In this set of questions we are going to cover Aptitude questions on “Classification of numbers**.”** This test consists of some good questions. This set of MCQ(multiple choice questions) focuses on the “**Aptitude practice questions on Classification of numbers”**

You should practice these questions to improve Aptitude skills needed for various interviews (like company interview, campus interview, walk-in interview), entrance exams, placements and other competitive exams. All the questions in this particular section are based on only “**Classification of numbers**“.

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Aptitude MCQ Practice Set | Classification of numbers

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### Aptitude questions – Classification of numbers

### #1. Find the number which when multiplied by 14 is increased by 520:

### #2. How many times 2 is used while writing the numbers from 1 to 100 ?

### #3. Find the simplified fractional form of 2.33333.....

### #4. The sum of the digits in a two-digit number is 6. If 18 is subtracted from the number, the result is the number with the digits reversed. The number is:

### #5. If A = 2^{^}64, B = 2^{^}63 + 2^{^}62 + 2^{^}61 + â€¦ + 2^{^}0 and C = 3^{^}30 + 3^{^}29 + 3^{^}28 + â€¦ + 3^{^}0, then which of the following option is TRUE?

### #6. What is the fractional value of 0.0292929â€¦â€¦

### #7. The difference between the place value and the face value of 4 in the numeral 967452 is

### #8. One-third of a 2 digit number exceeds its one-fifth by 8.What is the 2 digit number ?

### #9. Which of the following can be used to illustrate that not all prime numbers are odd?

### #10. If 1^{^}2 + 2^{^}2 + 3^{^}2 +â€¦... + 10^{^}2 = 385, then find the value of 2^{^}2 + 4^{^}2 + 6^{^}2 + â€¦.. + 20^{^}2

### #11. The three rational numbers between 3 and 4 are:

### #12. Five-eighth of three-tenth of four-ninth of a number is 55. What is the second multiple of that number?

### #13. One-fifth of a number is equal to 5/8th of another number. If 35 is added to the first number, it becomes four times the second number. Find the first number.

### #14. How many times 4 is written in numbers from 1 to 80?

### #15. The sum of two numbers is 25 and their product is 144. What will be the sum of their reciprocals?

### #16. Find difference between Place value and Face value of 4 in 4657.

### #17. Three numbers such that twice the first, 3 times the second and 4 times the third together make 194. The numbers in question are:

### #18. If (32)^{^}2 - (18)^{^}2 = 20 x a, then a = ?

### #19. The smallest composite number is?

### #20. The difference between the squares of two consecutive odd integers is always divisible by?

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