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  1. Chapter 16 Class 8 Playing with Numbers
  2. Serial order wise


Example 1 Find Q in the addition. Here, Q + 3 ends with 1 We put different values of Q, and check which ends with 1 ∴ Q = 8 Checking Putting Q = 8 Hence verified ∴ Q = 8

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.