Question

I am a number tell my identity take me seven times over and add a 50 .to reach a triple century you still need 40
solve the riddle

Answer 1

triple of century shows that the whole sum is 300.
Now minus 50 cause we that in question it has been given to add,so.And now minus 40.Cause of the same circumstances of questions.
And now the remaining is 210.
divide 210 by 7.beacuse we had to multiply 7 times so.Now the answer is
210÷7=30
Hope you got it.