Students and Teachers Forum
An informal letter is a letter that is written in a personal fashion. You can write them to relatives or friends. You may also write such letter to anyone with whom you have a non-professional relationship. There are different ways to carry out .....
Here, f is an identity function. So, f(x) = x Now, gof(x) = g(f(x)) = g(x) Hence, gof(x) = g(x) = {(1, 3), (2, 4), (3, .....
Other reasons for adopting the mixed election system are: to address the voices and the demands of the diverse people living across the diverse land, to integrate the minorities and marginalised groups into the main-stream, to make the .....
Christiano Ronaldo was born on 5th February .....
Here, One litre of milk cost is Rs. 36 (1/36) litre of milk cost is Rs. 1 (1/36) ⨉ 4464 = 124 litre of milk can be purchased for Rs. .....
6378 - Six thousand three hundred and seventy-eight. 674 - Six hundred and seventy-four. 5677 - Five thousand six hundred and .....
When a danger is encountered, our brain just sends signals to our entire body warning us that we need to leave the life-threatening situation. The hormones then create adrenaline that will keep us awake and alive while we are fighting or .....
In the first picture, small kids are collecting waste materials. In the second picture, the two girls are helping a disabled person. These are some of the examples of good deeds. The other good deeds are: - helping the poor - respects the .....
If you multiply 3x with x, you will get 3x2. Because constant multiply constant number(for example: 2, 3,4) only and variable number (for example: x,y,a,b,) will always multiply variable .....
कलाका विभिन्न विधाहरूमा बौद्ध कलालाई पनि एउटा अलग्गै विधा मान्न सकिन्छ । बौद्धकला .....
ऊ सुत्यो भने उसलाई निद्रा लाग्दैन .....
When ethene and hydrogen gas reacts they will produce .....
Use the formula Distance between ab = √(x2 - x1)2 + (y2 - y1)2 Distance between pq = √(x2 - x1)2 + (y2 - .....
According to the question, y - 3 = 8 or, y = 8 + 3 or, y = .....
But some united groups were formed to fight against the barbaric Panchayat system. The anti-panchayat coalitions were formed. The anti-panchayat coalition led by Durgananda Jha is one .....
The age of moon is 4.51 billion .....
According to the facts developed by science earth is nowhere near of end. Due to the destruction of nature, it is true that, environment is becoming hostile to living organisms. But even when life end from earth, earth will be there. Earth will .....
Filtration is a process of separation of mixture. It is a process of separating liquid with solid substance. For this process a medium such as filter paper or cloth, from which solid substances cannot pass, is used. Solid substance is blocked by .....
There is no fix and specific phylum for parasitic animals. For examle , tapeworm belongs to platyhelminthes whereas hook worl belongs to .....
Self improvement is a skill of converting oneself into better person. We may improve ourself by: following social norms, rule and regulations, helping the other members of the community, participating in the various developmental activities of .....
In science we measure heaviness and lightness in terms of density. If you take two same size of ball but one heavier then other, the heavier object will have more density. Objects with more density sink in water. Generally object of metals sink .....
The climate of Asia is quite suitable for human settlement. This continent is suitable for economic activities such as agriculture, industry, trade etc. The development of infrastructures is sound. Hence, the countries mentioned above are densely .....
The computer during the period 1971 to present age are regarded as Fourth Generation computers. All modern computers we use today are fourth generation computers. The major development that took place in the fourth generation of the computer .....
(क) सीता राम्रो चित्र बनाउँदै छे । (ख) ऊ ताम्रपत्रमा चित्र कोर्थ्यो । (ग) सन्तमान धेरै पौवाचित्र .....
The constitution of Nepal 2072 divided Nepal into seven different provinces. However, the provinces have not been named. While naming the provinces the following things may be considered: historical, religious and cultural features, physical .....
Metric system is a system of measurement. In this system of measurement, we use prefix such as kilo, deca , milli for bigger or smaller values. For .....
Let the people who say HIV is transferred by unprotected sex be n(S). Let the people who say HIV is transferred by infected syringes be n(I). Let the people who say HIV is transferred by infected father and mother be n(F). Given, n(S)= 110 .....
Use the formula, n(X⋃Y⋃Z) = n(X) + n(Y) + n(Z) - n(X⋂Y) - n(Y⋂Z) - n(Z⋂X) + n(X⋂Y⋂Z) n(X⋃Y⋃Z)' = n(U) .....
Use the formula, n(P⋂Q⋂R) = n(P⋃Q⋃R) - n(P) - n(Q) - n(R) + n(P⋂Q) + n(Q⋂R) + .....
Let the people who like to listen radio be n(R) and the people who like to watch T.V. be n(T). Let the total number of people be x. By question, n(T) = 90% of x n(R) = 30% of x n(R)⊂n(T) Hence R is the sub set of T. n(T⋃R) = n(T) + n(R) - .....
Total number of students = no of students failed in math + number of students pass in math =80 + 70 = 150 now n ( U ) = 150 students failed in math n ( M ) = 70 students failed in science n ( S ) =90 students failed on both subject n ( .....
Let the students who like mathematics be n(M) and the students who like economics be n(E). n(U) = 35 n(M)= 17 n˳(M) = 200/7 % of 35 = 10 n(M⋃E)' = 0 n(M⋃E) = n(U) = 35 We know, n(M) = n˳(M) + .....
Let people who like strawberry and people who like raspberry be n(S) and n(R). Given, n(U)=175 n(S)=90 n˳(S)=40% of n(U) = 70 n(S⋃R)' = 0 n(S⋃R) = n(U)=175 n(S⋂R) = n(S) - n˳(S) = 90 .....
Here, Total % of viewers = 100% % of viewers dislike news = n(N') = 48% So, % of viewers like news = n(N) = n(U) - n(N') = 100 - 48 = 52% % of viewers like news but dislike telifilm = n(No) = 22% So, % of viewere like both = .....
Let n(D) be number of students who wants to be doctor. Let n(S) be number of students who watns to be social worker. Then, n(U)=65 n(D)=40 n(S)=20 n˳(D):n˳(S)=3:1 = 3x:x n(D) = n˳(D) + n(D⋂S) 40 = 3x + n(D⋂S) n(D⋂S) = .....
Area of annular circle will be = area of bigger circle - area of smaller circle. = Π ( 242 - 4 2 ) now simplify and get your required .....
a) 4Fe + 3O2 → 2Fe2O3 b) 2KClO3 → 2KCl + 3O2 c) NaCl + AgNO3 → NaNO3 + AgCl d) 2NH4Cl + Ca(OH)2 → CaCl2 + 2NH3 + 2H2O e) 2 NaOH + H2SO4 → .....