7. A computer program prints out the following numbers.
1 2 4 8 11 16 22
When one of these numbers is changed, the numbers will form a pattern.
Circle the number which has to be changed and correct it.
Give a reason why your numbers now form a pattern.

Hi, 
The series is = nn+12+1starting from n = 0,1,2,3,....so for n = 0, it is = 00+12+1= 1 first term for n = 1, , it is = 11+12+1= 2 second term for n = 2, , it is = 22+12+1= 4 third termfor n = 3, , it is = 33+12+1= 7 ITMUSTBE fourth termfor n = 4, , it is = 44+12+1= 11 fifth termfor n = 5, , it is = 55+12+1= 16 sixth termfor n = 6, , it is = 66+12+1= 22 seventh termSo here 4th term is incorrect it must be 7 and not 8 

​Regards

  • 1
What are you looking for?