Question

Raju things of a number and subtracts one by two from it on multiplying the result by 10 he gets the number 9 times the number you thought of what is the number

Answer 1

$x - \frac{1}{2} = \frac{2x - 1}{2} \\ 10 \times \frac{2x - 1}{2} = 9 \\ 10x - 5 = 9 \\ 10x = 14 \\ x = \frac{14}{10}$