# 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

Q221. **A number when divided by 6 leaves a remainder of 3. When the square of the number is divided by 6, the remainder is:**

1.  0
2.  1
3.  2
4.  3

Solution : 3
Q222. **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
Q223. If 1400 x A = 1050. Then, A = ?

1.  1/4
2.  3/5
3.  2/3
4.  3/4
5.  None of these

Solution : 3/4
Q224. **The difference of the squares of two consecutive even integers is divisible by which of the following integers?**

1.  3
2.  4
3.  6
4.  7

Solution : 4

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Q225. Which one of the following is a prime number ?

1.  119
2.  187
3.  247
4.  551
5.  None of these

Solution : None of these
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