Students and Teachers Forum
Human migration is the movement of people from one place to another with the intentions of settling, permanently or temporarily in a new location. The net migration rate for a given period of time is the difference between how many people come from .....
People migrate for a number of reasons. The reasons and causes for migration would normally fall under these areas: Environmental – Better climate, calamities, and natural disasters are examples of environmental causes or reasons Economic .....
June 21 is the longest and December 21 is the shortest day in the Northern Hemisphere. We know that our earth is not a perfect sphere in shape. It does not revolve around the sun in a perfect circle. Also, the magnetic north and the geographic .....
Development is an ongoing process of improvement. It is the tendency of humans to seek the ways to improve and make the life comfortable. There are not exact things that develop a community. Humans utilise whatever resource available for .....
The persons who have made a great contribution to international peace, understanding, discovery or development are called international personalities. These people have made a great effort and worked having no interest for the betterment of the .....
Names of Animals and plants | Advantages | Need of conservation |
Cow Cow gives us milk. Hen Hen gives us egg. Goat Goat gives us meat and milk Like this you can do .....
Biodiversity is the pillar that allows ecosystems to function and humans to thrive. Without biodiversity in an ecosystem, we would not have the many plants and animals we find in our world today, including us. Biodiversity is the biological .....
26th Oct, 2018 Thapathali, Jit Jung Marg Kathmandu, Nepal Dear friend, Social problems are the curse of a country. When social evils and problems are deeply rooted in society, such problems delay the progression of civilization. Further, disorder .....
LHS 1-sin2θ1+sin2θ×1+sin2θ1+sin2θ = 1-sin22θ(1+sin2θ)2 [ 1 - sin2A = cos2A] = cos2θ1 + sin2θ = .....
HIV stands for human immunodeficiency virus. AIDS stands for acquired immunodeficiency syndrome. HIV is actually the virus that causes the disease AIDS. People who are HIV positive have been tested and found to have signs of the .....
Health is a state of complete physical, mental and social well-being. It is the absence of diseases. Health is regarded as the precious wealth of humans. This means a sound mind in a sound body is what brings perfection in a person's .....
In general a constitution is the charter of a government. It sets form of government, the general organization of the government, the basic national law of the land, the legal authorities of the various departments, the limits on the government, .....
Constitution may be defined as the charter of a government that sets the form of government. It identifies the general organization of the government, the basic national law of the land, the legal authorities of the various departments, the .....
Here, Given, ∡BAC = ∡BCA To prove: AB = BC Construction: Draw BD perpendicular to AC. Take two tiangles ABD & BCD. Show them congurren by AAS axiom. Then you can write AB = BC, as corresponding sides of congurrent triangles .....
Area of field along with path = area of field + area of path or, (l + 4)2 = l2 + 144 or, l2 + 8l + 16 = l2 + 144 or, 8l = 128 or, l = 16 m So, the area of square field = l2 .....
Let, f(x) = x3 - bx2 - 2x + b + 5 If (x - b) is a factor of x3 - bx2 - 2x + b + 5, then for x = b f(b) = 0 or, b3 - b3 - 2b + b + 5 = 0 or, -b + 5 = 0 or, b = 5 This is our required .....
A ray only conveys the direction of light. It says nothing about what kind of beam the light is. Usually rays imply in infinitely large plane .....
प्रश्नले भनेको कुरा प्रष्ट भएन त साथी .....
Marked price of a watch = Rs. 6000 Discount percent = 10% We know, selling price = marked price - discount percent of marked price = 6000 - 10% of .....
Regional geography is the study of world regions. Attention is paid to distinctive characteristics of a specific region like natural components, human components and regionalization that covers the techniques of delineating area into .....
The geography is the study of the physical features of the earth. It includes study of regional formations and their relation to humans. Some of its advantages are: It helps to understand the geography of past times and how geography has .....
Geography is the study of Earth's landscapes, peoples, places and environments. It is the study of direct relationship between the earth, man and the environment. Geography takes on almost everything that concerns our world. For example, it .....
Here, Heera bought 3000 books. Let the cost price of the books be x. He gave 300 books to a school free of cost, so he sold 2700 books. Selling price of a book = Rs. 66 Selling price of 2700 books = Rs. 66 × 2700 .....
