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(I) Correct – "firm" as a noun meaning a business.
(II) Correct – "firm" as an adjective meaning strong or solid.
(III) Incorrect – "firm the cake" is not standard usage; “chill” or “set” would be more appropriate.
A right circular cylinder having total surface area of 17710 cm2 is immersed in a vessel completely filled with water. If the height of the c...
Mohini's Biology test had 250 questions i.e. 20 Macromolecules, 60 Homeostasis and 70 Immunology questions. Although she answered 70% of the Macromolecu...
A solid metallic rectangular block of dimensions 112 cm × 44 cm × 25 cm is melted and recast into a cylinder of radius 35 cm. The curved surface area ...
Find the area of sector of a circle whose radius is 21 cm and angle subtended by the sector at centre of circle is 45 ° .
Find the time taken by a pipe, which releases 120 m3 of water in a minute to fill an empty cylindrical tank of radius 10 m and height 8 m. [T...
A man spends 70% of his income. If his income is increased by 25% and expenditure is increase by 20%. Find the % change in saving?
A pipe fills a cubical tank at the rate of 243 m3 per minute in 24 minutes. If a cylindrical tank having height same as the side of a cubical...
The length, breadth and height of a storeroom are 14m, 5m and 8m respectively. If each box occupies 40 m3 of space, then how many boxes can b...
Two cylindrical buckets 'A' and 'B' are such that the radius of bucket 'A' is thrice that of bucket 'B' whereas the height of bucket 'A' is twice that o...
