# Practice Questions on Number SystemAptitude Questions and Answers

## Easy Number System Question - 1

 Q1. Which of the following has most number of divisors?
 A. 99 B. 101 C. 176 D. 182

## Easy Number System Question - 2

 Q2. A girl wrote all the numbers from 100 to 200. Then she started counting the number of one's that has been used while writing all these numbers. What is the number that she got?
 A. 111 B. 119 C. 120 D. 121

## Easy Number System Question - 3

 Q3. If each of the three nonzero numbers  a, b and  c  is divisible by 3, then  abc  must be divisible by which one of the following the numbers?
 A. 8 B. 27 C. 81 D. 121

## Easy Number System Question - 4

 Q4. The LCM of two numbers is 280 and their ratio is $7:8$. The two numbers are
 A. 70, 80 B. 35, 40 C. 42, 48 D. 28,32

## Easy Number System Question - 5

 Q5. If we write down all the natural numbers from 259 to 492 side by side get a very large natural number $259260261....491492$. How many 8's will be used to write this large natural number?
 A. 32 B. 43 C. 52 D. 53
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