Question
A hollow cylinder is made up of steel. the difference in
its outer and inner curved surface area is 132cm2.Height of cylinder is 21 cm and sum of the inner and outer radius is also 21 cm. Find the approximate Total surface of the hollow cylinder (in cm 2 )Solution
ATQ,
Given: Difference in curved surface area = 132 cm2 Height h =21cm Find the difference between the outer and inner radii. 
Solve the system of equations: 
Calculate the total surface area:
So, the total surface area is approximately 3466.9 cm².
Which government scheme offers financial support to startups with innovation-driven ideas?
The 10th Schedule of the Indian constitution is related to ________.
The Reserve Bank of India was established in:
RBI issued a 2024 circular to Asset Management Companies (AMCs) regarding which of the following?
ISO 20022 was first launched in India by:
Which of the following statements with reference to the service sector is/are correct?
1. Retail trade falls under tertiary activity
...
The number of Pawn in chess is_______.
As per Nov 2020, How many countries have membership in the World Trade Organisation?
Who holds the record for the fastest half-century in IPL 2023, scoring 50 runs?
Rice University in the US has recently signed a research and engagement strategy with which prominent Indian institute,?
Relevant for Exams:
