Question : Directions: In the following question a series is given. Find the missing number in the series.
219, 211, 204, 198, ?, 189
Option 1: 189
Option 2: 192
Option 3: 193
Option 4: 196
Correct Answer: 193
Solution :
Given:
219, 211, 204, 198, ?, 189
Subtract consecutive natural numbers in descending order from the previous number to obtain the next number.
219 – 8 = 211; 211 – 7 = 204; 204 – 6 = 198; 198 – 5 = 193; 193 – 4 = 189
So, 193 is the missing number in the given series. Hence, the third option is correct.
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