MATHATHON CLASS VI

MULTIPLY,DIVIDE AND ROMAN NUMERALS

1

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

(a) 36                                     (b) 48

(c) 42                                     (c) 72 

(b) 48

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

3

4508 x100 x2 x5 

4508000

4

find dividend if :

Quotient = 5

Divisor = 2x quotient

Remainder =4

Dividend is 54

5

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

32311

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 *.

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

LCM AND HCF

1

Which of the following is  LCM of 100,1000,10000 ?

(a) 100                         (b) 1000

(c) 10000                     (d) 100000

(c) 10000

2

A number x is divisible by 18. This x must be divisible by:

(a) 9 and 12                        (b) 6 and 12

(c) 6 and 9                          (d) 3 and 4

(c) 6 and 9

3

Factors of the sum of the smallest prime number and the smallest composite numbers are:

__________________________

The no is 6

1,2,3,6

4

Find least common multiple of 12,18,24 and 36.

The LCM IS 72.

5

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

312

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.

10

The floor of a room is 8 m 40 cm long and 7 m 56 cm broad. Find the minimum no. of square tiles of the same size needed to pave floor.

90 tiles will be required.

BODMAS

1

Expand

561

500 + 60 + 1

2

700 + 50 + 9

759

3

7 + 5 + 2 =

14

4

13 + 13 =

26

5

19 - 8 =

11

8

34 + 15 =

49

10

32 + 25 =

57

DECIMAL & GEOMETRY

1

What will be quotient when 0.48 divided by 6?

(i) 8                              (ii) 0.6

(iii) 48                          (iv) 0.08

(iv) 0.08

2

2.Find the average of 3.51 ,2.886 and 33.6

The average is 13.332

3

How many diagonals are there is a regular hexagon?

The no. of diagonals is 9

4

The sum of 9 angles of a decagon is 1200 degrees. What is the remaining angle?

The remaining angle is  

5

17 - 5 =

12

8

36 + 12 = 

48

10

22 + 44 =

66

UNITARY METHOD

1

Expand

995

900 + 90 + 5

2

500 + 30 + 7

537

3

6 + 8 + 5 =

19

4

15 + 15 =

30

5

13 - 9 = 

4

8

51 + 17

68

10

31 + 25 =

56

NO. SYSTEM &INTEGERS

1

Expand

855

800 + 50 + 5

2

600 + 10 + 8

618

3

6 + 9 + 1 =

16

4

14 + 14 =

28

5

16 - 9 =

7

8

41 + 16 =

57

10

33 + 36 =

69

Perimeter and area

1

Expand

889

800 + 80 + 9

2

800 + 60 + 4 = 

864

3

8 + 4 + 4 =

16

4

18 + 18 =

36

5

15 - 8 =

7

8

45 + 13

58

10

35 + 35 =

70