Question & Answer » Mathematics Questions » 1, 4, 18, 48, …….. Missing Number in the Series is (A) 100 (B) 78 (C) 92 (D) 112

1, 4, 18, 48, …….. Missing Number in the Series is (A) 100 (B) 78 (C) 92 (D) 112

Answer: (A) 100

Explanation: 1x1x1 = 1

1x2x2 = 4

2x3x3 = 18

3x4x4 =48

Next number,

4x5x5 = 100

Each number in the row has been multiplied by the next number of the digit two times, and thus the result has been found. So option (A) 100 is correct.