Question

4. Solve the following riddle:
I am a number,
Tell my identity!
Take me seven times over
And add a fifty!
To reach a triple century
You still need forty!
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Answer 1

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Answer 2

Answer:

30

Step-by-step explanation:

Let the number be n.

According to the question,

7n+50+40=300

⇒7n+90=300⇒7n=300−90

⇒7n=210⇒n= 210/7

⇒n=30

Thus, the required number is 30.

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