CAT Number Systems questions with solutions
42 previous year CAT questions on Number Systems, taken from the QA section, each with the correct answer and a full explanation. Work through them in order or jump to a specific paper.
XAT 2026 XAT 2025 CAT 2024 Slot 1CAT 2024 Slot 2CAT 2024 Slot 3CMAT 2024 CAT 2022 Slot 3CMAT 2021 CMAT 2020 XAT 2013 XAT 2012 XAT 2011 CAT 2003 Slot 1CAT 2001 Slot 1CAT 2000 Slot 1CAT 1999 Slot 1CAT 1995 Slot 1
- #014Sum of Four-Digit NumbersCATQATITAMedium
- #015Remainder of Exponential PowerCATQAMCQEasy
- #030Simplification of surd expressionCATQAMCQEasy
- #033Remainder of exponential expression divided by 13CATQAMCQEasy
- #050Remainder of Power of 3 Divided by 11CATQAMCQEasy
- #052Exponent Representation and Natural NumbersCATQAMCQMedium
- #825Maximum Number of TeamsCATQATITAMedium
- #1096Basic Symbol Numeral SystemCATQASET · 3QEasy
- #1099Remainder of $4^{96}$ divided by 6CATQAMCQEasy
- #1123Recurring Decimal Integer MultiplierCATQAMCQEasy
- #1131Count of Numbers Satisfying ConditionsCATQAMCQMedium
- #1132Parity of Odd Integer OperationsCATQAMCQEasy
- #1133Trailing Zeros of Prime ProductCATQAMCQEasy
- #1135Remainder of Product Divided by 12CATQAMCQEasy
- #1136Common Remainder Three-Digit DivisorCATQAMCQMedium
- #1138Divisibility of Algebraic Sum of CubesCATQAMCQMedium
- #1165Diophantine Equation: Positive Integer PairsCATQAMCQMedium
- #1166Digits and Perfect SquaresCATQAMCQMedium
- #1167Modular Arithmetic RemainderCATQAMCQEasy
- #1174Properties of Integers: Product of 4 Consecutive IntegersCATQAMCQMedium
- #1231Divisibility of ExponentsCATQAMCQEasy
- #1235Remainder of Prime Number Divided by 6CATQAMCQEasy
- #1277Properties of Odd and Even IntegersCATQAMCQEasy
- #1279Flashing Lights LCMCATQAMCQEasy
- #1387Divisibility of seven-digit numberXATQADIMCQMedium
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