alleryఒక బ్యాక్టీరియా నమూనా గంటల వ్యవధిలో 5, 10, 20, 40 గా నమోదవుతుంది. తరువాత వచ్చే సంఖ్య ఎంత?
A80
B100
C70
D60
Answer & Solution
Correct answer: A. 80
ప్రతి పదం మునుపటి పదానికి రెట్టింపు, కాబట్టి 40 నుండి 80 వస్తుంది.
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?