Question

There are two digit number in mind without losing it constructor puzzle create to Arabic relation between the two digit of the number and solve the puzzle

Answer 1

Answer:

Step-by-step explanation:

I am a number, tell my identity, three times of me ,add fifty.,you still need forty to have a triple century

sol. let the number be x  

3x+(50+40)=300

x=300-90=210

210/3=70