Alpha-Numeric Sequence puzzles

Logical Reasoning Questions based on Alpha-Numeric Sequence puzzles can be tried upon in this question and answers. Attempt all of them to know if you understand it's basic concept.This section is very useful for those who are preparing for competitive exams such as Written test of Bank Exams, CAT Exams, Railway Exams, SSC, UPSC,Banking,Insurance, Defence and many more.

  • Q43.What should come next in the following number series?
    975311864229753186422975318642975

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  • Q44.The positions of the first and the fifth digits in the number 83416759 are interchanged. Similarly, the positions of the second and the sixth digits are interchanged, and so on. Which of the following will be the fourth digit from the right end after the rearrangement?

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  • Q45.In a certain code GONE is written as ‘5%2#’ and MEDAL is written as ‘4#3$@’. How is GOLD written in that code?

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  • Q46.The positions of how many digits in the number 89154326 will remain unchanged after the digits within the number are rearranged in descending order?

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  • Q47.Directions: What should come in the place of question mark (?) in the following alpha - numeric series?
    P1F, R2E, T6D, V24C, ?

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  • Q48.Directions: What should come in the place of question mark (?) in the following alpha - numeric series?
    BA 400 ZY, DC 361 XW, FE 324 VU, ?, JI 256 RQ

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  • Q49.Directions: What should come in the place of question mark (?) in the following alpha - numeric series?
    CO3KP, DO4KQ, EO5KR, ?

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