1. MATHEMATICS CHAPTER:-THE JUNK SELLER TOPIC:-PRICE LIST
COMPETENCY:-ABILITY TO COMPUTE
SUB COMPENTENCY:-PROBLEM SOLVING ABILITY

2. JUNK

3. JINU’S RATE LIST SR NO. KIND OF JUNK PRICE OF 1KG 1 WASTE PAPER RS.5 2
NEWS PAPER
RS.8 3
IRON
RS.15 4
BRASS
RS.190 5
PLASTIC
RS.18

4. DINU’S RATE LIST SR NO. KIND OF JUNK PRICE OF 1KG 1 WASTE PAPER
RS.4.50 2
NEWS PAPER
RS.6 3
IRON
RS.14 4
BRASS
RS.180 5
PLASTIC
RS.15

5. HOW MUCH WILL DINU PAY FOR 63KG PLASTIC?

6. WE CAN WRITE …...
63=60+3
12=10+2

7. HOW TO MULTIPLY:- 63X12 60 3 10 2
ADD

8. HOW TO MULTIPLY:- 63X12 60 3 10
60X10
600 2
ADD

9. HOW TO MULTIPLY:- 63X12 60 3 10
60X10
600
3X10 30 2
ADD

10. HOW TO MULTIPLY:- 63X12 60 3 10
60X10
600
3X10 30 2
60X2
120
ADD

11. HOW TO MULTIPLY:- 63X12 60 3 10
60X10
600
3X10 30 2
60X2
120
3X2 6
ADD

12. ADD:-
600
120 30
???

13. ADD:-
600
120 30
756

14. HOW MUCH WILL JINU PAY FOR 63 KG PLASTIC?
COST OF 1KG
PLASTIC= RS.18
COST OF 63 KG PLASTIC=63X18

15. HOW TO MULTIPLY:-63X18 60 3 10
60X10
600
3X10 30 8
60X8
480
3X8 24
ADD

16. ADD:-
600
480 30
????

17. ADD:-
600
480 30
1134

18. QUESTIONS:- TO WHOME SHOULD KIRAN SELL PLASTIC?
WHY?
ANS:-__________________________________
WHO WILL PAY LESS FOR PLASTIC?
ANS:-______________________________________

19. QUESTIONS:- TO WHOME SHOULD KIRAN SELL PLASTIC? ANS:-JINU. WHY?
ANS:-BECAUSE, JINU IS PAYING MORE FOR PLASTIC.
WHO WILL PAY LESS FOR PLASTIC?
ANS:-DINU.

20. QUESTIONS:- FIND JINU’S RATE LIST DINU’ RATE LIST COST OF 5 KG PLASTIC
COST OF IKG PLASTIC=
COST OF 23KG BRASS
COST OF 1 KG BRASS=
COST OF 23 KG BRASS=
COST OF 1 KG BRASS=
COST OF 30KG IRON
COST OF 1 KG IRON=
COST OF 30 KG IRON=
COST OF 34KG WASTEPAPER
COST OF 1 KG WASTEPAPER=
COST OF 34 KG WASTEPAPER=
COST OF 1 KG WASTE PAPER=
COST OF 45KG NEWSPAPER
COST OF 1 KG NEWSPAPER=
COST OF 45 KG NEWSPAPER=
COST OF 1 KG NEWSPAPER=

21. QUESTIONS:- FIND JINU’S RATE LIST DINU’ RATE LIST COST OF 5 KG PLASTIC
COST OF 1 KG PLASTIC= 18 RS.
COST OF 5 KG PLASTIC= 18X5=90RS.
COST OF IKG PLASTIC=15RS.
COST OF 5 KG PLASTIC= 15X5=75RS.
COST OF 23KG BRASS
COST OF 1 KG BRASS=190 RS
COST OF 23 KG BRASS=
190X23=4370RS.
COST OF 1 KG BRASS=180 RS.
COST OF 23 KG BRASS= 180X23=4140RS.
COST OF 30KG IRON
COST OF 1 KG IRON=15 RS.
COST OF 30 KG IRON= 15X30=450RS.
COST OF 1 KG IRON=14 RS.
COST OF 30 KG IRON= 14X30=420RS.
COST OF 34KG WASTEPAPER
COST OF 1 KG WASTEPAPER=5 RS.
COST OF 34 KG WASTEPAPER= 5X34=170RS.
COST OF 1 KG WASTE PAPER=4.50 RS.
COST OF 34 KG WASTEPAPER= 4.5X34=153RS.
COST OF 45KG NEWSPAPER
COST OF 1 KG NEWSPAPER=8 RS.
COST OF 45 KG NEWSPAPER= 8X45=360RS.
COST OF 1 KG NEWSPAPER= 6 RS.
COST OF 45 KG NEWSPAPER= 6X45=270RS.

22. FIND:- 65X45=____________ 78X34=____________ 54X29=____________

23. FIND:- 65X45=____________ 78X34=____________ 54X29=____________