Trick: is the average of the two given totals: .
Answer: (A) ₹505
अवधारणा: दोनों समीकरण घटाकर मेज़ हटाएँ, फिर कुर्सी का मूल्य निकालें।
- तथा ।
- घटाने पर: ।
- ।
- ।
ट्रिक: दोनों योगों का औसत है: ।
उत्तर: (A) ₹505
