Answer fast â ‹Q2) Mr Harish donates some part of his income to orphanage every month In a - Maths - Surface Areas and Volumes

Question

Answer fast
â€‹Q2) Mr Harish donates some part of his income
to orphanage every month In a particular, he wishes to donate toys
for the children each toy is in the form of a cone mounted on a
hemisphere of common base of radius 7 cm The total height of the
toy is 31 cm
a) Find the cost of 50 such toys if the cost of material used in
the toy is Rs 5 per 100 cm2 and the cost of making is Rs
10 per toy
b) What values is shown by Mr Harish in the above problem ? (Ans:
Rs 2645 , kindness )

Lovina Kansal · Accepted Answer

Dear student
3
Length of cuboid, l = 18 mbreadth of cuboid, b = 12 mheight of cuboid, h = 9 mVolume of cuboid = lbh = 18 × 12 × 9 = 1944 m3Now, length of each edge of cube, s = 3 mvolume of 1 cube = s3 = 33 = 27 m3Number of cubes that can be cut from cuboid = Volume of cuboidvolume of 1 cube= 194427 = 72
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