Question
A solid metal sphere of radius 6 cm is melted and recast
into smaller solid spheres each of radius 3 cm. How many such smaller spheres can be made?Solution
Volume of original sphere: V = (4/3)πR³ = (4/3)π × 6³ = (4/3)π × 216 = 288π Volume of one small sphere (r = 3 cm): v = (4/3)πr³ = (4/3)π × 3³ = (4/3)π × 27 = 36π Number of small spheres = 288π / 36π = 8 Answer: 8 spheres.
Who has been appointed as the brand ambassador for Xiaomi's smartphone category in India, focusing on innovation and user-centric design?
Which of the following bank was merged with Bank of Baroda from April 1, 2019?
Article 315 of the Constitution of India is related to the:
Which of the following options accurately describes the structure of LEI digits?
Amarkantaka is the origin of which river?
The _______________ of the Indian Constitution defines the Fundamental Duties of Indian Citizens.
Which winds blow across the Asian continent at latitudes north of the Himalayas roughly parallel to the Tibetan highlands?
In each of the following questions, a word printed in Capital letters is followed by four numbered words or phrases. Choose the one, which is most nearl...
In which year did India first participate in the Olympic games?
Consider the following statements in regards to Mission for Integrated Development of Horticulture (MIDH):
1.   It is a Centrally Sponsored ...
