You know that force is equal to product of mass and acceleration of that mass. i.e.  F = m × a Weight is one of the type of force. Therefore, Weight = mass × acceleration i.e. W = m × a But here in case of weight, .....

Due to this, the polar radius (Rp) of the earth is less than the equatorial radius (Re).

i.e. Rp < Re

Since acceleration due to gravity (g) is inversely proportional to the square of radius, the value of g is more at .....

As we know, there is a force of gravitation between every pair of objects in the universe. The force of gravitation between two objects of unit masses (1 kg both) separated by unit distance (1 m) is found to be 6.67x10-11N. This is same for each .....

Here we have given,  Sahaj brought $ 10000 in the time of returning from America and he has to pay 2% commission in converting Nepali rupees, We need to calculate the  Nepali rupees will he get? Exchange rate is  Buying rate: .....

Also you can find as, Discount amount = MP - SP = 100000 - 90000 = Rs. .....

We have given that, selling price of a commodity after 10% discount is Rs. 7200. We need to  find the marked price of the commodity. For this,  we know the formula,  Price after discount (SP) = MP - Discount % of MP  , .....

We have given ;commodity costing Rs. 10,000 and allowing 10% discount, and another commodity costing Rs. 8000 including 13% VAT. We need to find the difference. For this  Find the price of 1st commodity bu using, SP1 = Rs. .....

We have given,  The price of an article with 15% VAT is Rs. 920. We need to find the price excluding VAT. We know,  Price with VAT = SP without VAT + VAT % of SP without VAT or, Rs.920 = SP without VAT + 15 / 100 x SP .....

We have given,  n(X) = 48, n(Y) = 51, n(Z) = 40, n(X ∩ Y) = 11, n(Y ∩ Z) = 10, n (Z ∩ X) = 9, n(X∩XY∩Z) = 180 and n(U) = 120, We need to find the value of n(X ∪ Y ∪ Z) and its complement. For this, .....

We have given,  n(A) = 48, n(B) = 51, n(C) = 40, n(A ∩ B) = 11, n(B ∩ C) = 10, n (C ∩ A) = 9, n(A∩B∩C) = 4 and n(U) = 120, We need to find the value of n(A ∪ B ∪ C) and its complement. For this, lets .....

Let, N and H denotes the number of students who like Nepali and History respectively. Then, by the question, n(N ∪ H) = 50, n(N ∩ H) = 20, n(N) : n(H) = 3 : 2 So, let n(N) = 3x and n(H) = 2x Now, you may have learnt .....

We have given,  In a survey among 195 people it was found that 25 liked tea only and 125 liked coffee only. The number of people who liked coffee is three times the number of people who liked tea. We eed to draw   a Venn .....

We have given , on the survey of 90 students who passed the district level examination of class 8, 60 students want to study additional Math  30 students want to study computer. 15 of them do not want to study any of both subjects.  We .....

We have given a circle and  qd.OBCA We need to find <C,  FOr this, Ref.<AOB = 360o - 125o =  .....Find it. [ complete turn] Then <C = 1 /2 of  Ref.<AOB                  .....

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1. Soft water forms lather with soap easily but hard water does not.  2. Soft water is useful for washing and bathing while hard water is not suitable for these purposes.  3. Soft water does not contain chlorides, sulphates and .....

To find te probability, we need to find the probability of getting numbers which are multipli of  5  or  7. Here, total no.of cards =  30 - 1 + 1 = 30 [ or you can simply count them] no.of cards which are multiple of 5 =  .....

To find te probability, we need to find the probability of getting numbers which are multiple of  5 or   the probability of getting numbers which are multipli of  6. Here, total no.of cards =  51 - 32 + 1 = 20 [ or you can .....

Dandruff is a harmless but chronic condition that occurs when the scalp becomes dry or greasy and produces white flakes of dead skin that appear in the hair or on the shoulders.

Skin cells are formed continuously on the scalp, so the .....

You can identify the hard water by checking the white scales on your bathtub.  The minerals in hard water can leave a white scale on your sink, shower, or .....

Chemicals present in temporary hard water are: Calcium Bicarbonate(CaHCO3), Magnesium bicarbonate(CaHCO3). Chemicals present in permanent hard water are:  Calcium Sulphate (CaSO4), Magnesium Sulphate (MgSO4), Calcium Chloride (CaCl2), .....

We have given, pairs of lines, x2 - 4xy + y2 = 0. We ned to find the obtuse angle between them. For this compare  x2 - 4xy + y2 = 0.  with  ax2 + 2hxy + b y2 = 0. We get, a = 1 , b .....

We have given  Pair of lines represented by an equation mx2 - 5xy - 6y2 = 0 are perpendicular to each other, We need to  find the value of m Compare mx2 - 5xy - 6y2 = 0  with ax2 + 2 xy + by2 = .....

An angle is a figure in which two rays emerge from a common point. This point is called the vertex of the angle and the two rays forming the angle are called its arms or sides.  ∠A in the figure .....

We have given pair of lines: x + 3y = 0 .................i) and  2x + y = 0...............ii) To find the single equation, we need to multiply them. i.e; ( x + 3y ) ( 2x + y) = 0 Now open bracket and simplify to get .....

