The price of 10 chairs is equal to that of 4 tables. The price of 15…

Question

The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is:

Accepted Answer

Option D. Rs. 3900. Answer & Solution Answer: Option D Solution: & Let\, the\, cost\, of\, a\, chair\, and\, that\, of\,\, table & \, be\,Rs.\,x\, and\,Rs.\,y\, respectively. & Then,\,10x = 4y\,\,\,or\,\,\,y = 5/2x & 15x + 2y = 4000 & 15x + 2 × 5/2x = 4000 & 20x = 4000 & x = 200 & So,\,y = 5/2 × 20…