Number System Questions for RRB NTPC UG Exam
RRB NTPC UG Number System Questions bring together the published questions available for this exam on PrepShots. Work through the set at your own pace, revise the underlying concepts when needed, and open any question to view its complete solution.
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Showing 1–20 of 101Number System RRB NTPC UG Questions
Q1Which of the following numbers is completely divisible by 6?Q2Which of the following digits should replace X so that the three-digit number 2X2 is divisible by 4?Q3A transaction code 92419 is not divisible by 13. To make it divisible by 13, the least digit should be appended at the end of the number. What is that digit?Q4The largest four-digit number which when divided by 7, 6 and 10 leaves the remainder 5 in each case, is:Q5The largest four-digit number which when divided by 15, 12 and 14 leaves remainder 5 in each case is:Q6Two bells are rung at intervals of 1,764 seconds and 2,268 seconds, respectively. They are rung together at the start. After how much time will the two bells ring together again for the first time?Q7Trains from Delhi, Lucknow, and Jaipur depart every 12 minutes, 18 minutes, and 27 minutes, respectively. If all depart together at 6:00 am, when will they depart together again?Q8Two numbers are in the ratio 4 : 5. If their LCM is 240, what is the sum of the two numbers?Q9Three numbers are in the ratio 4 : 13 : 9, and their LCM is 6084. Their HCF is:Q10Three numbers are in the ratio 3 : 2 : 13, and their LCM is 6318. Their HCF is:Practice Free →Q11Which of the following pairs of numbers is not coprime?Q12The 7-digit number 46A484B is divisible by 24. What is the minimum value of (A + B)?Q13The 7-digit number 32A776B is divisible by 24. What is the minimum value of (A + B)?Q14Which of the following numbers is not divisible by 88?Q15In a division sum, the divisor is 14 times the quotient and 5 times the remainder. If the remainder is 56, what is the dividend?Q16In a division sum, the divisor is 5 times the quotient and 4 times the remainder. If the remainder is 15, what is the dividend?Q17In a division sum, the divisor is 2 times the quotient and 3 times the remainder. If the remainder is 10, what is the dividend?Q18In a division sum, the divisor is 9 times the quotient and 3 times the remainder. If the remainder is 42, what is the dividend?Q19A number leaves a remainder of 2 when divided by 5 and a remainder of 3 when divided by 7. What is the smallest positive integer that satisfies both conditions?Q20Nisha noted the number 76488 in her register. What is the remainder when it is divided by 8?
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Number SystemBinary Number SystemCo-prime NumbersComposite NumbersCube and Cube RootCyclicityDifferent Types of Remainder ProblemsDivisibility Rule of 11
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Divisibility Rule of 12Divisibility Rule of 15Divisibility Rule of 18Divisibility Rule of 2Divisibility Rule of 3Divisibility Rule of 4Divisibility Rule of 6Divisibility Rule of 8Divisibility Rule of 9Divisibility RulesEuclidean AlgorithmEuler's TheoremEven and Odd NumbersEven FactorsFactorialFactors and MultiplesFermat's TheoremHCFHCF and LCMHCF by Prime FactorizationHighest Power in FactorialIntegersLCMLCM by Prime FactorizationNatural NumbersNumber of FactorsOdd FactorsPlace Value and Face ValuePrime FactorsPrime NumbersRational and Irrational NumbersReal NumbersRemainderRemainder TheoremSquare and Square RootSum of FactorsTrailing Zeros in FactorialTypes of NumbersUnit DigitWhole Numbers
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