alleryବିନ୍ଦୁଗୁଡ଼ିକ 1, 3, 6, 10, 15 ଟି ବିନ୍ଦୁ ସହିତ ତ୍ରିଭୁଜ ଗଠନ କରୁଛନ୍ତି। ପରବର୍ତ୍ତୀ ତ୍ରିଭୁଜରେ କେତୋଟି ବିନ୍ଦୁ ରହିବ?
A28
B21
C24
D20
Answer & Solution
Correct answer: B. 21
ବ୍ୟବଧାନ ପ୍ରତିଥର ଏକ ଲେଖାଏଁ ବୃଦ୍ଧି ପାଉଛି (2, 3, 4, 5), ତେଣୁ ପରବର୍ତ୍ତୀ ବ୍ୟବଧାନ ହେଉଛି 6 ଏବଂ 15 + 6 = 21।
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?