Question
A cylindrical tank of 28 cm base radius is partly filled
with water. How many bullets of 1cm radius of iron is added in it in order to increase the water level by 5cm?Solution
Base radius of a cylindrical tank = 28 cm Change in the rise of water in a cylindrical tank = Volume of a bullet Radius of a iron = 1 cm No. of bullets = (Change in the rise of water in a cylindrical tank)/(Volume of a bullet) = (π r^2 h)/((4 )/(3 ) π r^3 ) = (π × 28 × 28 × 5 )/(π (4 )/(3 ) × 1^3 ) = (28 × 28 × 5 × 3)/(4) = 2940 To increase the water level by 5cm we need 2,940 bullets.
Select the correct passive/active form of the given sentence.
There is an apportunity to gainÂ
Select the correct passive form of the given sentence.
This institute is offering a new online course in Entrepreneurship.
The sentence has been given in Active/Passive Voice. Change the voice to Passive/Active.
Mohit was being taught.
Choose the option that is the passive form of the sentence.
I burnt my hand yesterday while cooking.
Select the correct active voice of the given sentence.
Are you frightened by snakes and spiders?
 Groups of four words are given. In each group one word is rightly spelt. Find the rightly spelt word.
 (a)  Translucent      (b)  ...
Convert the given Active voice into the Passive voice.Â
Are they planning a surprise party?Â
Select the correct active voice of the given sentence.
A stringent view of the matter of stubble burning has been taken by the Green Tribunal.
Select the correct PASSIVE VOICE form of the given sentence.
The doctor advised him bed rest for a fortnight.
The sentence has been given in Active/Passive Voice. Change the voice to Passive/Active.
The Phone has not been repaired by Arun.
Relevant for Exams:
