Students and Teachers Forum

Here,  ∡EBC = 60° Construct a line joining A and B as shown below. ∡ABC = 90°                        [angle formed on the circumference of a semicircle.] ∡ABE + .....

A dialogue between Rama and Geeta about the main events and achievement of 2nd mass movement. .....

But throughout the political history of nation, Nepalese had to struggle for democracy and rights; first against Ranas then against the panchayati system and finally against dictatorial regime of king Gyanendra. So, to .....

a)  KClO3→KCl+O2 b)Mg + CO  → MgO + C c) Ca(HCO3)2 → CaCO3 + CO2 + .....

Perennial plants stay alive for two or more seasons. Lifespans range from a few years, way up into the thousands of years. The world's oldest living organism is a 5065 year old bristelcone pine tree.  Not all perennial plants can survive .....

Here,  LHS = 1 + cosy - 2cos2ysin2y = (1 - cos2y) + cosy - cos2ysin2y                 [Since, 2cos2y = - cos2y - cos2y] = sin2y + cosy (1 - cosy)sin2y            .....

The present constitution of Nepal was promulgated on 3rd Ashwin 2072 BS. It was drafted by Constitution Assembly II. The present constitution of Nepal is a special constitution because; - It was formulated after long discussion and maximum .....

Here,  2(x - 2)(x - 3) - 2(x - 1)(x - 3) + 2(x - 1)(x - 2)  Taking LCM = (x - 1)(x - 2)(x - 3), we get = 2(x - 1) - 2(x - 2) + 2(x - 3)(x - 1)(x - 2)(x - 3)  Now, open the brackets of numerators, we get = 2x - 2 - 2x + 4 + 2x - .....

Pleasse post the correct .....

Cu(OH)2 + 2HC2H3O2 → Cu(C2H3O2)2 + .....

The first census in Nepal was taken in 1968 BS. The total population of Nepal according to the census 1968 BS was .....

Mother India is the first hindi movie to go to the oscar .....

To find te probability, we need to find the probability of getting numbers which are divisible  of  5  or 7. Here, total no.of cards =  30 - 1 + 1 = 30 [ or you can simply count them] no.of cards which are divisible by 5 .....

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Let the number be 10x+y, then, By question, x2 + y2 = 17 ------------------- [ I ] Again, 10x + y -27 = 10y + x 10x - x + y - 10y - 27 = 0 9x - 9y = 27 9( x - y ) = 27 x - y = 3 x = y + 3 ----------------- [ II ] Placing the value of .....

To find S.D, you must make .....

Here,  Table for calculation of missing .....

Sodium is a highly reactive alkali metal. That means it has a single electron in its outer shell which is readily lost in reactions, resulting in a much more stable, complete outer electron shell. When sodium comes in contact with water, hydrogen .....

Did youm mean △APR ≅ △BPQ? Or they are equal in area only? Please make .....

The function of mercury barometer are: 1. The density of mercury (=13.6×10 to power 3 kg /m) is greater than that of any other liquid so only 0.76m height of mercury column is needed to balance the normal atmospheric pressure. Use of other .....

Pascal's law states that "the pressure exerted on a liquid enclosed in a vessel is spread equally by the liquid in all the directions". Hydraulic press is a device based on Pascal's law. Hydraulic brake is another .....

I am assuming the dice is 6 sided. Hence the sample space has 6 possible outcomes- S={1,2,3,4,5,6}. Let all outcomes are equally likely(fair dice). Hence Probability of any one outcome occurring= 1/6. The event that we get that an odd number on .....

Here, 90 + x + 20 + 4x = 360 [ Angles in complete turn ] 90 + 20 + x + 4x = 360 110 + 5x = 360 5x = 360 - 110 5x = 250 x = 250 / 5 x = .....

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Here,      9a - 10×3a + 9 = 0. or, (3a)2  - 10×3a + 9 = 0. Let 3a = x, we get or, x2 - 10x + 9 = 0 or, x2 - 9x - x + 9 = 0 or, x(x - 9) - 1( x - 9) =0 or, (x - 9)(x - 1) = .....

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Here,  In right angled triangle ABC, using Pythagoras theorem, we get AC = √(AB2 + BC2)   = √(152 + 52) = 16.583cm Now ,  Perimeter of the base = AB + BC + AC = 36.583cm We know, TSA of prism .....

Here,  In right angled triangle ABC, using Pythagoras theorem, we get AC = √(AB2 + BC2)   = √(152 + 52) = 16.583cm Now ,  Perimeter of the base = AB + BC + AC = 36.583cm We know, TSA of prism .....

