Find the missing value: 4, 23, 60, 121, ?

Find the missing terms: 2, 15, 4, 12, 6, 7, ?, ?

Find the missing number in the given series 24, 60, 120, 210, ?

Find the missing number: rows 7,3,9 / 24,5,? / 5,2,4

Find the missing number in the 5×5 grid.

Find the missing number in the given series 4, -8, 16, -32, 64, ?