Adding without adding || Class - 4 || Unit - 6 || Mathematics || Whiteboardweb

 

 

 

 

 

How many patterns can we make from this square?

 

Explain your patterns.

 

 

 

 

 

3,6,9,12,15

 

6,12,18,24,30

 

9,18,27,36

 

*

 

*

 

*

 

*

 

 

 

 

 

 

Price of dictionary on single payment - 600 rupees.

 

Number of persons bought dictionary for 600 rupees - 29

 

 

 

Price of dictionary in two installments - 325 x 2 = 650 rupees

Number of persons bought dictionary in two installments - 32

 

   

Price of dictionary in three installments -240 x 3 = 720 rupees

Number of persons bought dictionary in three installments - 38

 

 

  

 

Total amount

 

 

    

17400 +

20800 

27360

65560 rupees

 

 

 

             

Total number of persons bought dictionary

 

29 +

32 

38

99

 

How much less ,if all had made a single payment?

 

 

600 x 99 = 59400 rupees

 

 

Difference

 

65560 -

59400 

  6160 rupees 

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