The times of Gautama's birth and death are uncertain. But many historians believe that he was born around 480 BCE in Lumbini, .....

There are 8 planets in our solar system. They are : mercury , venus, earth, mars, jupiter, saturn, uranus and Neptune. They all revolve round the sun in their respective fixed path called .....

Solution : f (4x+5) = 12x + 18 f(4x+5) = 3(4x + 5) +3 f (x) = 3x + 3 Let, y = f(x), then, y = 3x + 3 interchanging x and y, we get, x = 3y + 3 y = (x-3)/3 So, F-1 (x) = .....

Answer: A unit is a known amount of quantity used for the purpose of comparison. Furthermore In order to bring the uniformity in the measurement throughout the world, the standard measurement was introduced. The units of measurement followed all .....

Potatoes are the world’s fourth most important food crop.  With 99,065,724 tonnes of annual production, China is the largest producer of .....

Solution : Let a number be 10x + y. First condition : 10x+y = 21 (x - y) 10x+y = 21x - 21y 10x-21x+y+21y = 0 -11x + 22y = 0 x = 2y 2nd condition : 10x+y = 350% of xy or, 10x+y= 350xy/100 or, 20y +y = 700y2 / 100 or, 7y2 - 21y = 0 or, 7y ( y - 3) .....

Liquid pressure depends on  1.height of the liquid (h)  2. density of the liquid (d)      3. acceleration due to gravity (g) i.e. P=h.d.g Thus liquid pressure increases with incresing depth of the liquid and .....

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Here MP = Rs.100 Discount % = 10% So SP = MP - discount % of MP             = 100 - 10 / 100 x 100 =  Rs. 90 VAT % =  13 %  So price after VAT = SP + VAT % of SP        .....

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Let, r be the radius of the circular field. Given,  r = 26 m So, area for field (A1) = πr2  = (22/7) ⨯ (26)2  = 2122.64 m2 Now, let, R be the radius of circular field with path of wide 7 m  So, R = r + 7 = 26 + .....

Terai covers only 17% of the total land area of Nepal, it is called the granary of Nepal. The land is highly fertile and there is enough development of irrigating channels than in another part of Nepal. Rice, Maize, and other cash are produced in .....

It is actually caused by an overactive sympathetic nervous system. The sympathetic nervous system regulates the diameter of blood vessels .....

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क।  साहुको थालमा थोरै भात तथा तरकारी अचारहरुको परिकार देखेर पुन्टे छक्क परेर हेरिरहेको थियो .....

The magnifying power formula of a simple microscope is given as: M = 1 + D / F .....

The Mahispal dynasty ruled Nepal after Gopal dynasty. They had three kings who ruled over Nepal for almost 161 .....

Of course, Nepal is a country where the people from different backgrounds live together. There are nearly 55 ethnic groups and 125 castes are there. And, there are 123 languages that are spoken across the country. The existence of 123 languages .....

It is a fact that the pace of development is not the same everywhere. Any activities that are responsible for positive social change may be interpreted as development. The pace of development depends on certain factors. The factors which are .....

A comet is an icy ball of frozen gas, rock and dust that orbits the sun in an elliptical path. When closer to the sun in orbit, the comet's nucleus releases gasses, which form a coma (the comet's fuzzy, glowing halo) and a tail. So, when a .....

The sources of energy which can be used in replacement of fossil fuels are called alternative sources of energy. In the context of Nepal, fhydropower energy can be used as alternative sources: because Nepal is the second richest country in .....

Sandwiched between the Asian giants Nepal is a country endowed with high potential for renewable energy resources like hydro, solar, wind, biomass, etc. The country has abundant hydroelectric potential. The theoretical hydroelectric potential has .....

Animals need food to survive. The food we eat contains the nutrients that our bodies need to replace worn out cells, stay healthy and stay strong. They get nutrients from eating plants. Bigger animals eat other smaller animals for .....

There are mainly five different types of generation: 1. First generation computer: This is the first generation of computer to start the computer. In this generation, vacuum tubes were used.  The figure below shows the vacuum .....

The Terai region lies from the Chure range in the north to the borders of India in the South. It covers 17% of the total land. The climate is tropical here and the life is more comfortable. The altitude varies from 300 meters to 600 meters above .....

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Solution : 4 3 5 5 5 - 3 3 9 9 9 = 9 5 5 .....

Pastoral society developed around 12000 years ago after hunting and gathering society. Some of feature of pastoral society are: they lived by their animals through breeding and domesticating they lived in a small commuity they moved to other .....

Rate of heart beat increases during excessive exercise because heavy work requires more energy. More energy is provided by pumping more oxygenated blood to the body so to fulfil this, more oxygen needed by their body so breathing .....

Solution : 1 hectometre = 100000 millimetre so, 56 hectometres = 56 * 100000 millimetres = 5600000 .....

A dam is a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water .....

Thomas Edison  invented electric .....

Solution : 3a = 27 or, 3a = 33 comparing the power of equal base so, a = .....

Elements having valance shell filled elements are placed in group 18 of modern periodic table. Since neon has outermost filled electron, so it is placed in group .....

A social problem is any condition or behaviour that has negative consequences for large numbers of people. They are generally recognized as a condition or behaviour that needs to be addressed. They are the behaviour of an individual or community .....

अहिलेको समयमा हुँदै गरेको कामलाई अपूर्ण वर्तमान काल भनिन्छ ।  जस्तैः म काम गर्दै छु ।  ऊ कथा .....

According to a study, Iceland has Cost-of-living index of 123.96. So, Iceland is the most expensive .....

Potatoes are the world’s fourth most important food crop.  With 99,065,724 tonnes of annual production, China is the largest producer of .....

 (Spiny derma ) Echinoderm includes about 6000 living species, such as starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers.

They usually show a superficial five-part radial symmetry, and generally are equipped with .....

Martin Van Buren was the eighth President of the United .....

Here, Volts = Joules / Coulombs Joules = Newton x metre Coulomb = Amp × second  Newton = kg × metre / second2 Now you get, V = J/c     = N.m/A.s     = (kg.m/s2)/A.s     = kg.m.s-3A-1 Thus, kg, .....