Question

solve the ridddle i am a number tell me identify take me 7 times over and add a fifty to rech a triple century you still need a forty​

Answer 1

laughhhh. ............................................................

Answer 2

Let the number be n.

According to the question, 

7n + 50 + 40 = 300

⇒7n + 90 = 300

⇒7n = 300 − 90

⇒7n = 210

⇒ n = 7/210

⇒ n = 30

Thus, the required number is 30.