# 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

Q76. **A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15?**

1.  13
2.  11
3.  9
4.  1

Solution : 1
Q77. **A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17?**

1.  11
2.  10
3.  9
4.  5

Solution : 9
Q78. **A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder?**

1.  33
2.  34
3.  35
4.  36

Solution : 33
Q79. **How many figures are required to number the pages the pages of a book containing 365 pages?**

1.  987
2.  977
3.  967
4.  897

Solution : 987

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Q80. **How many figures are required for numbering the pages of a book containing 1000 pages?**

1.  6489
2.  3892
3.  2893
4.  2883

Solution : 2893
Q{{(\$index+1)+((page-1)*LIMITPERPAGE)}}.

1.

Solution :

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