Students and Teachers Forum
Here, Diameter = d = 14cm So, radius = r = 14/2 = 7cm Perimeter of semi - circle = πr + d = 22/7 ⨯ 7cm + 14cm Find .....
Initial velocity (u) = 0 m/s Acceleration (a) = 8 m/s2 Time (t) = 10 Final velocity (v) = ? By using formula, v = u + at You ca solve it .....
All matter is made up of atoms and molecules that are constantly moving. When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the .....
Here, (2x - 5)o and (3x + 5)o are the pair of supplementary angles So, (2x - 5)o + (3x + 5)o= 180o or, 2x + 3x = 180o or, 5x = 180o Find x and then (2x - 5)o and (3x + .....
Human population management or human population control is the practice of keeping the human population at a sustainable human population number. Women employment may be defined as the condition in which the women of working age makes their own .....
Here, n(S) = total no.of cards = 20 n(E) = even cards = 20 n(P) = prime number = 8. Now, probability of getting first is even number and second is prime number = P(E).P(P) = 10/20 . 8/19 =...........Find .....
ii) Magnetic field to electrical .....
Transformers operate on the principle that current in a wire generates a magnetic field. And more importantly that a change in magnetic flux creates a current in a wire within that field. The input side of a transformer consists of multiple .....
Let the common ratio be x, then, Income = 4x = Rs.10500 Or, x = 10500/4 = Rs.2625 So, Expenditure = 3x = 3 ⨯ Rs.2625 = Rs.7875 Now, Saving in 1 month = Income - Expenditure = ..................Find it. Saving in 1 year = .....
"Education is light brighter than that of sun”. Education not only removes ignorance but also makes a person conscious, skilled and productive. Now education has become basic need of everyone. For development education is considered and .....
Who hit her on the .....
Definitely, the density of population is very high in the monsoon region. The reasons behind this are mentioned in the points below: The climate is suitable for agricultural activities so, people are attracted to this region for the purpose of .....
Here, Total students = n(U) = 160 No.of students who did not like both = n(SUD)' = 30 No.of students like to sing only= no(S) = 60 No.of students like to dance only= no(D) = 50. Now, what we should do for this? Write complete .....
Desktop is the working area of a computer screen. It is regarded as a representation of a notional desktop. It contains icons representing items such as .....
A(1, 4) is a pair because two objects 1 & 4 is .....
Folk songs and folk dances are complementary to each other. These two are integrated into one for their relevancy. In the absence of folk songs, folk dances are meaningless. The combination of folk songs, musical instruments and dances give a .....
Here given, f(x)=5x+3 g(x)= 2-3x (gof)(x) = g(f(x)) = g (5x+3) = 2 - 3(5x+3) .....
The output .....
Folk songs and folk dances are complementary to each other. These two are integrated into one for their relevancy. In the absence of folk songs, folk dances are meaningless. The combination of folk songs, musical instruments and dances give a .....
Here, f(x) = 3x - 1 or, y = 3x - 1 Under the f-1, role of x & y interchanged. So, x = 3y - 1 or, y =(x + 1)/3 = f-1. According to question, (x + 1)/3 = k + 2 [ Please check your question.] Did you mean f(-1) = k + .....
The DCC acts as an executive to the District Assembly. The DCC coordinates with the Provincial Assembly to establish coordination between the Provincial Assembly and rural municipalities. It also coordinates with Provincial Assembly to .....
विषयवस्तु दिइएको छ, आवस्यकता अनुसार मिलाएर लेख्नुहोला । स्वामी विवेकानन्दले भनेका छन्- .....
Here, External radius = R = 35cm Internal radius = r = 14cm Volume of metal in ball = 4/3⨯π(R3 - r3) Now use values of them and find .....
Here, fog(x) = 4x + 3 or, 2g(x) - 7 = 4x + 3 or, 2g(x) = 4x + 11 or, g(x) = (4x + 11)/2 Now find .....
Astrophobia is the fear of thunder and lightning. The picture below will help you make the term .....
Ethers are liquid at room temperature and are typically colorless, with a sweet smell. The most common type of ether is diethyl ether, which is extremely flammable and was one of the first anesthetics used in surgery. Due to its anesthetic .....
Tiger, Lion, Crocodile, Leopard, Wolf, etc are those dangerous animals which can eat .....
Here, LHS = (cose θ + 1) (1 - sin θ ) = ( 1/sinθ + 1) (1 - sin θ ) = (1 + sinθ) / sinθ .( 1 - sinθ) = ( 1 - sin2θ)/sinθ .....
