1 . Two bus tickets from cit A to B and three tickets from city A to C cost Tk 77 but three tickets from city A to B and two tickets from city A to C cost Tk 73. What are the fares for cities B and C from city A?

• A. Tk 4, Tk 23
• B. Tk 13, Tk 17
• C. Tk 15, Tk 14
• D. Tk 17, Tk 13
• D. None of these

Answer: Option B

Explanation:

"Let, fare for B from A =  x
Fare for C from A  =  y 
2x   +   3y  =  77
3x   +   2y  =  73 
x  =  13, y  =  17"