Question

5) Solve the following riddle :
I am number
Tell my identity
Take me seven times over
And a fifty
To reach a triple century
You still need forty.​

Answer 1

Solution:-

Let the no. be x

Acc to the question

7x+50 +40 = 300

7x +90 = 300

7x = 300-90

7x = 210

x = 30

The number is 30.

Answer 2

Answer:

30

Explanation:

7y +50= 300-40

7y+50= 260

7y= 210

y=210/7

30