## Number System Questions and Answers Number System Aptitude Problems with Solutions

Number System Questions and Answers: These number system problems is the most important in the Quantitative Aptitude Topic. Candidates who are preparing for the interviews & competitive exams are advised to learn each and every number system aptitude question. Candidates are encouraged to practice well for this Quantitative Aptitude number system part. Number System is the symbolic representation of the maths language. This is one of the commonly asked aptitude question in all competitive exams such as CAT, IBPS Bank exam, UPSC, SSC etc.., Some frequently asked number system questions and answers are available below. If you study well, you will definitely crack your exams easily.

### Number System Aptitude Questions and Solutions:

Q1: Find the sum of (1 + 0.6 + 0.06 + 0.006 + 0.0006 + …)

(a) 2 1/3
(b) 1 2/3
(c) 1 1/3
(d) 22/3

Q2: If P and Q are odd numbers. Then which of the following is even?

(a) P + Q + 2PQ
(b) P + Q + 1
(c) P + Q + PQ
(d) P + Q - 1

Q3: A positive integer when divided by 425 leaves 45 as remainder. If the same number is divided by 17, then the remainder is?

(a) 15
(b) 23
(c) 11
(d) 8

Q4: If the sum of the two numbers be multiplied by each number separately, the products so obtained are 247 and 114. The sum of numbers is?

(a) 15
(b) 30
(c) 21
(d) 20

Q5: A two digit number is four times the sum of the two digits. If the digits are reversed, the number so obtained is 18 more than the original number. What is the original number.

(a) 43
(b) 55
(c) 36
(d) 24

Q6: The numbers 2272 and 875 are divided by a three digit number N, giving the same remainder. The sum of the digits of N is

(a) 10
(b) 5
(c) 20
(d) 40

Q7: In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, find the dividend?

(a) 5355
(b) 5336
(c) 5332
(d) 5324

Q8: A number has two digits. If a number obtained by replacing the digits to each other is added to original number then the number thus formed will be exactly divisible by the number

(a) 9
(b) 5
(c) 7
(d) 11

Q9: What largest number of four digits is exactly divisible by 88?

(a) 9944
(b) 9765
(c) 9988
(d) 8888

Q10: The difference of two numbers is 1365. On dividing the largest number by the smaller, we get 6 as quotient and 15 as remainder. The smaller number is?

(a) 300
(b) 150
(c) 270
(d) 320

Q1: (b)
Q2: (a)
Q3: (c)
Q4: (d)
Q5: (c)
Q6: (a)
Q7: (b)
Q8: (d)
Q9: (a)
Q10:(c)