१. छमछमीः मेरिना आँगनमा छमछमी नाच्दा सबैले प्रशंसा गरे । जलबिन्दुः साथी आँखामा लागेको .....

Weightlessness is the condition in which a body feels that it is not influenced by any force. A body with a fixed mass will be weightlessness under the following conditions: 1.When a body falls freely under the influence of force of gravity only or .....

Multiplying both sides by 4th power or, 2x-1=1 or, 2x=2 or, x=1 So, it has a unique .....

Draw quadrilateral MNOP with the given values in following order using compass. MN = 4.5 cm ∡MNO = 70°  NO = 5.5 cm OP = 5.5 cm and MP = 4.5 cm We will get following .....

Fire is mostly a mixture of hot gases. Flames are the result of a chemical reaction, primarily between oxygen in the air and a fuel, such as wood or propane. In addition to other products, the reaction produces carbon dioxide, steam, light, and .....

The two substances produced by testes are: - Testes produces Testosterone hermone. - Testes also produces .....

Mercury

.....

Measurements is the comparison of the unknown quantity with a .....

Merits of quartile deviation It does not involve much mathematical difficulties.  It can be easily calculated and simply understood. It provides a short cut method to calculate Standard Deviation using the formula 6 Q.D. = 5 M.D. = 4 .....

We have given,      1/a-1 + a-1  = 6 or, a + 1/a = 6 Cubing both sides, we get      (a + 1/a)3 = 63 or, a3 + 3a.1/a(a + 1/a) + 1/a3 = .....

Synodic month also called lunar month. A lunar month is a time between two successive syzygies (new moons or full moons). The period of the Moon's orbit as defined with respect to the celestial sphere of apparently fixed stars is known as a .....

Here, Sin4A = CosA or, Sin4A = Sin(90o - A) or, 4A = 90o - A or, 5A = 90o or, A = 18o. Thus, A = .....

They constructed a .....

Don't they? He saw my father on the way. I haven't taken my meal yet. Kishor taught at Pragati school for many years. Rama inquired me where was I going. The meeting has to be .....

a. Maya has not done her homework yet. b. He has many problems. c. Did .....

(i) egg A develops into the drone if it is a non-fertilized egg. (ii) egg B into the queen if it is fertilized egg and fed exclusively with copious amounts of royal jelly during the entire nourishment period of larvae stage. (iii) egg C .....

The constitution of Nepal 2072 divides the federal legislature as a two-house parliament; the House of Representatives and the National assembly. Though the National Assembly has limited powers and functions than the House of Representatives; .....

Saddle grafts can be done as bench grafting or using a grafting machine. The scion and rootstock must be the same size. The scion is cut like a saddle and sits on top of the rootstock. Saddle grafting is done as bench grafting when the scion is .....

.....

That answer is wrong. Equation of straight line is never in .....

Which is the required .....

Here, Vector PQ = Vector OQ - Vector OP = (-2, 2) - (2, -2) = (-2 - 2, 2 + 2) = (-4, 4). Magnitude of vector PQ = √{(x-component)2 + (y-component)2}                       .....

Here, cos(90-a) tan(180-a) sec(90+a)/ cos(180-a) tan(180+a) cosec(180-a) = cosa(-tana)(-scea)/(-cosa).tana.coseca = - seca/coseca = -sina/cosa = - .....

There is a snake crawling through the .....

Here, t1 = -(a + b)/1 = (-1)1 (a + b)1/1 t2 = (a + b)2/2 = (-1)2 (a + b)2/2 t3 = -(a + b)3/3 = (-1)3 (a + b)3/3 So, the general term is  tn =  (-1)n (a + b)n/n By counting, no. of terms in this .....

.....

Scoring 2 is representing by 2 and not 2 is represented bt 2 bar. From the diagram, P( 2 on a occasion) = 1/6 x 5/6 x 5/6 + 5/6 x 1/6  x 5/6 + 5/6 x 5/6 x 1/6                       .....

