What is the missing number ‘X’ of the series 7, X, 21, 31, 43?
32. Consider the following matrix:3 8 10 2 ? 16 56 90 2 20 0What is the missing number at ‘?’ in the matrix?
Find the missing number : 3, 5, 7, 11, 13, .........
2, 4, 16, 256, ––---. Which is the next number?
Find the missing number.
7,9,10,49,81,........
Find the missing number in the given series: 11, 33, 55, ……… 99.