1.

1Square shaped stamps, each of side 2 cm are pasted on a rectangular sheet of paper 30 em by i8 enwithout any gaps, what is the number of stamps pasted?

Answer»

Area of square shaped stamp= (2)²= 4 sq.cm

area of rectangular sheet= l×b= 30×18= 540 sq.cm

area 1 stamp used on sheet = 540/4 = 135 sq.cm

no. of stamps used= 135× 540= 62900



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