Guess the missing number in the following grid?
?, 13, 49 9, 17, 69 13, 11, 59
it is 5 the logic is as under the third number is three times the second plus two times the first in any row
Find the missing number in the following grid?
Find the missing number ?
6, 2, 17, 1, 4, 11, 3, 7, ?
