Find the missing number 1, 2, 3, 10, , 9802 - mathselab.com

Find the missing number? 1, 2, 3, 10, ?, 9802

Question


Find the missing number? 1, 2, 3, 10, ?, 9802


A. 99
B. 199
C. 299
D. 999


Answer: A. 99


Solution:

2 = 12 + 1

3 = 22 − 1

10 = 32 + 1

Now 102 − 1 = 99

9802 = 992 + 1


Hence, The answer is 99.



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