7. The cost of painting a cubical box whose edge is 1 m at the rate of Rs. 1 persq. m: 15 1 b. Rs. 12 Rs. 8 d. Rs. 6 b.
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Answer:
here is your answer
Step-by-step explanation:
Surface area
=2(lb+bh+lh)
=2(20×15+15×12+20×12)
=600+360+480
=1440cm
2
Cost =1440cm
2
=
cm
2
0.02Rs
is equal to:72Rs
PLEASE MARK AS BRAINLIEST
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