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Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
728, 717, 695, 662, 618, ?

Option 1: 564

Option 2: 561

Option 3: 563

Option 4: 562


Team Careers360 1st Jan, 2024
Answer (1)
Team Careers360 16th Jan, 2024

Correct Answer: 563


Solution : Given:
728, 717, 695, 662, 618, ?

Subtract consecutive multiples of 11 from the previous number to get the next number –
728 – 11 = 717; 717 – 22 = 695; 695 – 33 = 662; 662 – 44 = 618; 618 – 55 = 563

So, the missing number is 563. Hence, the third option is correct.

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