allery20 में से क्रमशः 1, 2, 3, 4 घटाने पर 20, 19, 17, 14, 10 प्राप्त होता है। अगली संख्या क्या होगी?
A3
B4
C6
D5
Answer & Solution
Correct answer: D. 5
घटाई जाने वाली संख्याएँ 1, 2, 3, 4 हैं, इसलिए अगली संख्या 5 होगी और 10 - 5 = 5।
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?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?Running totals of squares give 1, 5, 14, 30, 55. What is the next total?