Short-cut method: P(R∪R) = P(R) + P(R) - P(R∩R)               = 0.2 + 0.2 - 0.2 ⨯ 0.2               = 0.4 - 0.04             .....

The difference between aliphatic and aromatic hydrocarbons is that aliphatic hydrocarbons consist of linear chains of carbon atoms, like methane CH4, ethane, C2H6. Aromatic hydrocarbons consist of closed rings of carbon atoms, such as the .....

Here, CP of a bag = 800 + 15% of 800                     = 800 + 15/100 x 800                     = Rs.920. SP of a bag = CP + P% of CP   .....

i. The first filial generation is shown in the figure. ii. 2:1 iii. RR. iv. law of purity of .....

Environmental studies are the scientific study of the environmental system and the status of its inherent or induced changes on organisms. It includes not only the study of physical .....

BCEF is a required //gm which is equal in area with //gm .....

Here, P(x, y)----------Ref.y=-x--------->P'(-y, -x) So,  A(3, -5)--------Ref. y = -x-------->A'(5, -3) Again, .....

Here, Volume of cylinder = volume of one or, πR2H = 1/3 x π r2h or, (56cm)2 x 21cm = 1/3 x r2 x 3 x 21           [ Since, h = 3H.] or, r = 56cm. Now, slant height of cylinder (l) .....

Let,  a = 4 and b = 16. We know, A.M. = (a + b)/2           = (4 + 16)/2          = 10. G.M. .....

Given,  A group of 5 students should bring 1 new student every year for enrollment. Therefore rate of growth = 1 / 5 x 100% = 20% Time (T) = 3 years  Population of students = 2000   Population of students after 3 years = P ( 1 + R / .....

The platypus is called a bridge animal because it displays reptilian characteristics (it lays leathery eggs) as well as mammalian characteristics (it gives birth to live young, feeds them with milk from its body, and has .....

Here, SP = Rs.1200 Profit = Rs.100 CP = SP - Profit        = Rs.1200 - Rs.100 = Rs.1100. We know,  Gain% = Profit/CP ⨯ .....

Here, Area of a face of a cube(A) = 16cm2. TSA = ? We know, TSA = 6A           = 6 ⨯ 16cm2          = .....

Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids, and gases. Heat energy can be transferred from one object to another. The transfer or flow due to the difference in temperature between .....

We know, 1 hectometer = 1000m 1 m = 100milimeter So, 100000 mm = 1 hectometer. Or, 1 mm = 1/ 100000 hectometer. Or, 1 millimeter = 0.00001 .....

.....

Here, Total CP = 1000 x Rs.16 = Rs.16000. Remainning bulbs = 1000 - 100 = 900 bulbs  SP = CP + P% of CP       = 16000 +12.5/100 x 16000       = .....

Here, we have .....

Here is an example:  See it and try your question. Question: A pole is fixed at one corner of a rectangular ground of length 100 m and breadth 60 m . If it is observed from the opposite non-adjacent corner with an angle of elevation .....

Here,  √98 +√25÷2 -√9÷2 -√32 = 7√2 + 5/2 - 3/2 - 4√2 = 7√2 - 4√2 + 5/2 - 3/2 = 3√2 - 2/2 = 3√2 - .....

Here, Total no. of cards = n(S) = 52 Numbers of king = n(K) = 4. Tree-diagram: Sample space= {KK, KK', K'K, K'K'} .....

Here, Price after discount(SP) = MP - D% of MP = 1800 - 10/100 x 1800 = 1800 - 180 = Rs.1620 Final SP with vat = SP + VAT% of SP = 1620 + 15/100 x 1620 = 1620 + 243 = Rs.1863 is the required .....

The United Nations(UN) is a global organization. Its main aim is to maintain international peace and security. The main objectives of UNO are written below: - To maintain worldwide peace and security. - To develop relations among .....