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
Q151. **If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is:**
- 40
- 44
- 80
- 88
Solution : 40
Q152. **The sum of three consecutive numbers is 87. The greatest among these three number is:**
- 26
- 28
- 29
- 30
Solution : 30
Q153. **The sum of three consecutive multiples of 3 is 72. What is the largest number?**
- 21
- 24
- 27
- 36
Solution : 27
Q154. **The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?**
- 69
- 78
- 96
- Cannot be determined
Solution : Cannot be determined
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Q155. **In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:**
- 24
- 26
- 42
- 46
Solution : 24
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