The caring old people organisation needs money to build the old age home which req. 164000bricks . bricks measure 10. 8. 4 and cost of bricks depends on its volume at the rate of rs 1per100cm ​3 . it req. 4 cylindrical cans of paint of radius 14 cm and height 30cm . the cost of paint is rs 1 per 20 cm 3 find total money

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Answers

2016-03-11T22:24:38+05:30
L=10,b=8,h=4
Volume of 164000 bricks= 164000×lbh
=164000×10×8×4
=5248×10⁴cm³

Cost of bricks =5248×10⁴×1/100
=5428×10²
=543800Rs

r=14cm,h=30cm
Volume of 4 paint cans=4πr²h
=4×22/7×14×14×30
=73920cm³

Cost of paint=73920×1/20
=3696Rs

Total cost=543800+3696
=550496Rs

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