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Select the number from among the given options that can replace the question mark (?) in the following series.
29 33 41 53 ? 89 113

This question was previously asked in
RRB NTPC Graduate Level CBT-I Official Paper (Held On: 09 Jun, 2025 Shift 1)
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  1. 71
  2. 79
  3. 63
  4. 69

Answer (Detailed Solution Below)

Option 4 : 69
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Detailed Solution

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The logic followed here is:

qImage68763bd22194d270cb286e5d

Hence, the correct answer is "Option 4".

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Latest RRB NTPC Updates

Last updated on Jul 22, 2025

-> RRB NTPC UG Exam Date 2025 released on the official website of the Railway Recruitment Board. Candidates can check the complete exam schedule in the following article. 

-> SSC Selection Post Phase 13 Admit Card 2025 has been released @ssc.gov.in

-> TS TET Result 2025 has been declared on the official website @@tgtet.aptonline.in

-> The RRB NTPC Admit Card CBT 1 will be released on its official website for RRB NTPC Under Graduate Exam 2025.

-> The RRB NTPC 2025 Notification released for a total of 11558 vacancies. A total of 3445 Vacancies have been announced for Undergraduate posts while a total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC).

-> Prepare for the exam using RRB NTPC Previous Year Papers.

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More Number Series Questions

Q1.Select the number from among the given options that can replace the question mark (?) in the following series. 29 33 41 53 ? 89 113
Q2.What should come in place of the question mark (?) in the given series?  401 400 397 392 385 ?
Q3.Select the number from among the given options that can replace the question mark (?) in the following series.  89 103 94 108 99 113 104 ?
Q4.What should come in place of the question mark (?) in the given series?  602 600 696 690 682 ?
Q5. Select the number from among the given options that can replace the question mark (?)  in the following series.  139 136 131 124 115 ? 91
Q6.What should come in place of the question mark (?) in the given series?  801 800 797 792 785 ?
Q7. Select the number from among the given options that can replace the question mark (?) in the following series. 215 187 161 137 115 95 ?
Q8.What should come in place of the question mark (?) in the given series?  901 900 897 892 885 ?
Q9.Select the number from among the given options that can replace the question mark (?) in the following series. 62 61.1 60.2 59.3 58.4 57.5 ?
Q10.What should come in place of the question mark (?) in the given series? 1001 1000 997 992 985 ?

More Series Questions

Q1.Select the number from among the given options that can replace the question mark (?) in the following series. 29 33 41 53 ? 89 113
Q2.What should come in place of the question mark (?) in the given series based on the English alphabetical order? NTZ LRX JPV HNT ?
Q3.What should come in place of the question mark (?) in the given series?  401 400 397 392 385 ?
Q4.Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? NQ31, MP40, LO49, KN58, ?
Q5.Select the number from among the given options that can replace the question mark (?) in the following series.  89 103 94 108 99 113 104 ?
Q6.Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? GIM 8, HJN 11, IKO 14, JLP 17, ?
Q7.What should come in place of the question mark (?) in the given series?  602 600 696 690 682 ?
Q8.What should come in place of the question mark (?) in the given series based on the English alphabetical order? KIO LJP MKQ NLR ?
Q9. Select the number from among the given options that can replace the question mark (?)  in the following series.  139 136 131 124 115 ? 91
Q10. What should come in place of the question mark (?) in the given series based on the English alphabetical order?  LJQ NLS PNU RPW ?
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More Logical Reasoning Questions

Q1.M, N, O, P, Y and Z live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. Only M lives above N. Z lives immediately below N. Only P lives below O. Who lives on floor numbered 3?
Q2.A, B, C, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. The product of floors on which F and D live is 15. E lives immediately above C .The sum of floors on which A and D live is 7. What is the sum of floors on which A and E live?
Q3.Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) 7 * £ 5 8 $ 7 3 * 9 & % 4 6 @ 9 # 1 & 3 Ω (Right)  How many such symbols are there each of which is immediately preceded by a symbol and also immediately followed by a number?
Q4.Select the number from among the given options that can replace the question mark (?) in the following series. 29 33 41 53 ? 89 113
Q5.In a certain code language, ‘FUSE’ is coded as ‘3517’ and ‘SING’ is coded as ‘2458’. What is the code for ‘S’ in the given code language?
Q6.F, G, H, I, J, K and X are sitting around a circular table facing the centre of the table. H sits to the immediate right of F. Only three people sit between H and G when counted from the left of H. X sits third to the right of F. I sits to the immediate right of K. How many people sit between J and K when counted from the left of K?
Q7.If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 5673128, what will be the difference between the digits which are third from the left and second from the right in the new number thus formed?
Q8.Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) 4 6 & 8 $ 7 & 3 9 # % 4 6 @ £ 5 Ω 9 # 1 * 7 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by another number?
Q9.What should come in place of the question mark (?) in the given series based on the English alphabetical order? NTZ LRX JPV HNT ?
Q10.Prakesh starts from point A and drives 11 km towards the south. He then takes a right turn, drives 7 km, turns right and drives 13 km. He then takes a right turn and drives 9 km. He takes a final right turn, drives 2 km and stops at point P. How far (shortest distance) and towards which direction should he drive in order to reach point A again? (All turns are 90 degree turns only unless specified.)
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