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IBM Placement Paper | Logical Reasoning Set 3
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Logic Building Problems

Last Updated : 22 Apr, 2025
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Logic building is about creating clear, step-by-step methods to solve problems using simple rules and principles. It’s the heart of coding, enabling programs to think, reason, and arrive at smart solutions just like we do.

Here are some tips for improving your programming logic:

  1. Understand the problem: Read and understand the problem statement.
  2. Generate Examples: Create additional input and output cases for each problem.
  3. Draw observations: Draw observations and patterns based on the examples you created.
  4. Start with Basic: First, think of the basic way to solve the problem then optimize the solution.

Basic Problems

  • Check Even or Odd
  • Multiplication Table
  • Sum of Naturals
  • Swap Two Numbers
  • Closest Number
  • Dice Problem
  • Nth Term of AP

Easy Problems

  • Sum of Digits
  • Reverse Digits
  • Prime Testing
  • Check Power
  • Distance between Two Points
  • Valid Triangle
  • Overlapping Rectangles
  • Factorial of a Number
  • Square Root
  • Sum of Squares of Naturals
  • Pair Cube Count
  • GCD or HCF
  • LCM of Two Numbers
  • Perfect Number
  • Add Two Fraction
  • Fizz Buzz
  • Day of the Week
  • Count Set Bits
  • Nth Fibonacci Number
  • Decimal to Binary
  • N-th term of 1, 3, 6, 10, 15, 21…
  • Armstrong Number
  • Palindrome Number
  • Digit Root

Medium Problems

  • 3 Divisors
  • Divisible by 4
  • Divisibility by 11
  • Divisibility by 13
  • K-th Digit in a^b
  • Fraction to Recurring Decimal
  • Recurring Sequence in a Fraction
  • Compute nPr
  • Compute nCr
  • Pascal’s Triangle
  • All Factor (Or Divisors)
  • Prime Factorization
  • Largest Prime factor
  • Modular Exponentiation
  • nth Catalan Number
  • Binomial Coefficient
  • Power Set
  • Next Permutation

Hard Problems

  • Sieve of Eratosthenes
  • Clock Angle Problem
  • Tower of Hanoi
  • Rat and Poisoned
  • 8 puzzle Problem
  • Determinant of a Matrix
  • Euler's Totient Function
  • Josephus Problem

Recommended Links

  • Top Logic Building Interview Problems
  • Practice Logic Building Problems
  • Pattern Printing Problems
  • Mathematical Algorithms

Next Article
IBM Placement Paper | Logical Reasoning Set 3

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Article Tags :
  • DSA
  • logical-thinking
Practice Tags :
  • logical-thinking

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