Given : Mean = 25 Frequency (N) = 55 + a ∑ fm = 1345 + 26a You may know, For continuous series Mean = ∑ fm / N or, 25 = (1345 + 26a) / (55 + a) Now, do the cross multiplication and .....
According to question, AB = 8 cm BC = 6 cm Area of ΔABC =12 cm2 For the ΔABC, Area = (1/2)⨉AB⨉BC⨉sinB or,12 = (1/2)⨉8⨉6⨉sinB or, sinB = 1/2 or, B = 30⁰ Thus the required angle ∡ABC is .....
Here, ∡ADE + ∡ADC = 180o [ Linear pair.] or, 75o + ∡ADC = 180o Find ∡ADC . Again, ∡ADC + ∡ABC = 180o [ Opposite angles of cyclic qd.] Calculate .....
Let two numbers be x & y. From the first condition, x + y = 128 ⟹ x = 128 - y .........................(i) From the first case, x - y = 16 .....
Here, First expression = p2 + 2pq + q2 = (p + q)2 Second expression = pq2 + p2q = pq( p + q) LCM = pq( p + .....
Here, √125 - √45 + √5 = 5√5 - 3√5 + √5 = .....
Here, Frist expression = x3 - xy2 = x(x2 - y2) = x( x+ y)(x - y) Second expression = x - y HCF = common factors = (x - .....
Here, CSA of tent = πrl = 22/7 ⨯ 7m ⨯ 10m = ...............Find it. Rate = Rs.300/m2. Total cost = CSA ⨯ Rate =............Find .....
Given Radius of small iron sphere = x cm Radius of large iron sphere = y cm You may know, Volume of a sphere = (4/3) π r3 Now, According to .....
Here, Volume of tank = 1500 liter = 1500/1000 m3 = 1.5m3 Height = h = 1m We know, Volume = Area of base x height or, Area of base = volume / height = .....
Here, Original price = P = Rs.400000 Deprecoation rate = R = 10% Time = T = 2 yrs.\\ Price after 2 years = PT = P( 1 - R/100)T = 400000( 1 - 10/100)2 =........... Try to calculate .....
Here, Price with 13% VAT = 2700 + 13% of 2700 = 2700 + 13/100 x 2700 = 3051. Now, 3060 - 3051 = 9. Which is requird .....
Here, x = 1/2 of 60o [ Since, inscribed angle is half of central angle on same arc BC.] = .....
X | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 | 60 - 70 |
C.F | 16 | 36 | 61 | 77 | 80 |
Here, N = 80 Position of median = N/ 2 = 80/2 = 40th item From the cf table, Position of median is 40 - .....
Area of equaliteral triangle if length of side is a, Area .....
In this case, formula is Rate of discount = Discount amount/ MP ⨯ .....
A periscope works by using two mirrors to bounce light from one place to another. A typical periscope uses two mirrors at 45-degree angles to the direction one desires to see. The light bounces from one to the other and then out .....
Mendel is the father of .....
The climate of any particular place is influenced by a host of interacting factors. These include: Location or distance from the equator Distance from the sea Places Altitude Prevailing .....
Marks | 10 – 20 | 20 – 30 | 30 – 40 | 40 – 50 | 50 – 60 | 60 – 70 | 70 – 80 |
Number of students |
4 | 5 | m | 8 | 7 | 6 | 6 |
Can you complete it .....
You know the fact that raw materials for cottage and small scale agro-based industries are available in good quantity here. Most of the cottage and small scale industries in our country get raw materials from agricultural fields. Some of the .....
The following are the suggestions for creating favorable situation of trade in Nepal: - Need to ensure political stability through implementing constitution. - Need to have strong contract with the transit country for better trade. - Private and .....
Here, LHS = (sinA + cosA)2- (sinA - cosA)2 Breaking whole square, we get = Sin2A + 2sinA cosA + cos2A - sin2A + 2sinA cosA - cos2A Simplify and get .....
Because an ionic bond is easier to break than a covalent bond. Similar to how laundry that is staticy can attract a dryer sheet, if electricity goes through an ionic solution it drags the positive ions with it. Covalent bonds are actual shared .....