We know that

LCM = Number which gives remainder 0 when dividing by 2, 4, 6

Since LCM gives remainder 0

LCM + 7 will give remainder 0

So, Required Number = LCM + 7

LCM of 2, 4, 6 = 12

Required Number = LCM + 7

= 12 + 7

= 19

 

Same concept is used in Example 14 and Ex 3.7.4

  1. Chapter 3 Class 6 Playing with Numbers
  2. Concept wise
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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.