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CBSE Class 7 Answered

.  A  table  cover  4 m  x  2 m , is  spread  on  a  meeting  table. If  25 cm of  the          table  cover  is  hanging  all  around  the  table, find  the  cost  of  polishing          the  table  top  at  Rs.2.25  per  square  metre.  
Asked by Parmod | 05 Jan, 2018, 08:49: PM
answered-by-expert Expert Answer
begin mathsize 16px style Length space of space the space cover space at space the space top space of space table equals 4 minus 2 cross times 0.25 equals 3.5 space straight m
Breadth space of space the space cover space at space the space top space of space table equals 2 minus 2 cross times 0.25 equals 1.5 space straight m
rightwards double arrow Area equals 3.5 space straight m space cross times space 1.5 space straight m space equals 5.25 space sq. space straight m
Cost space of space polishing equals Rs. space 2.25 cross times 5.25 equals space Rs. space 11.8125 end style
Answered by Rashmi Khot | 08 Jan, 2018, 12:01: PM
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