Here, LHS = (1 + cosecθ ) (secθ - tan θ ) Changing cosec, sec & tan into sin & cos, we get = (1 + 1/sinθ ) (1/cosθ -sinθ/cos θ ) = ( 1 .....
b.My sister said to me , " i will come to meet you tomorrow".(indirect speech Ans. My sister told me that she will meet me the next .....
We use how often or ever to ask questions about the frequency of an event. When you use this construction, you are asking about how frequently something happens. How often comes at the beginning of the clause. Study the example below. - .....
1. Construct a rectangle ABCD whose adjacent sides are 11 cm and. 8.5 cm. 2. Construct a rectangle, each of whose diagonals measures 5.8 cm. 3. Construct a rectangle PQRS in which QR = 3.6 cm and diagonal PR = 6 cm. Measure the other side of .....
1.Construct a square, each of whose sides measures 6.4 cm. 2. Construct a square, each of whose diagonals measures 5.8 .....
1. Construct a triangle ABC in which BC = 6 cm, CA = 5 cm and AB = 4 cm. 2. Construct a triangle PQR in which PQ = 5.8 cm, QR = 6.5 cm, PR = 4.5 cm. 3. Construct a triangle LMN in which LM = LN = 5.5 cm, MN = 7 cm. 4. Construct a triangle STU in .....
1.The size of the obtuse angle of a rhombus is twice the size of its acute angle. The side length of the rhombus is equal to 10 cm . Find its area. 2.The lengths of the diagonals of a rhombus are 20 and 48 meters. Find the perimeter of the .....
This compound is prop-1-ene (IUPAC Name) or simply propene or methyl etylene (common names), 3 carbon atom chain with double bond (-ene) on first carbon atom.
Molecular Formula: C3H6 Propene is an unsaturated .....
a) Ethylene b)
Ethene reacts with hydrogen in the presence of a finely divided nickel catalyst at a temperature of about 150°C. Ethane is .....
Given, Sides of the triangle, a = 13 cm , b = 21 cm , c = x LSA of the triangular prism = 2700 cm2 Perimeter of the base = 54 cm Then, Perimeter of the base = a + b + c 54 = 13 + 21 + x 54 = 34 + x x = 20 cm Then, Semi-perimeter of the base .....
How many stars are .....
Dhading, Nepal 5th October 2018 Dear Parents, Our school has published a notice regarding an educational trip which is going to take place from the 10th of October to the 15th of October. All of my classmates are going on trips along with .....
There are mainly three different organs of the state. They are Legislature, Executive and Judiciary. These organs play the vital role for the smooth running of a nation. Except for these three organs of state, there are other supportive organs .....
Given, Area of the base of triangular prism = 24 cm2 Perimeter of the base of the triangualr prism = 24 cm TSA of the prism = 408 cm2 Using formula, TSA of the prism = LSA + 2 ∗ area of the base of the triangular prism 408 = LSA + .....
Given, Radius of the cylinder ( r ) = 35 cm Height of the cylinder ( h ) = 70 cm Height of the water ( h1 ) = 20 cm Volume of the cylinder = πr2h = π ∗ ( 35 )2 ∗ 70 = 85750 π cm3 Volume of the .....
Given, Radius of the spherical ball = 3 cm Volume of the spherical ball = ( 4 ∕ 3 ) πr3 = ( 4 ∕ 3 ) ∗ π ∗ 33 = 36 π cm3 1st ball, Radius = 1.5 cm Volume = ( 4 ∕ 3 .....
Here, Diameter of the sphere = 12 cm Radius of the sphere = 12 ∕ 2 = 6 cm Volume of the sphere = ( 4 ∕ 3 )πr3 = ( 4 ∕ 3 ) ∗ π ∗ 63 = 288π cm3 To make lead balls each of radius 1 cm. Radius ( r ) = 1 .....
The moral responsibilities of a person are as follows: - To obey parents to have a sense of responsibility - To imitate good behaviour and to protest against wrong behaviour - To respect senior people, show hospitality and take care of them - To .....
North America, the third-largest continent, extends from the tiny Aleutian Islands in the northwest to the Isthmus of Panama in the south. The Appalachian mountains lie in the east part of North .....
We are social being. We work together for our mutual benefits. We learn different things in our society. If then you as a student have certain responsibilities towards your society. They are mentioned in the points below: - To follow the law .....