Questions asked by huat T.

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• Prove that the sum of 6 consecutive odd numbers is an even number?
  
• Please help to prove?
  
• Find the next 2 terms of the sequence satisfying the 6 recurrence relation X1= 0.1 , X2=0.2 and Xn+2= 0.2Xn + 0.3Xn+1 ?
  
• A red container contains 7 items of which 2 are new and 5 are old items. A purple container contains 4 items of which 1 is new and 3 are old items. An item is drawn at random from each box. 1. What is the probability that both items are old items?
  
• Prove both the DeMorgan’s laws using truth tables?
  
• Find the number of “words” with four distinct letters that can be made from the letters "ORANGES"?