# Number System

Number System Questions: What is Number System in Maths? Divisibility Rules for 7, Divisibility Rules for 11, Binomial Theorem Questions, Factorize Expressions

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## Online Aptitude Questions with Answers on Number System

Q131. **The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number?**

1.  240
2.  270
3.  295
4.  360

Solution : 270
Q132. **In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient?**

1.  0
2.  12
3.  13
4.  20

Solution : 20
Q133. **The sum of two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers?**

1.  12/35
2.  1/35
3.  35/8
4.  7/32

Solution : 12/35
Q134. **The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:**

1.  3/5
2.  3/10
3.  4/5
4.  5/4

Solution : 4/5

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Q135. **On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is:**

1.  47619
2.  47719
3.  48619
4.  47649

Solution : 47619
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