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নিম্নলিখিত ক্রমটি দেখুন এবং প্রশ্নের উত্তর দিন (সকল সংখ্যা একক অঙ্কের):
(বাম) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (ডান)
এমন কতগুলি বিজোড় অঙ্ক আছে যার প্রত্যেকটির ঠিক আগে একটি জোড় সংখ্যা এবং ঠিক পরে একটি বিজোড় সংখ্যা আছে?

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RPF Constable 2024 Official Paper (Held On: 02 Mar, 2025 Shift 1)
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  1. 2
  2. 4
  3. 1
  4. 3

Answer (Detailed Solution Below)

Option 2 : 4
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Detailed Solution

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প্রদত্ত ধারা: (বাম) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (ডান)

প্রশ্নানুসারে, এমন বিজোড় অঙ্ক যার ঠিক আগে একটি জোড় সংখ্যা এবং ঠিক পরে একটি বিজোড় সংখ্যা আছে:

প্রয়োজনীয় শর্ত: জোড় সংখ্যা - বিজোড় সংখ্যা - বিজোড় সংখ্যা

(বাম) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (ডান)

সুতরাং, এমন চারটি বিজোড় অঙ্ক আছে যার প্রত্যেকটির ঠিক আগে একটি জোড় সংখ্যা এবং ঠিক পরে একটি বিজোড় সংখ্যা আছে।

অতএব, "বিকল্প 2" সঠিক উত্তর।

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More Number Arrangement Questions

Q1.How many even numbers are there in the sequence which are immediately followed by an odd number? 4 6 7 8 3 3 4 5 7 6 8 9 2 7 9 1 3 5 2
Q2.How many such 9s are there in the following number sequence which are immediately preceded by 5? 7 9 6 9 5 9 8 4 7 9 5 7 4 5 9 2 3 7 9 1 2 7 5 9 7 7
Q3.Refer to the following series and answer the question (all numbers are single digit numbers only). (Left) 6 2 1 3 7 6 9 7 4 3 5 2 3 4 3 4 2 3 1 5 7 9 5 8 5 7 5 (Right) How many such even digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
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Q5.This question is based on the five, three-digit numbers given below. (Left) 842 234 371 723 463 (Right) (Example- 697 – First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the third digit of the highest number is added to the second digit of the lowest number?
Q6.Answer the question asked keeping in mind the following series. Numbering should be from left to right only. (All numbers are single digit numbers) (Left) 2 5 3 1 1 8 1 7 9 9 4 8 2 7 5 0 5 7 5 3 7 0 5 8 3 4 2 4 8 1 (Right) How many odd numbers are there, each of which is immediately preceded by an odd number and followed by an even number?
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More Arrangement and Pattern Questions

Q1.If it is possible to make only one four-letter meaningful word with the first, third, fourth, and eighth letter of the word ‘ABNORMALITY’, which could be the second letter of the word from the left end? If more than one such word can be formed, give ‘X’ as the answer. If no such word can be formed, give ‘Z’ as your answer.
Q2.If in the word BEAUTICIAN, all the consonants are replaced by the previous letter in the alphabet and all the vowels are replaced by the next letter, then all the letters are arranged in the alphabetical order. Then which letter will be fourth from the right end?
Q3.How many even numbers are there in the sequence which are immediately followed by an odd number? 4 6 7 8 3 3 4 5 7 6 8 9 2 7 9 1 3 5 2
Q4.If the first half of the word AUTOMOBILE is reversed, which of the following will be the fourth to the right of the third letter from the left end? 
Q5.How many such 9s are there in the following number sequence which are immediately preceded by 5? 7 9 6 9 5 9 8 4 7 9 5 7 4 5 9 2 3 7 9 1 2 7 5 9 7 7
Q6.Which of the following letters in the English alphabet series is as far from H as U is from N?
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Q8.Suppose the first and the second letters of the word INCOMPREHENSIBLE changed places, also the third and the fourth, the fifth and the sixth, and so on. In the new word, thus formed, which letter would be 10th from the left?
Q9.Refer to the following number, symbol series and answer the question. Counting to be done from left to right only.   (Left) # % 5 4 3 2 1 @ % * # * 6 § 9 8 % $ 1 5 6 4 2 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by another symbol?
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Q1.If it is possible to make only one four-letter meaningful word with the first, third, fourth, and eighth letter of the word ‘ABNORMALITY’, which could be the second letter of the word from the left end? If more than one such word can be formed, give ‘X’ as the answer. If no such word can be formed, give ‘Z’ as your answer.
Q2.How many boys are there between Q and T?
Q3.How many boys are lighter than U?
Q4.Find the next number in the series. 6, 12, 18, 36, 54, 108, ?
Q5.Find the next number in the series. 24, 36, 60, 84, 132, 156, ?
Q6.Find the odd image out in the given series.
Q7.How many squares are there in the given figure?
Q8.A man starts from point A and walks 5km towards East. He turns right and walks 4km; turns right again and walks 3km. He then takes another right and walks 6km. He walks 6km towards East; turns right and walks 2km and turns left and walks 1km to reach B. How far is A from B?
Q9.Replace the question mark with an option that follows the same logic applied in the first pair. 29 : 18 :: 39 : ?
Q10.A girl is facing North direction. If she turns 59 degrees in clockwise direction and 31 degrees in the same direction, which direction will she face now?
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