MULTIPLY,DIVIDE AND ROMAN NUMERALS

LCM AND HCF
BODMAS
DECIMAL
UNITARY METHOD
NO. SYSTEM &INTEGERS
Perimeter and area
1

if you multiply me by 6 , I become 288. What number am I ?

(a) 36                                     (b) 48

(c) 42                                     (c) 72 

(b) 48

1

Expand

767

700 + 60 + 7

1

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561

500 + 60 + 1

1

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742

700 + 40 + 2

1

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995

900 + 90 + 5

1

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855

800 + 50 + 5

1

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889

800 + 80 + 9

2

What we will get by multiplying the smallest 2 digit odd no. and the first prime no.?

(a) 20                            (b) 24

(c) 22                            (d) 

(c) 22

2

400 + 40 + 4

444

2

700 + 50 + 9

759

2

300 + 90 + 1

391

2

500 + 30 + 7

537

2

600 + 10 + 8

618

2

800 + 60 + 4 = 

864

3

4508 x100 x2 x5 

4508000

3

8 + 3 + 4 = 

15

3

7 + 5 + 2 =

14

3

9 + 5 + 4 =

18

3

6 + 8 + 5 =

19

3

6 + 9 + 1 =

16

3

8 + 4 + 4 =

16

4

find dividend if :

Quotient = 5

Divisor = 2x quotient

Remainder =4

Dividend is 54

4

12 + 12

24

4

13 + 13 =

26

4

17 + 17 =

34

4

15 + 15 =

30

4

14 + 14 =

28

4

18 + 18 =

36

5

What will be the number which is 32059 more than the product of 21 and 12?

32311

5

What will be the sum of 4 greatest 2-digit multiples of 12?

312

5

19 - 8 =

11

5

17 - 5 =

12

5

13 - 9 = 

4

5

16 - 9 =

7

5

15 - 8 =

7

8

              4566889826*

What will be the smallest no.there in the place of 8 *   to make it divisible by 11?

It will be 4 in the place of *.

8

The product of LCM and HCF of two numbers is 86400.


If one no. is 360, find the other number. 

The other number is 240.

8

34 + 15 =

49

8

36 + 12 = 

48

8

51 + 17

68

8

41 + 16 =

57

8

45 + 13

58

10

A baker made 4,896 cookies for a charity event. He needs to pack them into boxes containing 36 cookies each.

What will be sum of complete no. of boxes and no. of cookies left? 

The sum will be 136

10

25 + 24 =

49

10

32 + 25 =

57

10

22 + 44 =

66

10

31 + 25 =

56

10

33 + 36 =

69

10

35 + 35 =

70