The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
A
TK. 300 and Tk. 390
B
TK. 390 and TK. 300
C
TK. 480 and TK. 210
D
Tk. 400 and TK. 290
Correct Answer: TK. 300 and Tk. 390
Let, cost price of chair = x and " " " table 130x100 = 13x10ATQ,x + 13x10 = 690⇒10x + 13x10 = 690⇒23x = 6900⇒x = 690023.'. x = 300Cost price of chair = TK. 300Cost Price of table = 13×30010 = Tk.390Chair TK. 300 and table TK. 390