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
Q226. The sum all even natural numbers between 1 and 31 is
- 16
- 128
- 240
- 512
Solution : 240
Q227. The difference between the place value and the face value of 6 in the numeral 856973 is
- 973
- 6973
- 5994
- None of these
Solution : 5994
Q228. If a and b are odd numbers, then which of the following is even ?
- a + b
- a + b + 1
- ab
- ab + 2
- None of these
Solution : a + b
Q229. Which one of the following numbers is completely divisible by 99?
- 3572404
- 135792
- 913464
- 114345
- None of these
Solution : 114345
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Q230. The sum of how many terms of the series 6 + 12 + 18 + 24 + ... is 1800 ?
- 16
- 24
- 20
- 18
- 22
Solution : 24
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