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rahul kumar

· started a discussion

· 1 Months ago

wrong soln (Question: 222737.0 )

bhai solution toh sahi dalo..pie ki value kaha gyi aur radius x nhi x/2 hoga..check

Question:
On the top of a cubical box a pyramid is placed, base of the pyramid being the same as the top of the box. Height of the pyramid is twice the height of the box. The ratio of the volume of the combined body to that of the box is ?
Options:
A) \(\cfrac{4}{3}\)
B) \(\cfrac{5}{3}\)
C) \(\cfrac{5}{4}\)
D) \(\cfrac{8}{5}\)
Solution:
Ans: (b) Let side of cubical box = x unit

So, volume of box = x3 cubic units

Height of pyramid = 2x units 


Akash

· commented

· 1 Months ago

srry ..1/3 *area of base*h

Akash

· commented

· 1 Months ago

vol of pyramid=area of base*height
here,area of base=x^2
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