जुवा र तासले मानवको जीवन नै समाप्त भएका घटना धेरै छन् .....

Please mention the question .....

कम्प्युटर र इन्टरनेट
विश्व अहिले कम्प्युटर युगबाट .....

टेलिभिजन (प्रबन्ध वा निबन्ध))
विज्ञानले मानिसलाई .....

Here,  t1 = -3/5 = (-1)1 ( 1 + 2)/(1 + 4) t2 = 4/6 = (-1)2 (2 + 2)/(2 + 4) t3 = -5/7 = (-1)3 ( 3 + 2)/(3 + 4) Replace 3 = n we get tn = (-1)n (n + 2)/(n + 4), which is general .....

The issue regarding women’s rights is not a new one. In the past, there were distinctive differences between men and women, between their roles in society and their models of behaviour. However, considerable .....

Here,   t2 = 1 - 2 = 13 - 2 x 1 t2 = 8 - 4 = 23 - 2 x 2 t3 = 27 - 6 = 33 - 2 x 3  t4 = 64 - 8 = 43 - 2 x 4 ............................. Replace 4 = n, we get tn = n3 - 2n, which is .....

Let MP be x. Then, using formula, After 10% discount, Discount amount = Discount % of MP = 10% of x = ( 10/100 ) ∗ x = 0.1x SP = MP - Discount amount = x - 0.1x = 0.9x Again after 10% disount on the reduced price, Discount amount = .....

Total number of cards n(S) = 52 Total number of red queen n(R) = 2 Total number of black cards n(B) = 26 Here, Probability of card being red queen P(R) =  n(R) / n(S) = 2 / 52 = 1 / 26 Again, Probability of card being black card P(B) = n(B) / .....

We know,  Thus, It is difficult to lift a large stone on the surface of the earth but easy to lift small one. Given, mass of the earth (M) = 6 x 1024 kg radius of the earth (R) = 6400 km = 6.4 x 106 m height (h) = 19200 km = .....

Whenever the magnetic flux is linked top a closed circuit changes, and e.m.f is induced in the circuit which is called induced e.m.f. This phenomenon is called electromagnetic induction. The motor effect is the effect whereby a wire or coil with a .....

a) When  calcium hydroxide is treated with phenopthalelin , phenopthalein changes in pink solutrion because Calcium hydroxide is a base. b)  Ammonium chloride reacts with calcium hydroxide to form ammonia.        .....

To convert fraction into percentage we must multiply the fraction by 100. = (16 / 40 ) ∗ 100 % = 0.4 ∗ 100 % = 40 .....

0.9 = 0.9 x 100% = .....

b) Lack of the dignity of labour: There is no dignity of labour in the Nepalese job market. People are paid less and they don't find any job security in the country. Thus, people are compelled to go for foreign employment. c) Access to better .....

Foreign employment refers to going from one country to another country for a job and to earn money is called foreign employment. People around the world leave their country for doing jobs suitable for them in today's world. It has both .....

Here,     1/(a²-3a+2) +1/(a²-5a +6) + 2/(a²-8a+15) Now factorize the denominator by splliting mid term, = 1/(a²- 2a - a + 2) +1/(a²- 3a - 2a  +6) + 2/(a²- 5a - 3a +15) = 1/(a - 2)(a - .....

A short note on sedentary lifestyle is presented below: A sedentary lifestyle is defined as a type of lifestyle where an individual does not receive regular amounts of physical activity. It is a type of lifestyle .....

Let the present age of two brothers be "x" and "y". By question, x - y = 6  x = y + 6 ---------------- [ I ] Again, (x + 2)(y + 2) = 280 [ After two years ] Placing the value of "x" from equation [ I ], we .....

Here,  3x + 2 + 32 - x = 82 or, 3x × 32 + 32 × 3- x = 82            [ax + y= ax × ay] or, 32(3x + 3-x) = 82 or, 9(32x + 1)/3x = 82 or, .....

1st case, CP of the computer = Rs 24000 Profit percent  = 20% Using formula, Profit amount = Profit % of CP = 20% of 24000 = ( 20 / 100 ) ∗ 24000 = 0.2 ∗ 24000 = Rs 4800 Again, SP = CP + Profit amount = 24000 + 4800 = .....

Here, if    4x2-4 = 2x - 2 On squaring both sides of the equation, we get or, 4x2 - 4 = (2x - 2)2 or, 4x2 - 4 = 4x2 - 8x + 4                [deducting common terms] or, 8x = .....