A galaxy is a massive, gravitationally bound system that consists of stars, stellar objects (such as brown dwarfs and neutron stars), nebulae, an interstellar medium of gas and dust, black holes, and an unknown component of dark .....

Indices & the Law of Indices

Indices are a useful way of more simply expressing large numbers. They also present us with many useful properties for manipulating them using what are .....

Heart of an adult, bigger heart, pumps more blood at a time and  heart of a child, smaller heart, pumps comparatively less blood at a time. You know, A child needs more nutrition for its proper growth and development. However, less amount .....

You may have learnt that blood cells are produced in bone marrow. Blood cells are also formed in another organ of a body; spleen. Speen also produces blood cells. Cells die after certain time period. The cells are also removed by spleen. So, .....

As mentioned before,  blood also carries water. Water is a very important component of blood. Blood carries water from one place to another. This maintains the water content in body. This process of maintaining water the body is called .....

Did this answer help you? Please let us know if we could help you in any other way. Please feel free to ask if you do not .....

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Prithvi Narayan Shah is always memorial to all Nepalese people who had fought against imperialist forces to save his sovereign-land. The folowing points make it .....

 त्यस्तै:    आखा लाग्नु, जिब्रो टोक्नु, नाक काट्नु ,मन चोर्नु  यी मध्ये   उखान  कुन र .....

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Here, Pooja spends 40% of her income in food, 30% in clothes and 20% in other items. she saves Rs 80 per month. To find her yearly income 1st we have to find the % she saves. Here saving % = 100 - [ 40 + 30 +20] = 100 - 90 = 10% So, 10% of her .....

Coal and petroleum are produced by constant high pressure of earth’s crust and upper soil,this pressure acts upon the the fossils and residues of animals & plants over millions of years producing petroleum & coal .....

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Gopal Dynasty ruled 521 years. For Gopal Dynasty, Matatirtha was the center place. Bhuktaman was the first king of Gopal Dynasty. Jeet Gupta was the last king of Gopal .....

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Non volatile refers to a substance that does not readily evaporate into a gas under existing conditions. In other words, a nonvolatile material exerts a low vapor pressure and has a slow rate of .....

Let us take an example, Such types of diagonal matrix having all diagonal elements same is called scalar matrix. Can you write more .....

We have to find the value of  cos390.sin330-sin510.cos570. To find this we need to change the angles 390, 330 510 and 570 in to standred angles. For this,  cos390.sin330-sin510.cos570  = cos (360 + 30) sin(360 - 30) -  .....

What do you see i the image given above? It is a image of tika hindus take as thge blessings of Durga. You may also have taken tika and Jamara from your elders this Dashain. During the Period of dashain, Schools, colleges and office remain close .....

Here Marked price of an article = Rs. 2500 Its selling price = Rs. 2000 We know discount = Marked price - Selling price                                = Rs. 2500 - .....

Here marked price of the article = Rs. 2500 Let 'x' be the actual price of the article. We know marked price = x (actual price) + 25% of x (actual price) or, Rs. 2500 = x + 25% of x or, Rs. 2500 = x + 25x/100 or, Rs. 2500 = (100x + .....

Definitely, the full form of UN is United Nations. UN is an international organization that maintains peace and security in the world. It was established on 24th Oct. .....

Here given that Cost of 1 pen = Rs. 12.56 To find the cost of 56 pens we have to multiply the cost of 1 pen with the total number of pens i.e as Cost of 56 pens = Rs 12.56 x 56                     .....

Mobile computing is the set of IT technologies, products, services, and operational strategies and procedures that enable end users to gain access to computation, information, and related resources and capabilities while .....

Look at picture above. It is a picture of a factory or a industry. Earlier in the ancient times there were no industries or factories. All the land were covered with forests, cultivation land etc. Gradually people started cutting down of trees .....

Here we are given with the price including 15% VAT = Rs. 690 To find the price excluding VAT first we have to find the VAT amount and substract the VAT amount from the price including VAT. Now , VAT amount = 15% of marked price including .....

