ON LINE ASSIGNMENT OF SETS, WHOLE NUMBER AND NUMERATION

CLASS : VI

SUBJECT: MATHEMATICS

NAME:…………………………………………………….………………..……. Sec:……. Roll:…………..

TICK THE CORRECT OPTIONS:

1

2 belongs to set A is written as

a. 2EA

b) AE2

c) 2uA

d) 2nA

2

Empty set is denoted by

a) {0}

b) { }

c) 0

d) E

3

{1,2,3,…………,9} is ……………. set

a) empty

b) finite

c) infinite

d) equal

4

If U={1,2,3,4,……..,10} then its subset is

a) {3,5,7,9,11}

b) {0,1,2,3,4,5}

c) {1,3,5,7,9}

d) {0}

5

If A={2,3,4} and B={4,5,6} then AuB is

a) {2,3,4,5,6}

b) {4}

c) {2.3.5.6}

d) {2,3,4]

6

If A={a,b,c,d} and B={e,f,g,h} then AnB is

a) {0}

b) { }

c) {a,b,c,d}

d) {a,c,e,}

7

The roster form of set {x:x E w, x<4} is

a) {1,2,3}

b) {4}

c) {5,6,7}

d) {1,2,3}

8

If A={ consonant letters of the word ‘assignment’} then n(A) is

a) 3

b) 4

c) 5

d) 6

9

Two sets having same number of elements is called….. set

a) finite

b) disjoint

c) equivalent

d) equal

10

Which is the smallest prime number?

a) 0

b) 1

c) 2

d) 3

11

Which is the smallest composite number?

a) 1

b) 2

c) 3

d) 4

12

How many prime numbers are there between 1 to 100?

a) 15

b) 20

c) 25

d) 30

13

Which is the only prime number between 90 and 100?

a) 91

b) 93

c) 97

d) 99

14

Prime numbers have…………… factors

a) no

b) 1

c) 2

d) 3

15

If P(10) represents prime numbers from 1 to 10 and C(10) represents composite numbers from 1 to 10, then P(10) n C(10) is

a) {2,3,5,7}

b) {1,2,3,4,5,6,7,8,9,10}

c) { }

d) { 2,4,6,8}

16

Which of the following is not a prime number?

a) 37

b) 47

c) 57

d) 67

17

The numbers having more than two factors are called………… numbers

a) composite

b) prime

c) even

d) odd

18

Which is the smallest factor of 25?

a) 0

b) 1

c) 5

d) 25

19

Which is the greatest factor of 60?

a) 10

b) 15

c) 30

d) 60

20

Which is the factor of every numbers?

a) 1

b) 2

c) 3

d) 0

FILL IN THE BLANKS:

1

The numbers 1,,3,5,7,9,11 are called………………………………………………………

2

The numbers 0,1,2,3,4,5,6,7 are called……………………………………………………

3

The factors of 12 are…………………………………………………………

4

A number is divisible by 3 if the ……………. of its digits is divisible by 3.

5

A number is divisible by 6 if it is divisible by both ……… and …………..

6

The Roman numeral for 1264 is……………………………..

7

The Roman numeral for 22098 is…………………………….

8

The Roman numeral for 1,00,000 is …………………………

9

The Hindu- Arabic numeral for MMCDLXXX is ……………….

10

The Hindu-Arabic numeral for `D CDXC IS…………………..

11

If B= { letters of the word ‘ intersection’}, then n(B) is …………

12

All the possible subsets of the set {d,o,g } are …………………………………………

13

. If every elements of set P is also an elements of set Q then set ……… called subset of set ……….

14

The smallest whole number is ………….

15

The numeral for two billion, three thousand, four hundred and twenty is ………………………………………………….

16

The numeral for forty arabs, six crore, twenty-three thousand and six is …………………………………………………..

17

A number which is 1 less than the smallest number of 6 digits is …………….

18

The first four odd multiples of 7 are……………………………………………………..

19

The first six square numbers are………………………………………..