Number Series , General Intelligence & Reasoning

1) The difference between the greatest four  digit number and the smallest four- digit number is
1) 1
2) 90
3) 9000
4) 8999

2) How many four digit number do we have in number system.
1) 9999
2) 9990
3) 9000
4) 8999

3) While writing numbers from 1 to 100 how many times does the digit ‘7’ occur
1) 9
2) 10
3) 20
4) 21

1) Which of the following number is divisible by ‘2’
1) 3145
2) 5169
3) 6780
4) 34269

2) Which of the following number is divisible by ‘6’.
1) 5342
2) 6170
3) 6270
4) 5164

3) The number which is divisible by ‘4’ is
1) 74926
2) 3150
3) 5466
4) 5128

4) The number 54612 is divisible by
1) only 2
2) 3 Only
3) only 9
4) 2,3,9

5) The number which is divisible both 3 and 9?
1) 74211
2) 89261
3) 89262
4) 1443

1. Factors of 60 are ?
1) 2,3,5
2) 1,2,3,5,12,60
3) 1,2,3,4,5,6,10,12,15,20,30,60
4) 1,2,3,4,8,10,12,60

2. The number of prime factors of 105 is
1) 2
2) 3
3) 4
4) 5

3. The total numbers of factors of 81 is
1) 6
2) 5
3) 4
4) 7

4. The sum of first five multiples of 6 is
1) 70
2) 84
3) 90
4) 96

5. Prime factorization of 144
1) 4 x 3 x 12
2) 2 x 2 x 2 x 2 x 16
3) 2 x 2 x 2 x 2 x 3 x 3
4) 2 x 2 x 2 x 2 x 9

6. The number of multiples of 3 which are less than 22
1) 6
2) 7
3) 8
4) 12

7. The common factor of 20 and 24
1) 2
2) 3
3) 4
4) 6

8. Sum of first five odd multiples of 3 is
1) 45
2) 75
3) 90
4) 60

9. Prime factorization of greatest 3 digit number is
1) 2 x 2 x 5 x 5
2) 3 x 3 x 111
3) 3 x 3 x 11
4) 3 x 3 x 3 x 37