how many post cards can be made out of 5 sheets if paper 1m 20 cm by 80cm if the size of post card is 15cm by 8cm? find the cost of each card be 50 paise
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area of paper=120×80=9600cm^2
area of post card=15×8=120 cm^2
no.of post cards made=9600÷120=80
cost=80×50=4000paise=4000/100
=40rupees
area of post card=15×8=120 cm^2
no.of post cards made=9600÷120=80
cost=80×50=4000paise=4000/100
=40rupees
annu82:
bt iska ans to 400 , 200 aa rha hai
sorry some mistakes is done by me
plz check it n tell me correct sollution
area of 1 paper=9600,area of 5 paper= 9600×5=48000cm^2,no.of post card=48000÷120=400,cost=400×50=20000paise=200rupees
thanks...
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