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Akaljeet
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Asked: 2021-03-19T10:08:33+00:00 In:

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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NCERT Solutions for Class 7 Mathematics Chapter 4
Important NCERT Questions
Class vii Math Chapter 4 Simple Equations Exercise 4.4
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 4

2020-2021cbsechapter 4class7mathematicsncertsimple equations
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    1. Best Answer

      Let the number be n.
      According to the question, 7n + 50 + 40 = 300
      ⇒ 7n+90 = 300
      ⇒ 7n = 300-90
      ⇒ 7n = 210
      ⇒ 7n = 210/7
      ⇒ n = 30
      Thus, the required number is 30.

      Class 7 Maths Chapter 4 Exercise 4.4

      for more answers vist to:
      https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-4/

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