We have given that, if the coordinates of one end of a diameter of the circle having equation x2 + y2 + 4x - 6y + 8 = 0 is (-4, 4), We need to find  the co-ordinates of the other end of the diameter. Equation of the .....

Here, we have to prove that: cos(B + C - A) + cos(C + A - B) + cos(A + B - C) = 1 + 4cosA.cosB.cosC So LHS = cos (-A+B+C) +cos(A-B+C) +cos(A+B-C) +cos(A+B+C)  =cos(-A + 180 - A)   + cos(-B + 180 - B)  + cos(- C + 180 .....

A collection of "things" (objects or numbers, etc). Each member is called an element of the set. There should be only one of each member (all members are unique). Here is a set of frist 4 even no. = { 2 ,  4 , 6 ,8} Another .....

Forests are very much a part of people’s livelihoods in rural Nepal. It is the forests that are the source of much of the fuel by which people cook and warm themselves on cold winter days. The forest also provides materials used for house .....

Three ways to keep magnets safe are: - Try keeping the magnets in a cool place, around room temperature, and out of the sun because    heat can cause the poles of the atoms in a magnet to randomize which will destroy the .....

Dear Krishna chek it out it is due to technical error. < ABC = 90 .....

बाल साहित्यमा देवकुमारी थापाको विशिष्ट स्थान छ । उनले नेपाली साहित्यमा  बाल साहित्यका धेरै .....

Generally, people living in Himalayan region of Nepal use a circular grinder made up of stone to grind pulses, rice and other grains. This kind of grinder is called as "jato" in Nepal. It consists of two round stone, one at the .....

To find the acute angle, simplify the given equation by taking LCM, Then you will get,  x2 + 4xy  + y2 = 0 Now compare this equation with ax2 + 2hxy + by2 = 0 we get ,  a =  1  h = 2  and b = .....

We have given,    mx2 - 5xy - 6y2 = 0  Compare this with ax2 + 2hxy + by2 = 0  we get, a = m ,h = - 5 / 2  and b = - 6 If the given line gives perpendicular, then  a + b = 0 or, m -  6  = .....

To find the  angle of given equation of st.lines 6x2 - xy  - y2 = 0 Now compare this equation with ax2 + 2hxy + by2 = 0 we get ,  a = 6  h = - 1 / 2  and b = -1 If A be the angle , TanA = + or - .....

Now, could you please try once for the word .....

We have given,  x = 3y and 3x =  y  or , x -  3y = 0 .........i) and  3x -  y =0 .............ii) To find the single equation, We need to multiplying them  i.e; (x -  3y)( 3x - y ) = 0 now open te .....

We have given,  x = 3y and 3x =  y  or , x -  3y = 0 .........i) and  3x -  y =0 .............ii) To find the single equation, We need to multiplying them  i.e; (x -  3y)( 3x - y ) = 0 now open te .....

Here we have given,  Sample space =  S = {8 , 9 ,10 ,11, 12 ,13, 14, 15, 16 , 17 , 18 , 19 ,20 ,21` , 22 ,23 ,24 ,2 5 ,26 ,27} So, no. of elements in sample space =  n(S) =20 No.of elements divisible by 6 = n(6) = 3 No.of elements .....

When two coins are tossed at a time. There are four possibilities all together. They are, U={HH, HT, TH, TT} Where, H=Head and T=tail. n(U) = 4 Well, for both are  head,  A = {HH,} So, n(A) = 1 Now, find out the probability by .....

Besides traditional stove, a special kind of stove is introduced in some rural villages of Nepal. It consumes less fuel, save cooking time and creates smokeless environment in the kitchen. It consists of chimney through which smoke is released .....

We have given  Ram bought an article for Rs. 2540 and sold it with a profit of Rs. 381, We need to find profit percentage. Here, CP = Rs.2540 Profit =  Rs.381 We know profit % = Profit /  CP  X 100%    .....

You may have seen a JANTO (जाँतो).  There is a handle of wood, fitted to the upper rotatory piece of the JANTO, to rotate it by hand.  It is HATO (हातो).  There is a small iron rod fitted to the centre of lower .....

Difference between mortar and pestle: - The mortar is bowl-shaped with smooth, rounded bottoms and wide mouths   whereas the pestle is slender and stick like.  - Mortars are used to hold the substance to be ground .....

Most planets are located in roughly the same plane. Pluto is located way out of this .....

We have given that, if ( x + y) = 3 and xy = 2, We need to find the value of x² + y². For this ,we use the formula, (x + y )2 = x2 + 2xy + y2 Now put, ( x + y) = 3 and xy = 2, we get,  32  =  x2 + 2 .....

माउजुङ बाबु एक जना  राणाकालीन बृतावाल हुन् ।  नेपालामा प्रजातन्त्र आइसकेको छ तर माउजुङ .....

माउजङ्ग बाबुसाहेबको कोट साहित्यकार भवानी भिक्षुद्वारा लेखिएको मनोविज्ञानमा आधारित कथा हो । .....