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Question : Directions: Which number will replace the question mark (?) in the following series?
2430, ?, 270, 90, 30, 10
Option 1: 800
Option 2: 805
Option 3: 810
Option 4: 540

Team Careers360 5th Jan, 2024

Answer (1)

Team Careers360 17th Jan, 2024

Correct Answer: 810

Solution : Given:
2430, ?, 270, 90, 30, 10

The pattern is as follows –
2430 ÷ 3 = 810; 810 ÷ 3 = 270; 270 ÷ 3 = 90; 90 ÷ 3 = 30; 30 ÷ 3 = 10

So, 810 is the missing number. Hence, the third option is correct.

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