Question
A metal container has external dimensions of 30 cm in
length, 25 cm in width, and 20 cm in height. The thickness of the metal is 2 cm. Calculate the volume of metal used to make the container.Solution
l=30, b=25, h=20, and x =2 Volume of hollow cuboid = l× b× h –(l-2x) (b-2x) (h-2x)   --where, x is the thickness of walls of the cuboid = 30×25×20 – (30-4) (25-4) (20-4) =15000-26×21×16 =15000-8736 = 6264cm3
If N is the son of O, O and P are sisters, R, is the mother of P, Q is the son of R, then which of the following statements is correct?
Select the related word/letters/number from the given alternatives.
AC : ZX :: GJ : (?)
Select the word-pair that best represents a similar relationship to the one expressed in the given pair of words.
(The words must be considere...
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GZO : LAT : : SVO : LEH : : NVE : ?
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Select the option that is related to the third number cluster in the same way the second number cluster is related to the first number cluster.
3...
In the following question, select the related word from the given alternatives.
BURIED : SNGCZX :: LEGAL : ?
Select the option that is related to the fifth number in the same way as the second number is related to first number and the third number is related to...
Find the word that is related to the third term in the same way as the second term is related to the first term.
Book ∶ Page ∶∶ Newspaper...
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