Question

Find the missing number in the givens series.

99, 143, (?) , 255, 288

A 193 Correct Answer Incorrect Answer
B 198 Correct Answer Incorrect Answer
C 190 Correct Answer Incorrect Answer
D 195 Correct Answer Incorrect Answer

Solution

10² – 1 = 100 – 1 = 99 12² – 1 = 144 – 1 = 143 14² – 1 = 196 – 1 = 195 16² – 1 = 256 – 1 = 255 17² – 1 = 289 – 1 = 288

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