What did he do?
The County Inspector smiled at Margie and gave her an apple. He took the mechanical teacher apart from her. Then... View Article
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Which method of collection of data gives better result? (a) Census (b) Sample survey
Sample survey gives better results. Hence, the correct answer is option (b) Learn more: Census method and Sampling method
Tick the correct answer: The river Yangtze flows in (i) South America (ii) Australia (iii) China
The river Yangtze flows in China. Hence, the correct answer is option (iii)
List any five rational numbers between -2 and 0
Rational numbers between -2 and 0: (-2/1) and (0/1) Since, we need 5 numbers, multiply both the numerator and denominator... View Article
What is collective noun for judges?
Collective Noun – a name used for a group of people, animals, or things. Example, cattle, family, herd, team, etc.... View Article
Find the area of the polygon, if AL = 10 cm, AM = 20 cm, AN = 50 cm, AO = 60 cm and AD = 90 cm.
Given that, AL = 10 cm; AM = 20 cm; AN = 50 cm; AO = 60 cm; AD =... View Article
Draw the structure of (HPO3)3?
The structure of (HPO3)3 is shown below:
If triangle ABC ~Triangle QRP ,ar(ABC)÷ar(QRP)=9÷4, AB = 18 cm and BC=15 cm then find PR
Given △ABC ~ △QRP Hence, Area of △ABC / Area of △QRP = BC2/PR2 So, 9/4 = 152/PR2 PR2 =... View Article
2^50 is referred as (a) kilo (b) tera (c) peta (d) zetta
A petabyte (PB) is equal to two to the 50th power of bytes. Hence, the correct answer is peta i.e... View Article
Balance this equation with steps C2H6 + O2 → CO2 + H2O
Given C2H6 + O2 —-> CO2 + H2O Balance C atoms C2H6 + O2 —-> 2CO2 + H2O Balance H... View Article
Find the value of int xex dx
Given \(\begin{array}{l}\int xe^{x}dx\end{array} \) Consider \(\begin{array}{l}I = \int xe^{x}dx\end{array} \) We know that, \(\begin{array}{l}\int uv dx = u\int vdx –... View Article
Which is the country where news is printed on the cloth not on paper?
‘Spain’ is the country where news is printed on the cloth, not on paper.
What does courage mean to Mandela?
According to Mandela, courage was not the absence of fear, but the triumph over it. A brave man is not... View Article
Choose the gender of the word actor (a) masculine gender (b) neuter (c) feminine gender (d) common gender
The gender of the word actor is ‘masculine gender’
Write any six characteristics of thallophyta.
Characteristics of Thallophyta are as follows: 1. They are usually found in moist or wet places. 2. This is due... View Article
Difference between Auricle and Ventricle
Auricle • Auricle refers to a structure of the atrium of the heart, resembling an earlobe. • The Upper chambers... View Article
What are addition reactions? Explain with an example
An addition reaction occurs when two or more reactants combine to form a single product. Addition reactions occur with unsaturated... View Article
A fighter plane flying horizontally at an altitude of 1.5 km with a speed of 720 km/h passes directly overhead an anti-aircraft gun. At what angle from the vertical should the gun be fired for the shell with muzzle speed 600 m s-1 to hit the plane? At what minimum altitude should the pilot fly the plane to avoid being hit? (Take g = 10 m s-2
Speed of the fighter plane = 720 km/h = 720 x (5/18) = 200 m/s The altitude of the plane... View Article
What are the uses of square root spiral?
The spiral of Theodorus (also referred to as the square root spiral or the Pythagorean spiral) is a construction of... View Article
What are the Shivaji’s ideas of Swaraj?
Ideas of swaraj as understood by Shivaji 1. Remember, your duty is to serve us in our struggle to establish... View Article
