Question

For a journey the cost of a child ticket . It the $\frac{1}{3}$ of the cost of an adult ticket, It the cost of tickets for 4 adults and 5 children is RS.85, the cost of a child ticket is

• A. Rs 5
• B. RS 6
• C. RS 10
• D. RS 15

Answer 1

The correct option is A Rs 5

Let cost of adult ticket = Rs. x
$\therefore$ Cost of child's ticket = Rs.$\frac{x}{3}$
By hypothesis 4$\times$x+5$\times$$\frac{x}{3}$=85
or 17x=255 or x=15
Hence cost of child's ticket $=\frac{x}{3}=\frac{15}{3}=$Rs. 5