Question
A solid hemisphere of diameter 8 cm is placed over a
cube whose side is 7 cm. Calculate the total surface area of the combined structure. [Use Ď = 3]Solution
ATQ,
Let the radius of the hemisphere be ârâ cm and the side of the cube be âsâ cm. Total surface area of the structure formed = = 5s² + (s² â Ďr²) + 2Ďr² = 5 Ă 7² + (7² â 3 Ă 4²) + 2 Ă 3 Ă 4² = 245 + (49 â 48) + 96 = 245 + 1 + 96 = 342 cm²
In which of the following cases it was held that- âthere should be a close association in place and time between the statement and act. If there is n...
When a mortgaged property is leased and mortgagor obtains renewal of lease, mortgagee is_____________.
Journalist K publishes an article in a prominent newspaper stating: "During his lifetime, Politician L repeatedly engaged in massive financial corruptio...
If there is any offending part in a statute, then, only the offending part is declared void and not the entire statute. This is the core theme of
What does the term "Memorandum" refer to in the context of Companies Act?
Theft does not include :
On what grounds can the chairperson or member of FSSAI be removed?
WE, THE PEOPLE OF INDIA, having solemnly resolved to constitute India into a SOVEREIGN SOCIALIST SECULAR DEMOCRATIC REPUBLIC and to secure to all its ci...
The explanation to Section 23 defines âCommunity Serviceâ asâÂ
According to Section 2(3), who is defined as a "child"?Â
Relevant for Exams:
