Question : Directions: What should come in place of the question mark (?) in the given series?
18, 72, ?, 1152, 4608
Option 1: 274
Option 2: 218
Option 3: 304
Option 4: 288
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Correct Answer: 288
Solution :
Given:
18, 72, ?, 1152, 4608
Here, each number is multiplied by 4 to get the next number –
18 × 4 =72; 72 × 4 = 288; 288 × 4 = 1152; 1152 × 4 = 4608
So, 288 is the missing number. Hence the fourth option is correct.
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