The question is  2 × 109 + 5 × 107 + 4 × 104 + 1 × 102. Hope the meaning of power is clear.  =  2 * 1000000000 + 5 * 10000000 + 4 * 10000 + 2 * 100 = 2000000000 + 50000000 + 40000 + 200 = 2050040200 = .....

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Area of the shaded region  =  area of the large rectangle - area of the small rectangle                                           .....

Again we know, Area of a square, A = l2                                 = 62                         .....

   (x+3) (x-3) = x(x - 3) + 3(x - 3) = x2 - 3x + 3x - 9 = x2 - .....

Here,    x - 4/6 = 1/2 or, x = 1/2 + 4/6 or, x = 3/6 + 4/6  [ making denominator same] or, x =(3 + 4)/6= .....

First case,       2 pens cost = Rs. 25 or, 1 pen cost = Rs. 25/2 = Rs. 12.5. Second case,      3 pens cost = Rs. 36 or, 1 pen cost = Rs. 36/3 = Rs. .....

Classification of pinus: Kingdom: Plantae Sub-kingdom: Phanerogams (Flowering plants) Division: Gymnosperms Type: .....

Since, 5, 4, 15 and x are in proportion,  then we can write, 4/5 = x/15 or, x = 15 * 4/5 [ cross-multiplication] or, x .....

Historical Importance: Nepal is a country having cultural and historical diversity. There are many places of historical and religious importance in our country. Nepal is the birthplace of Gautam Buddha, the founder of Buddhism and light of .....

Here,  <ACB = θ , AB = 30cm = b  BC = 40cm = p We know,  Tanθ = p / b  or, Tanθ = 30cm / 40cm = 3/4 Hence  Tanθ = 3 / .....

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Here,  PQ = 2 PM ; PR = 2 PN and < Q = < PMN  because, MP = MQ  and PN = NR. If triangles, PMN and PQR are similar,  MN / QR = PN / PR or, MN / QR = PN / 2PN           [ since, PR = 2 .....

Here,  <ABC = < BCD = 400   [ alternate angles] In triangle, CDE,  < E + < D = < BCD     or, <E + 15o = 40o or, < E = 40 -1 5  =25o Hence,  <CED = .....

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The cultural diversity has been maintained as a beautiful garden which is our national pride. There are social harmony and religious tolerance even in such diversity. There is unity in diversity which is our national pride. The historical places .....

The main difference between the cooperatives and the private enterprise are:

Private .....

Two phenomenon are, 1.   In a liquid-dominated reservoir, the hot water has not vaporized into steam because the reservoir is saturated       with water and is under pressure. 2. The hot water is piped from .....

The difference between federal executive and provincial executive is presented in the table below: Federal Executive State(Province) Executive

It is the central government to run the whole nation.

Dry ice does not melt, instead it sublimates (i.e.the solid directly turns into gas) It is an important refrigerant to keep food cold and prevent bacterial growth. It is the same chemical that gives drinks their fizz. Dry ice is much colder than .....

You know that objects carry electrical charges with them. When two objects come in contact, electrical charges get exchanged between their surfaces. The effects of charge exchange are usually only noticed when at least one of the .....

 You know that all matter is made up of small units called as atoms.  When group of two or more atoms bond together, we call it a molecule. A molecule of the substance has all the properties of that substance. For .....

The electron is a negatively charged particle that spins around the outside of the nucleus. If there are the same number of electrons and protons in an atom, then the atom is said to have a neutral charge. Electrons are attracted to the nucleus .....

Here, Volume of water tank = 1440 liters Or, L X B X H = 1440 x 1000cm3            [ Since, 1 liter  = 1000cm3] or, 120cm x 80 cm  x H = 1440000cm3  or, H = 1440000cm3 / .....

The distance between hand lens and book should be equal to the focal length of the hand lens (i.e. 33 cm) since the object at focal point of hand lens forms virtual image at infinity which is easily seen by relaxed eye and then can be read .....

Mushrooms are considered to be saprotrophs as they grow on dead and decaying matter and obtain nourishment from it by secreting digestive juices. The organisms which exhibit saprotrophic mode of nutrition are called as saprotrophs. Saprotrophs .....

At night time, ground is colder. Due to this, the air near to the ground is cooler than the air of upper levels. Thus, the air becomes lighter when we move upwards. When sound is produced on the ground, it bends continuously away from the .....

The National Human Rights Commission Nepal(NHRC) is an independent and autonomous constitutional organ. It was established in the year 2000 as a statutory body under the Human Rights Commission Act 1997. National Human Rights Commission can do the .....

The difference between federal executive and provincial executive is presented in the table below: Federal Executive State(Province) Executive

It is the central government to run the whole .....

lr7L .....

 असल मानिस  भगवान् समान हुन्छन् । जो मानिसले सानालाई माया ठुलालाई आदरको भावना राख्दछन् । .....

साथी कुनै व्यक्तिको साथमा रहने व्यक्ति हो। यो एक मनोवैज्ञानिक सम्बन्ध हो। साथी-साथी वा एक .....

Our body needs certain food materials for healthy growth and development. These food materials are called nutrients. There are various types of nutrients needed by our body like: Carbohydrate, protein, fat, minerals, vitamin, etc. Food .....

The strategies of the current plan are as follows: - Transformation of the agriculture sector. - Growth in production through the expansion of tourism, industrial development along with improvement   of small and medium scale industries. - .....

substitute sin(30) = 1 /2  1/2 [ sin(20) sin(40) sin(80) ]  = (1/2) sin(20) [ sin(40) sin(80) ]  use the formula sin A sin B = (1/2) [ cos(A - B) - cos(A + B) ]  = 1/2 sin(20) (1/2)[ cos(40) - cos(120) ]  = 1/4 sin(20) .....

Substitute sin(60) = √3 /2 in LHS, = 16 x √3/2 [ sin(20) sin(40) sin(80) ]  = 8√3 sin(20) [ sin(40) sin(80) ]  use the formula sin A sin B = (1/2) [ cos(A - B) - cos(A + B) ]  = 8√3 sin(20) (1/2)[ cos(40) - .....

The art was developed as wood art, stone art and architecture. The construction of chaityas, bihars and temples were popular during Medieval period. Similarly, many festivals and jatras were started among different .....

a. "Manisha likes to sing" is active. b. "Rugby is played in few countries" is passive. c. " A lot of people were shifted to safer places" is passive. d. "Nepali is spoken in Nepal and India" .....

General formula of alkane, alkyne and alkene are given .....

In biology, ATP means Adenosine tri phosphate.   Adenosine triphosphate (ATP) is considered by biologists to be the energy currency of life. It is the high-energy molecule that stores the energy we need to do just about everything we .....

You know that we use the gas stored in a liquid form in a cylinder for cooking. This gas consists mainly of propane, propylene, butane, and butylene in various mixtures. It is produced as a by-product of natural gas processing and petroleum .....

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Here, Height (h) = 3.5 m Density of water (d) = 1000 kg/m3 acceleration due to gravity (g) = 10 m/s2 Pressure (P) =? we have, from formula, P = hdg    = 3.5 ⨯ 1000 ⨯ 10    = 35000 Pa Therefore, the pressure .....

Robert Hooke termed 'Cell' Any 'living' being , by definition is capable of reproducing. By this, we can infer that cell wall is non living. How ever note that, Cell wall, along with other cell components forms a 'living' .....

 In cell biology, the centrosome is an organelle that serves as the main microtubule organizing center  of the animal cell as well as a regulator of cell-cycle .....

Now, we know,         Perimeter, P = 2( l + b)                              = 2( 20 + 16)                 .....