We have given, A rectangular field is twice as long as its breadth. A path of uniform with 2m is running inside the field. If the cost of constructing the path at rs 40per sq m. is Rs 13760 find the area of field. So let, breadh be b, then .....

Reproductive cells are undergo meiosis to form gametes (in male - sperm and in female - ova or egg). You know, sperm and ova are haploid cells (i.e. with the half number of chromosomes in diploid cell). ​​​​​However, the cells that are .....

You may have learnt about reproductive cells; sperms and ova. These are the only cells that take part in reproduction. However, there are many cells that do not take part in reproduction. Such cells are called somatic .....

Look at the picture above. Five-year-old tiny girl Charlotte Garside, who is just 68cm tall and weighs less than nine pounds, is the same size as her favourite teddy and the smallest girl in the world. Look at the picture. Jyoti Amge is an .....

Here in this question we have given price with VAT  and VAT%  and we need to find VAT amount because, whlile leaving Nepal he got VAT amount back. Here VAT% = 13%  and price with VAT = Rs. 452 We know,  price with VAT  .....

दशै नेपालीहरु र विशेषत नेपाली हिन्दूहरुको सबैभन्दा ठूलो पर्व हो ।  नेपाली हिन्दु पात्रो .....

 निवेदन कुनै विषयका बारेमा जानकारी गर्न कुनै संस्था वा व्याक्तिलाई लेखिने एउटा पत्रको .....

 संस्कृत साहित्यमा  कवि, र काव्य शब्दले  हालको साहित्य र साहित्यकारलाई जनाउने गर्छ .....

Masslessness = Weightlessness but not vice versa. An object that doesn't have mass will not weigh anything,but an object that does not weigh, is not necessarily mass less.

That is because, weighing is measuring the force of gravity .....

Supersaturation point decreases with temperature but the reason usually is that the melting point of the solved compund also decreases. Some crystals are solid at certain temperatures where the solvent continues to be a liquid and the .....

कमलले आफ्नो जीवनलाई खुसी र  सुखी बनाउनको सहरमै बसेर  काम गरे ।  हुन त उनी गाउँ मै गएर गरीब .....

I hope you know the respective formulae. Place the above values and calculate .....

I hope you know the respective formulae. Place the above values and calculate .....

 वाक्यको मात्र कुरा गर्ने हो भने नेपाल र भारतको बिचमा संयोजक र छ .....

As mentioned above,  a dream is the flow of images or stories that is based on our own memory. Can you tell me if we can remember things .....

Here we have given rate of interest, time and incresed in interest. And we have to find out principle or sum. According to the question, Increased in intrest = Rs.1000 or, PTR2 /100   - PTR1 / 100= 1000 or, P x 5 x 12 - P x .....

To solve this question you must know the law of indices such as  x -1  = 1 / x xm . xn  = xm +n ( x / y) m = xm / y m  . Here I use the formula of  a2 - .....

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यहाँ, हामीलाई दुई वटा अवस्थाहरु दिइएको छ्, जसबट घडीको अ.मु निकाल्नुपर्ने छ । यसको लागि मानौँ .....

 यहाँ, अ.मु पत्ता लगाउनको लागि, क्र.मु लाई x मानौँ अब, पहिलो सर्तबाट, अ.मु = क्र.मु + क्र.मु को 20 %     .....

When silver (Ag) react with bromide(Br), it gives silverbromide. ie, Ag + Br ----------------> AgBr. Silver bromide, a soft, pale-yellow, water-insoluble salt well known for its unusual sensitivity to light. This property has allowed silver .....

Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.   Rusting is the common term for corrosion of iron and its .....

Hints: 1) Divide numerator and denominator by cosϴ. 2) Put sec2θ-tan2θ in place of '1' in numerator. 3) Take, (secθ-tanθ) common in numerator. 4) Cancel the common term. 5) You will get the result. You may .....