Average of 11 numbers is 32. If the average of first six numbers is 26 and the average of last six numbers is 36 then what is the value of the sixth number?

20 26 32 30

20

Sum of 11 numbers = 11 × 32 = 352 Average of first six numbers = 6 × 26 = 156 Average of Last six numbers = 6 × 36 = 216 Sixth number = ( 216 + 156 ) - 352 = 20