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Outer part surface area = 2πRh Inner part surface area = 2πrh Area of shaded portion = 2πR² - (πr)² = π(R² - r²) Total surface area = 2πRh + 2πrh + 2π(R² - r²) = 2π(R+r) [h + R - r] = 2π(R+r) [h + thickness] Required surface area = 2π(R+r) [h + thickness] = 2 × 22/7 × (12.5 + 11.5) × 21 = 132 × 24 = 3168
The physiology of heat response (A) in animals is very complex and poorly linked (B) , as it appears understood (C) to a number of factors such a...
Direction: In each of the questions given below, a sentence is given which is divided into four parts A, B, C and D. These four parts may or may not be...
In the following question, a sentence is given with a phrase highlighted in bold. Find out the phrase, among the phrases (a, b, c, d) given below each ...
In each of the questions given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then ...
Select the most appropriate option to substitute the bold segment. If no substitution is required select 'No substitution'.
When I was passing th...
In each of the questions given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then ...
Given below are a few questions with four highlighted words which may or may not require swapping in order to make sentence contextually and meaningfull...
Their demands include the scrapping (A) of the labour codes, no privatisation (B) of any form, scrapping of the NMP, increased allocating (C) of w...
In each of the following questions four words have been highlighted, which may or may not be in their correct position. You are required to interchange...
