alleryপাশাপাশি সংখ্যার গুণফল দেয় 2, 6, 12, 20, 30। এর পরে কোন গুণফলটি আসবে?
A48
B42
C44
D40
Answer & Solution
Correct answer: B. 42
পার্থক্যগুলি হল 4, 6, 8, 10, তাই পরবর্তী পার্থক্যটি হল 12 এবং 30 + 12 = 42।
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?