Question

please help me in this both question

Answer 1

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Answer 2

Qn 5.

Three consecutive integers:  n, n+2, n+4.
Sum = 3 n + 6 = 0.   So  n = -2.
The integers are :  -2, 0, 2.

Qn 6.

Consecutive odd integers:   2n+1,  2n+3
 Given  (2n+1)*2/5  - (2n+3)*2/9 = 4
 (18n + 9 - 10 n -15)/45 = 2
  8 n = 96
   n = 12.

Consecutive odd integers :  25, 27.