Question:
3 chairs and 2 table cost Rs.1750 and 5 chairs and 3 tables cost Rs. 2750. What is the cost of 2 chairs and 2 table.
ARs. 1400
BRs. 1250
CRs. 1500
DRs. 1750
Answer:
C. Rs. 1500
Explanation:
Let cost of chair be 'x' and table be 'y' 3x+2y=1750 ---- (1) 5x+3y=2750 ----(2) ------(1)*5 15x+10y=8750 --- (3) ------(2)*3 15x+9y=8250 --- (4) (3) - (4) y=500 3x+2y = 1750 3x = 1750-100 3x = 750 x=250 Cost of 2 chairs and 2 tables =2x250+2x500 = 500+1000=1500