Practice Questions on Number System
Aptitude 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

 View Ans

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

 View Ans

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

 View Ans

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

 View Ans

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

 View Ans
Hide
 
 
 

Number formats

Decimals
Lofoya.com   2016

You may drag this calculator