alleryप्रत्येक बार 3 से भाग देने पर 729, 243, 81, 27 प्राप्त होते हैं। अगला मान क्या होगा?
A18
B6
C3
D9
Answer & Solution
Correct answer: D. 9
प्रत्येक पद अपने पिछले पद का एक-तिहाई है, इसलिए 27 को 3 से भाग देने पर 9 प्राप्त होता है।
Keep practising Number Series
Browse all Number Series questions for RRB NTPC, or explore more Reasoning topics.
Related questions
Squares of 3, 4, 5, 6 are 9, 16, 25, 36. What number is next?Odd gaps 3, 5, 7, 9 link 4, 7, 12, 19, 28. Which number comes next?Subtracting 1, 2, 3, 4 in turn from 20 gives 20, 19, 17, 14, 10. Next?Triangle dots run 1, 3, 6, 10, 15, 21, 28. How many are in the next?Spot the intruder among the numbers 1, 4, 9, 16, 20, 25.A prime is missing in the list 2, 3, 5, ?, 11, 13. Which one?What does the Fibonacci pattern give after the pair 8 and 13?Which square number is the sum of triangular numbers 6 and 10?