Students and Teachers Forum

The executive, legislative and judiciary are the three organs of the state. However, a state can not function properly only in the presence of the above-mentioned organs. So,  the constitution has special provisions that allow the .....

Alkali is a basic hydroxide or ionic salt which is soluble in water. All bases are not alkali. They turn red litmus paper to blue having a pH value greater than .....

Here, Taking, x2p/(x2p + xm-q + xm-r) = x2p/{x2p(1 + xm-q - 2p + xm-r - 2p)} = 1/(1 + xp+r -2p + xp + q - 2p)      [ Since, p + q + r = m.] = 1/(1 + xr - p + xq - p) = 1/( 1 + xr/xp + xq/xp) = xp/ .....

Here,  2x/(2x + 3y) + 3y/(2x - 3y) - 18y2/(4x2 - 9y2) =  {2x(2x - 3y) + 3y(2x + 3y)}/{(2x + 3y)(2x - 3y)} - 18y2/(4x2 - 9y2). = {4x2 - 6xy + 6xy + 9y2}/{(2x)2 - (3y)2} - 18y2/(4x2 - 9y2). = (4x2 + .....

Given: AB is the diameter of the circle & ∡OQB = ∡APO. To prove: PO is perpendicular to the diameter of AB. Proof:   Statements .....

1 a) 9/10 = 0.9  9/100 = 0.09 6/1000 = 0.006 b) 37/10 = 3.7 37/100 = 0.37 37/1000 = 0.037  and so .....

The goal of sustainable development is to meet the needs of today, without compromising the needs of tomorrow. This means we cannot continue using current levels of resources as this will not leave enough for future generations. Stabilizing and .....

नेपाली किसानहरु आत्मनिर्भर, श्रमजीवी हुन्, उनीहरु बिहान, साँझ, हिउँद, वर्षा आदि .....

The government of Nepal has declared, visit Nepal year, aiming to bring as many as 2 million tourists across the world. So, being a Nepali citizen ordinary people can a major role in making the event a grand success. Some of the roles ordinary .....

Friendly nations are those nations which stand by each other sides in the time of need in national or in international fields. They are generally those nations who have a good diplomatic, political, trade and commerce links. Nepal has maintained .....

Here,  No.of students passed in first  and 2nd division = 680 - (34 + 116) = 530. Let x be the common ratio. Then, first division = 3x & 2nd division = 5x. So,    3x + 5x = 530 or, 8x = 530  or, x = .....

We have given, 3x + 2y = 6. To find x-intercept putting y = 0,      3x + 2⨯ 0 = 6 or, 3x = 6  or, x = 6/3 or, x = 2. Thus x-intercept .....

1. ∡ADB = ∡DAC 1. ∡s made by equal chords AB & CD. 2. ∡BCD = ∡BAC 2. ∡s on same arc BC. 3. ∡ADC = ∡BAD 3. Adding 1 & 2 and the whole part .....

आङ सान सुकीले राजनीतिमा प्रवेश गरेको घोषणा सन्  १९८८ अगस्त ८ मा गरिन् । सैनिक .....

Graph of cubic function is not important and out of the .....

Let first part be x and second part is y. Then, third part is (9350 - (x + y)). According to the question, x/2 = y/3 = {9350 - x - y}/6. Taking 1st and last proportion,       x/2 = (9350 - x - y)/6 or,  y = 9350 - 4x .....

Let the income of A is x, then the income of B is x/2 and C is x/3. Total income = Rs.11000. or, x + x/2 + x/3 = 11000 or, (6x + 3x + 2x)/6 = 11000 or, x = 11000 ⨯ 6 / 11        = 6000. Thus, Income of A = x =  .....

Here, LHS = sin2θ cosθ - cos2θ sinθ  = sin(2θ - θ)        [ Since, sinA cosB - cosA sinB = sin(A - B).] = sinθ = .....

No. It does not show the refraction phenomenon. Since a single color of light has only one wavelength and hence no refraction is .....

A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, and other geologic processes. Man-made(anthropogenic)disasters .....

We used to blame climate change as a reason for all the natural disasters. However, it seems that humanity conceives disasters. So what human activities can have an impact on natural disasters. -  There were cases when irresponsible mining .....

Here, A man spends in two months as much as he earns in one month. i.e; half of his income is saved.  If his annual income is Rs. 10000, he save Rs.10000/2 = .....

Here, Sec5A = cosec7A or, sec5A = sec(90o - 7A) or, 5A = 90o - 7A or, 12A = 90o or, A = 90/12 or, A = .....

