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Pooja Sahu

· started a discussion

· 1 Months ago

solution (Question: 202150.0 )

please provide solution of all question

Question:
Two cubes whose each edge is 15 cm, are joined together to form a single cuboid. What is the total surface area of the new cuboid so formed?
Options:
A) 1850 cm2
B) 2250 cm2 
C) 2150 cm2
D) 1950 cm2
Solution:
Ans: (b)


Talented Boy

· commented

· 1 Months ago

@Sandeep Modanwal


Given 2 cubes are joined together with each sides 15 cm.

surface area of cuboid = 2(lb+bh+lh)
where l= length of cube , b = breadth , h = height of cube

length of cube when 2 cubes are joined
l= l+l
= 15+15
=30 cm

surface area of cuboid = 2(lb+bh+lh)
= 2(30*15+15*15+30*15)
= 2(150+225+150)
= 650 square cm

Sandeep Modanwal

· commented

· 1 Months ago

sir solution plz

Sanjay Bajpai

· commented

· 1 Months ago

cheak it on english version

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Thank you for the feedback. We surely try to give solutions if missed in any question.

Happy learning with us.!!

All the best,
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