Question : Directions: Which number will replace the question mark (?) in the following number series? 52, 42, 34, 28,?
Option 1: 24
Option 2: 22
Option 3: 26
Option 4: 28
Correct Answer: 24
Solution : Given: 52, 42, 34, 28,?
Subtract even numbers starting from 10 in decreasing order, to get the required missing number – 52 – 10 = 42; 42 – 8 = 34; 34 – 6 = 28; 28 – 4 = 24
So, 24 is the required missing number in the series. Hence, the first option is correct.
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