Brief Information:- Number Series : Set 1 এ তোমরা অনেক গুরুত্বপূর্ণ প্রশ্ন পাবে Best Reasoning Question সম্পর্কে | সমস্ত প্রশ্ন বাছাই করা , আশা করছি এই প্রশ্ন গুলি তোমাদের অনেক উপকারে আসবে।
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প্রতিটি প্রশ্নের জন্য সময় 60⏰সেকেন্ড
📚 সমস্ত প্রশ্ন ও অপশন নিচে দেওয়া হলো 👇
11, 13, 17, 19, ?
15, 20, 25, 30, ?
1, 1, 2, 3, 5, ?
5, 10, 20, 40, ?
7, 14, 28, 56, ?
10, 20, 30, 40, ?
5, 6, 9, 14, 21, ?
3, 9, 27, 81, ?
2, 5, 10, 17, 26, ?
2, 3, 5, 7, 11, ?
4, 8, 16, 32, ?
9, 18, 36, 72, ?
4, 6, 9, 13, 18, ?
4, 9, 16, 25, ?
6, 12, 24, 48, ?
13, 16, 21, 28, ?
1, 4, 13, 40, ?
21, 18, 15, 12, ?
2, 4, 12, 48, ?
1, 3, 6, 10, 15, ?
2, 6, 12, 20, ?
1, 4, 9, 16, ?
3, 6, 18, 72, ?
8, 16, 24, 32, ?
100, 90, 80, 70, ?
Frequently Asked Questions
Q: 2, 6, 12, 20, ?
Answer: 32
Q: 3, 9, 27, 81, ?
Answer: 243
Q: 5, 10, 20, 40, ?
Answer: 80
Q: 7, 14, 28, 56, ?
Answer: 112
Q: 4, 9, 16, 25, ?
Answer: 36
Q: 1, 4, 9, 16, ?
Answer: 25
Q: 11, 13, 17, 19, ?
Answer: 23
Q: 2, 5, 10, 17, 26, ?
Answer: 37
Q: 8, 16, 24, 32, ?
Answer: 40
Q: 1, 1, 2, 3, 5, ?
Answer: 8
Mastering Number Series for Competitive Exams: Set 1
The Number Series section is a cornerstone of logical reasoning in almost every major competitive exam, including SSC, Banking, Railways, and State PSCs. While these questions might appear like a random string of digits at first glance, they are governed by strict mathematical logic. Mastering this topic isn’t just about calculation; it’s about pattern recognition.
What is a Number Series?
In reasoning, a number series is a sequence of numbers follows a specific logical rule or a mathematical formula. Your task is to identify this hidden rule to find a missing number or detect a “wrong” number in the sequence.
Common Patterns to Look For
Before diving into our Number Series questions, familiarize yourself with these fundamental patterns. Most complex questions are simply combinations of these basics:
- Arithmetic Series: The difference between consecutive terms is constant (Addition or Subtraction).
- Geometric Series: Each term is found by multiplying or dividing the previous term by a fixed number.
- Square & Cube Series: Numbers are based on n^2 or n^3 (e.g., 4, 9, 16, 25…).
- Prime Number Series: The sequence consists entirely of prime numbers in ascending or descending order.
- Fibonacci Series: Each term is the sum of the two preceding terms (e.g., 1, 1, 2, 3, 5, 8…).
- Mixed/Combination Series: These involve two operations, such as (n \times 2) + 1.
Strategies to Solve Number Series Quickly
Time management is crucial in exams. Use these tips to crack the code faster:
- Check the “Gap”: If the numbers increase slowly, look for an addition pattern. If they skyrocket quickly, it’s likely multiplication or powers.
- Tiered Differences: If the first set of differences doesn’t show a pattern, find the difference of the differences (Double-Layer Series).
- Odd/Even Positions: Sometimes, a sequence is actually two interleaved series. Check the 1st, 3rd, and 5th numbers separately from the 2nd, 4th, and 6th.
- Memorize Essentials: Ensure you know squares up to 30 and cubes up to 15 by heart. This allows you to spot patterns instantly.
Why Practice Number Series ?
At Our Website , we understand the evolving pattern of competitive exams. Our Number Series Set 1 is curated to cover everything from basic linear sequences to complex multi-step logic. Whether you are preparing for the SSC CGL, WBP SI, or Banking exams, these questions will sharpen your analytical skills and improve your speed.