Latest UPSC Aptitude Question SOLUTION: Two cubes of sides 6 cm each are kept side by side to form a ractangular parallelepiped. the area of whole surface of the ractangular parrallelepiped is?

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(#M40013847) UPSC Numerical Ability question Math Keep an EYE

Two cubes of sides 6 cm each are kept side by side to form a ractangular parallelepiped. the area of whole surface of the ractangular parrallelepiped is?

Asked In UPSC Durgesh tiwary (11 years ago)

Unsolved Read Solution (10)

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Read Solution (10) :

Vinay Sipani   (11 years ago)

Area of cube = 6 x 6^2 = 216 sq.cm

Area of rectangular parallelepiped = (2*area of cube) - (area of two faces)
=> A = (2 x 216) - (2 x 6^2) = 360 sq.cm

Is this solution Helpfull? Yes (5) | No (1)  

Gaurav Singla  (9 years ago)

length become 12
but breadth and height will remain same i.e 6

so area is 2(lb+bh+hl)
=2( 72+36+72 )
=2*180
=360

Is this solution Helpfull? Yes (2) | No   

jagriti kukreja  (11 years ago)

Answer :6*12*6=432 cubic cm
here length=12,breath=6,height=6

Is this solution Helpfull? Yes | No (1)  

Mithra  (9 years ago)

There are 6 sides for this rectangular parallelopiped. two faces are square : 6*6
4 faces are rectangle: 12*6. So 4 in all rectangular faces put together = 72* 4= 288
All 2 square faces put together = 36*2 = 72
Total surface area of this parellelopiped is 360 sq.cm

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Titas Biswas  (9 years ago)

When two cubes of equal given measurements are kept aligned together,it forms a cuboid with length = 12 cm,breadth = 6 cm and height = 6 cm.So,the area of the parallelpiped is 2(lb + bh + lh) = 2 (12.6 + 6.12 + 6.6) cm^2 = 2 (72 + 72 + 26) cm^2 = 2 (180) cm^2 = 360 cm^2.

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NIKITA   (8 years ago)

2*(72+72+36)=360

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Akash  (8 years ago)

10a2..
5+5

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shalini  (8 years ago)

area of parallelepiped= 2(lb+bh+lh)
=2(12*6+6*12+6*6)
=2(72+72+36)
=2(180)= 360 cm^2

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tejaswi A  (7 years ago)

360 square cm
explanation:-
360=6*6+6*6+12*6+12*6+12*6+12*6

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Mayur Shinde  (7 years ago)

6+6=12cm will bethe width of rectangle
and hight of rectangle is 6cm

so area of rectangle =12*6=72

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