Students and Teachers Forum
You cannot see the suger as same in the figure below. Since we cannot distinguish solute and solvent in the sugar solution. So, it is a homogeneous .....
Let heights of cone be 4x & x. [Ratio is 4:1.] Then, V1 / V2 = (1/3πr12 h1 ) /( 1/3πr22 h2 ) or, 49/4 = r12 .4x / r22 .x or, r12 / .....
Abraham Einstein was the grand father of Albert .....
Here, (x + y) / ( x - y) + (x - y) / ( x + y) Taking LCM, we get = [(x + y) ( x + y) + (x - y) ( x - y)]/[(x - y) ( x + y)] = [(x + y)2 + (x - y)2 ]/[(x - y) ( x + y)] .....
Here, f(x + 1) = 2x + 3 Put x = x - 1, we get f(x - 1 + 1) = 2(x - 1) + 3 or, f(x) = 2x - 2 + 3 = 2x + 1 Thus, f(x) = 2x + 1 Put x = 2, you will get .....
I enquired who Amina and Rahul .....
Regarding bribery, he had told that corrupt officials and those who take bribes and give bribes are the number one enemy of the development of the country. He had counseled his people that justice is crippled when bribes are given and when .....
Here, according to question, given 3 points are lies on same st.line. So, Slope of MN = Slope of NP or, (2 + 2) / (1 - 6) = (6 - 2)/(k - 1) [ Slope = (y2 - y1) / (x2 - .....
By the question, Load = 500N Load Distance = 5 cm = 0.05 m Effort = 80N Effort Distance = ? By using formula, or, L ⨉ LD = E ⨉ ED you can solve .....
The general equation of a circle is (x - h)2 + (y - k)2 = r2, where (h, k) are the coordinates of the centre and r is the radius of the circle. Circle passes through three points. The coordinates of the points give the value of x and y .....
Similarly, Kathmandu is such a city which represents the whole nation. People of different cultures, language, religions, ethnic backgrounds, etc. live here. These people conduct different kinds of cultural programs, rites and rituals. They .....
When kerosene is kept instead of water, no hydroxide compound is formed so it doesn’t change the color of .....
Please post complete question. I think you ask this question from Ammonia. If I am correct, answer is: Water enter the flask through the pipe as a fountain because ammonia is highly soluble in .....
Ammonia is a base, and sulfuric acid is well, an acid. When an acid and base react, they form a salt. In the case of ammonia and sulfuric acid, they will react to form ammonium .....
Ammonia has a characteristic sharp, choking smell. It makes damp red litmus paper turn .....
CaCO3 + 2HCl → CaCl2 + H2O + CO2 When CO2 is passed through lime-water, it turns milky due to the formation of an insoluble precipitate of Calcium Carbonate. The CaCO3 precipitate causes the milkiness. If you pass .....
Slaked Lime = Calcium hydroxide / Ca(OH)2 Lime stone = Calcium carbonate / CaCO3 Urea = Urea / .....
Study the following pictorial representation which presents the features of good .....
Front view of shoulder .....
Well, Nepal is rich in heritage. Heritage is the glory and identity of the nation and its people. But, the heritage whether enlisted in the World Heritage Sites or not are degrading day by day. The reasons behind this are as follows: - The .....
Human beings carry out various kinds of developmental works to fulfil their needs. Developmental activities sholud be operated continuously to fulfil the needs and desire of growing population. The development activities like construction of road, .....
Silver is a lustrous white, ductile, malleable metallic element, where as aluminium is a silvery-white, soft, nonmagnetic .....
Copper is a ductile, malleable, reddish-brown metallic element where as gold is a soft, yellow, corrosion-resistant .....
Iron Aluminium 1. Iron is heavier than Aluminium. 1. Aluminium is lighter then iron. 2. Iron is magnetic 2. Aluminium is nonmagnetic 3.Iron has an atomic number of 26 and an atomic weight .....
Here, Population = 120000 Rate of growth = 2.5% Population after 2 years = P ( 1 + R / 100 )T = 120000 ( 1 + 2.5 / 100 )2 = 126075 2875 people died so the population = 126075 - 28750 = 123200 For Present population Time = 1 .....
I believe that you have chosen the least pleasant .....
The greater your input, the more satisfaction you get out of the .....
The view from the Dharahara is by far the .....
Our plans are getting more and more out of our .....
At the moment, he is less neurotic than I have ever seen .....
a. At this moment, he is less neurotic than I have ever seen him. b. Our plans are getting more and more out of our .....
We all live a long way away, but Jim lives the .....
Stratosphere Mesosphere 1. The stratosphere is the second-lowest layer of Earth's atmosphere. 1. The mesosphere is the third highest layer of Earth's atmosphere. 2. This layer extends .....
The patient looked worse yesterday than a week .....
Here, Diameter of the iron sphere (d) = 42 cm So, radius = r = d/2 = 21 cm = 0.21 m Now, volume of the sphere = 4/3πr3 = 4/3 π. 0.213 = 0.04 m3 When iron is dropped into a cylindricla drum, then the surface of .....
The thermosphere is the largest of all the layers. It is within the thermosphere that ultraradiation causes .....
Here, f(x + 1) = 2x + 3 or, f(x + 1) = 2(x + 1) - 2 + 3 [ or, f(x+1) = 2(x + 1) + 1 Keeping x + 1 = x, we get, f(x) = 2x + 1 Now, f(2) = 2.2 + 1 = .....
Here, Percentage of tax exempt = 75% So, Percentage of taxance = 100% - 75% = .....
We have, cosec3x = sec2x or, sec( 90o - 3x) = sec 2x [ Being cosecA = sec(90o - A)] or, 90o - 3x = 2x or,90o = 5x So, x = 90o /5 = .....
Here, The plance fare bought from kathmandu = Rs. 90,000
LHS = cos18o + sin18o = cos( 90o - 72) + sin18o = sin72o + sin18o Using , SinC + SinD = .....
The agriculture sector in Nepal is in subsistence level. It is not able to contribute a lot in the national economy. The reasons behind the low agricultural production are as follows: - The decades of political instability has affected the pace .....
Here,
Given AD is the median of ΔABC and E is the midpoint of AD Through D, draw DG || BF In ΔADG, E is the midpoint of AD and EF || DG By converse of midpoint theorem we have F is .....
We have, LHS = sin1°. Sin2°. Sin45°.Sec88°.Sec89° = cos(90° - 1°) . cos(90° - 2°). sin45°.Sec88°.Sec89° [ sinA = cos (90 - A)] .....
The Himalayan or Mountain region of Nepal lies at the northernmost part of the country. It occupies 15% of the total land in the country. The climate of the Himalayan region is very cold. Due to cold, the life in the Himalayan region is quite .....
7x2 - 5y2 + 7z2 + 4x2 - 4y2 - 6z2 = 7x2 + 4x2 - 5y2 - 4y2 + 7z2 - 6z2 = 11x2 - 9y2 + .....
We have, cos@ -1 = 0 or, cos@ = 1 or, cos@ = cos0∘ So, @ .....
Let, x and y be the two numbers, then, By the question, Sum of two numbers = 16 or, x + y = 16 or, x = 16 - y .....1. Product of two numbers = 165 or, xy = 165 or, (16 - y)y = 165 or, 16y - y2 = 165 or, y2 - 16y + .....
You will get Rs. 400 as .....
तरः दूधको छाली, खोला तर, संयोजक फुलः पुष्प, अण्डा जालः षड्यन्त्र, माछा मार्ने जाली साँचोः सत्य, .....