You know, potential difference (p.d.) across any two points in a circuit is the workdone while carrying a unit charge from one of the points to the other.  That is why, p.d. is the ratio of workdone to the charge .....

You know, urination is one of the ways to excrete water from our body.  We excrete water by sweating also.  During summer season, we sweat more.  While, we sweat less during the winter.  When we sweat more, more amount of .....

You may have learnt that, Compound interest = P [ ( 1 + R / 100)T - 1] In the question,  Compound interest for 2 years = Rs. 5640 .................. equation 1. or, P [ ( 1 + R / 100)2 - 1] = Rs. 5640 Compound interest for .....

To prove this we use the concept of complementary angle. LHS= sin75 x sec 75        =sin75/cos75         = tan75              = tan(90-15)       .....

Please ask this question in English section of this .....

To find Loss or profit % we need to find CP and SP. Let MP be x. Then from frist case, CP=MP-20% of MP  or, 2000=x-20/100 x or, 2000=4x/5 or, x=2500 Again from the second condition, SP= MP-600 or, = 2500-600=1900 Finally, .....

1. Country can get lots of foreign currency as the remittance which can be used to establish industries in the country. Such industries provide job opportunities in the country. 2. People who went overseas to work can learn different skills and .....

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Nepal is regarded as a culturally rich country. Nepal is a multi-cultural, multi-racial, multi-linguistic and multi-ethnic country. Nepal has been a home to diversified settlements in terms of ethnicity, religion, dialect and culture since its .....

And the article is the. So, the answer is  He is the heir to the throne. Here, the is the .....

 आकाश नेपाली शब्द हो ।  आकाशलाई संस्कृत भाषामा  गगन भनिन्छ ।    गगन  ,व्योम , सगर , नभ , .....

 कतिपय अवस्थामा संस्कृतिका नाममा विकृतिले ठाउँ पाइरहेको हुन्छ ।  संस्कृति  मानिसको .....

The mixing of harmful gases, smells,dust dirt etc to the environmental air and and making it polluted is known Air pollution. Air  pollution is one of the growing problem. We can see many factories and industries rapidly growing. The smoke .....

Let me clarify the concept using example. There was a family in Rammechap. They had an earthen stove (Chulo) to cool food. It produced lots of smoke that affected their health. So, they replaced chulo with Gas Stove as a result their health .....

You must read every chapter deeply and every questions are equally impotant. But, some of the possible question from history of the earth are  1. Which era and period did Dinosaurs evolve and become extinct in? 2. What is the evidence that .....

This question is related to surds and difficult question. So you must use some skill and idea. See one method and try  Let a = √x, b = √y. (i)  √x + y = 11  a + b² = 11  a = 11 − .....

There are so many importances of reproduction. Some of them are : 1. To create next generation. Unique property of a particular organism is transferred from one generation to the next generation through genes, which are situated in the .....

First let's learn what is data? Data are the raw and unorganised quantities, characters, or symbols on which operations are performed by a computer. Data may be stored and transmitted in the form of electrical signals and recorded on magnetic, .....

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Cell wall is hard and rigid.  While, the plasma membrane is soft, elastic and .....

We know, Sum of angles of a triangle is 180o. So,A+B+90o=180o or,A+B=90o or,,A=90o-B Now operate by tan tanA=tan(90o-B) or,tanA=cotB or, tanA=1/tanB Now cross multiply and get .....

Meteors last for short time. Whereas meteorites remain for long .....

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Ammonia gas is prepared in manufactured in industry by Haber's proccess. In this process, the mixture of Nitrogen and Hydrogen in the ratio of 1:3 is mixed directly. The reaction is conducted at 5000C temperature and 200 to 600 atmospheric .....

To find the seperate equation we have to factorise. To factorise it we can take common  x  from frist 2 and 2 common from last two expression. i.e; xy-3x+2y-6=0 or, x(y-3)+2(y-3)=0 or, (y-3)(x+2)=0 Now write the saperate equation .....

There are several factors on which reactivity of the elements depend. Some of them are  1. Nuclear charge  2. Atomic size. If the atomic size is large, the valence electrons orbiting the nucleus will be far from the nucleus. This .....

The Nepali version of Economics is soon going to be launched. Curretly we are answering the english version of Economics .....

Adrenaline is not a only released during excitment, it is also released when you feel happy, .....

Heat is the transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object. Such energy transfer can occur in three ways: radiation, conduction, and convection. The .....

Look at the above picture. It is a picture of electric motor. It ia a device which converts electrical energy into mechanical energy. Every motor has a spindle which rotates continously when current is passed through it. Electric motor works .....

Cenozoic Era is the era of human being which is continue now. It was started 6 crore 55 lakh years ago. In this era, evolution of the human being takes place. Breaking and expansion of rocks, volcanic eruptions, etc took place in this .....

The atomic number of an element never changes, meaning that the number of protons in the nucleus of every atom .....

The most fundamental unit of nervous system is called neurons. It is considered as the structural and functional unit of nervous system as it preforms all  the  function of nervous system. It is also called as nerve cells. It consist .....

We know, Sum of angles of a triangle is 180o. So,A+B+90o=180o or,A+B=90o or,,A=90o-B Now operate by tan tanA=tan(90o-B) or,tanA=cotB or, tanA=1/tanB Now cross multiply and get .....

Another example of addition or synthesis . Combination of ammonia and hydrogen chloride to produce ammonium chloride.

Again the compound of ammonia(NH3) and Hydrochloric acid(HCl)  is reacting  to form a compound of ammonium .....

You might have learnt that,  The opposite angles of the parallelogram are equal. Hence, in the given parallelogram,  ∡W = ∡Y  and, ∡X = ∡Z. Since, ∡W = ∡Y or, 2a + 5 = a + 35  From above .....

Future Perfect Continuous This tense is used to express an action which will begin before a definite moment in the future, will continue up to that moment and will be in progress even at that moment. In 2018 I will have been teaching English for 9 .....

 1/32(cos6a-cos2a-2cos4a+2)

let us find the value .....

6. and use the formula of standard .....

You may have learnt that, 1 solar day = 24 hours. There are 60 minutes in an hour and one minute is equal to 60 seconds. So, we can write,  1 solar day = 24 ⨯ 60 ⨯ 60 seconds. Multiply the values and you will get your .....

Let r be the radius, l is slant height and h be the height of cone. So  3CSA=2TSA or, 3πrl=2πr(r+l) or, 3 l= 2r+2l or, l=2r. Now we have relation, l2=h2+r2 Now put l=2r and solve you will get .....

15.  i. There is lack of organized market for agricultural products in Nepal. ii. Agricultural production and marketing both are seasonal in most of the rural parts of the country. iii. SIngle cropping pattern and lack of efficient .....

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अनुच्छेद एक वा दुईमा लेखिएका कुराहरुको विस्तारपूर्ण चर्चा र विश्लेषण गर्ने, तर्कहरु,तिनलाई .....

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A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. Three rare animals are as follow. i) Red .....

When a vehicle goes round a curved road, it requires some centripetal force. While rounding the curve, the wheels of the vehicle have a tendency to leave the curved path and regain the straight line path. As force of friction between wheels .....

Here, one point = ( 1, 2) Since itis an equilateral triangle and one side is parallel to the x- axis, The angle its arm makes with the horizontal is 60o and 120o. From the angle, you can calculate the slope of the lines. Now, you can use .....