Please check this question once. We got confused on 5 cubic .....

Here, scale factor is 2 in centre is (0, 0). So, coordinate of A is A'/2 = (8/2, -2/2) = (4, -1) Similarly B = (3, 1) & C = (8, -3) Now plot ABC & A'B'C' in .....

An enlargement is a type of transformation that involves making a shape larger. The shape will be enlarged by a scale factor.  Properties of Enlargement - Each side of the object is scaled .....

Here, T1 = Vector AB = Vector OB - Vector OA = (-3, 9) - (1, 8) = (-4, 1). T2 = (-3, -2). Now,  A(1, 8)------T1(-4, 1)----------------> A'(1 - 4, 8 + 1) = A'(-3, 9). B(-3, 9)------T1(-4, 1)----------------> .....

Here, T1 = (1, -2). T2 = (-2, 3). Now,  A(-4, 6)------T1(1, -2)----------------> A'(- 4 + 1, 6 - 2) = A'(-3, 4). B(3, -2)------T1(-2, 3)----------------> B'(3 - 2, -2 + 3) = B'(1, 1). Similarly, find .....

For x = 1 line, P(x, y)-------------->P'(2.1 - x, y) = P'(2 - x, y) For liine x = 3, P'(2 - x, y)----------->P"(2.3 - (2 - x), y) = P"(4 + x, y) Again for T = (-2, 0) P(x, y)----------->P'(x - 2, y) Here, the .....

A translation is a transformation that moves every point in a figure the same distance in the same direction. For example, this transformation moves the parallelogram to the right 5 units and up 3 units. It is written .....

Trade diversification may be defined as a process of producing a multiple range of items and importing and/or exporting them to many nations. It is also the process of searching for new markets for buying and/or selling products. It is not limited .....

Trade promotion and marketing are inter-related for the better selling of the products that are produced. Trade promotion is the marketing effort made for the better sales of the products in the market. Some of the importance of trade promotion .....

Gold does not react with other elements or compounds easily. Other metals forms oxide, sulphate, halides or other salts easily and the salts are pretty stable. Gold is stable as it is. Hence you get Gold in its native state on .....

Here, Translation vector p = (5, 2) - (2, 1) = (5-2, 2-1) = (3, 1). So, after translation by vector p, A(1, 6)---------------->A'(1 + 3, 6 + 1) = A'(4, 7) B(-1, 3)---------------->B'(-1 + 3, 3 + 1) = B'(2, 4) & C(2, .....

Sustainable development is an approach to development that meets the needs of the present generation without compromising the ability of future generation. It is socio-economic development. This socio-economic development meets the needs of the .....

The exposure of iron (or an alloy of iron) to oxygen in the presence of moisture leads to the formation of rust. This reaction is not instantaneous, it generally proceeds over a considerably large time frame. The oxygen atoms bond with iron atoms, .....

Dear student your question, according to the syllabus for your grade must be about carbon dioxide reacting with lime water instead of ammonia. Eventhough the reaction for your question goes like .....

यसलाई अध्ययन गरी निबन्ध लेख्ने सीपको विकास गर्नुहोस् है .....

Here, Height of pyramid = Total height - height of prism = 19 - 9 = 10cm Volume of the solid = Volume of Prism + Volume of Pyramid                    .....

Born in 1937 in Darjeeling, Bishnu Kumari Waiba is best known by her pen name "Parijat". She was the first woman to open up the voice of Nepalese women to the outer world. She was highly influenced by the Nepali literature during her .....

Here, For reflection in x-axis: P(x, y)---------->P'(x, -y) For reflection in y-axis: P'(x,- y)---------->P''(-x, -y) For rotation 180o P(x, y)---------->P''(-x, -y) From this, we see that there is no .....

You must try it in the same .....

You must try it in the same .....

Here, the rotations are negative quarter-turn(-90o) and 180o. So, combine rotation is - 90 + 180 = 90o about the origin. P(x, y)-----rot,90o----> P'(-y, x) P(-4, 6)----------------->P'(-6, -4) Q(-1, .....

You must try it in the same .....

For x-axis P(x, y)------------->P'(x, -y) A(-2, 1)------------>P'(-2, -1) Similarly, find B' & C'. For y - x = 0 (y= x ), P(x, y)------------->P'(y, x) A'(-2, -1)--------->A"(-1, -2) Similarly, .....

This is .....

When appliances are connected in a parallel arrangement, each of them can be put on and off independently. This is a feature that is essential in a house's wiring. Also, if the appliances were wired in series, the potential difference across .....