Here, A, B & C are the angles of a triangle. So,      A + B + C = 180o    .....

.....

Here, 5 sinθ + 12cosθ =13 or, 5 sinθ + 12cosθ =13(sin2θ + cos2θ) or, 5 sinθ + 12cosθ =13sin2θ + 13cos2θ or, 5 sinθ + 12cosθ =13sinθ.sinθ + .....

Here, We know, 100% = 360o or, 1 % = 360/100 = 3.6o So,  Gymnastics = 11% = 11 x 3.6 = 39.6o Swimming = 27% = 27 x 3.6 = 97.2o Soccer = 30% = 30 x 3.6 = 108o Cricket = 20% =20 x 3.6 = 72o Tennis = 12% = 12 x 3.6 = 43.2o. Now draw the .....

Given: MN//PQ To prove: PB = QB Construction: Join A & C. Proof: Statements Reasons 1. ∡Q = ∡ACP 1. Inscribed angles on same arc AP 2.∡Q = ∡ANM 2. Corresponding angles are .....

Here, Here, Height of cylindrical part = Height of tank - Radius                                           = 21 - 0.5 = 10.5m Volume of .....

Polarization stops the functioning of the cell. Polarization can be avoided by brushing the hydrogen bubbles or by putting a chemical called potassium dichromate in acid. Potassium dichromate oxide changes hydrogen to .....

Let the tens digit be x Let the units digit be y The required number is 10x+y The sum of the digits is x+y From the first case,      (10x+y) = 8(x+y) + 2      [ Since, Dividend = Dividor x Quotient + Remainder .....

Two  adaptational features of opuntia to live in the desert are: 1. Needle-shaped leaves:     They minimize the amount of water lost through the stomata.      Also, they .....

Air storage organ ( modified petiole ) in water hyacinth ( jalkumbhi ) which provides buoyancy to these plants which help to float and hence easy to get sun .....

The adaption provided by forelimbs with sharp claws and the strong snout is for burrowing mode of .....

Let the fraction be (x - 1)/x. According to the question, (x - 1 - 2)/(x + 2) = 1/2 or, 2(x - 3) = x + 2 or, 2x - 6 = x + 2 or, x = 8. Thus, the fraction is  (x - 1)/x = (8 - 1)/8 = .....

Finally, P - CI = 26000 - 8606 = .....

Tapeworms are called parasites because they survive within another organism, known as the host. They grow after the host ingests the eggs of the tapeworm. Drinking contaminated water and eating contaminated food are the primary .....

The parasympathetic nervous system (PSNS) is a division of the autonomic nervous system. The actions of the parasympathetic nervous system can be summarized as "rest and digest". These actions slow things down and regulate. The .....

It is so because the question states "One-quarter of those who study Spanish also study French", which means, that one quarter is the no of students studying both languages. Here, we have let 'x' for the students who study .....

Here, Volume of  water tank = Volume of cylindrical part + Volume of hemispherical part                               .....

Differences between acceleration and velocity: Acceleration: Velocity 1. Acceleration is the rate of change of velocity with time. 1. Velocity is the rate of change of .....

Let AB be the height of the tower above the water level where A is the top, the bird is standing at this point.  A' be the image of the bird. BC be the water level. Now, AB = A'B = x     [ .....

Some of the economic reforms during Rana's regime were: Establishment of the first bank in Nepal. Establishment of sugar mill and cigarette factory. Establishment of large scale industries like Biratnagar Jute mill, Juddha match factory and .....

Sodium chloride (NaCl) and silver nitrate (AgNO3) are both solids that are highly soluble in water. They give a double displacement reaction where the ions switch places and give sodium nitrate (NaNO3) and silver chloride (AgCl) as the .....

Every livingthing need shelter. For example People live in home. Bird make nest. Lion live in den. Bear live in cave. Shelter protect us from heat , cold, wind, rain etc. Living place of all living things is called a shelter. In nepali, .....

First expression = ( 2x4 + 4x3 )( x2 + 2x - 8 ) = 2x3(x + 2)( x2 + 4x - 2x - 8 ) = 2x3(x + 2)(x + 4)(x - 2) Second expression = ( .....

.....

नेपालीमा कसरी ए प्लस ल्याउन सकिन्छ ? नेपालीमा यसरी ए प्लस ल्याउन सकिन्छः  (क) पहिलो कुरा अक्षर .....

भोकभोकै मर्नुपरे पनि आफ्नै गाउँमा मर्नु जाती । उत्तरः “भोकभोकै.............................................मर्नु .....

Aborigines are Australia's indigenous people who settled in the land a long time before the Europeans arrived. They are primarily the hunters and gatherers who collect the edible plants' shoots and roots as well hunt for the wild animals .....

Nepal is a country of splendid attributes and has more holidays, festivals, and fetes than we can keep a count of. One of the oldest and most historically significant festivals of west Nepal is the Saran mela that takes place in Pyuthan. The .....

Masto system of worship is famous among the Khas people of Bheri, Karnali, Seti and Mahakali zone of the midwest and far-west Nepal. Masto is their main deity but with no specific image. Dhami himself turns into Masto when he acquires divine .....

Here, number of students (N) = 60.          We know, Third quartile (Q3) = (3N/4)th class                                     .....

From the first case,      CA =P(1 + R/200)2T or, Rs.400 = P(1 + R/200)2.............................(i). From the 2nd case,      CA =P(1 + R/200)2T or, Rs.441 = P(1 + .....

Federalism is the concept in which a nation is divided into the regional governments all under the central government by constitution of the nation. Unlike in authoritarian government, federalism may be regarded as the pillar of development for the .....

Here, First expression = (x2/y2)2 + 1 + (y2/x2)2 = (x2/y2) + 2.x2/y2. y2/x2 + (y2/x2)2 - 1        [ Since, 2 - 1 = 1  and x2/y2.y2/x2 = 1.] = (x2/y2 + y2/x2)2 - .....

Single fixed pulley is the type of pulley in which the load is raised directly upward. Load is placed at the one end and effort is applied at the other end . Here the effort applied moves down the distance l and the load moves up the distance .....

The ratio of the distance moved by the effort to the distance moved by the load is called velocity ratio. Velocity ratio (VR) = distance moved by effort / distance moved by the load. So, the velocity ratio of a lever is 3 means distance traveled .....

The principal of levers is "In the balanced condition of a lever, work output and work input are equal if there is no friction." Mathematically, Work output (W0) = Work input ( Wi), given that lever, is in a balanced .....

Here, ∡ROQ = ∡Q = x            [ Since, OR = OQ is given.] In triangle ROQ,     ∡ROQ + ∡Q .....

We have, LHS = Sin80o - Cos110o          = Sin80o - Cos(90o + 20o)         = Sin80o + Sin20o        .....

.....

Here,    Sinθ - Cosθ = 0 or, Sinθ = Cosθ  or, Sinθ / Cosθ = 1 or, Tanθ = Tan45o             [ Since, .....

Here, O is the center of the circle and ∡DCE = 65o, Value of x = ? Join A & E as in diagram. Then, ∡AEB = 90o                 [ ∵ Angle at the .....

Equation of Parabola: Let the equation parabola be  y = ax2 .....

Let the vector be   a →=xi →+yj→ .  Now,  Magnitude = a = √{(x - compo.)2 + (y - compo.)2}    or, (x2 + y2) = (2√3)2 or, x2 + y2 = .....

We have given, Height(h) = 23cm & Radius(r) = 5cm Volume(V) = ? We know, Volume of cone = 1/3 x πr2 .....

Please post the complete question. To find Q.D. and its coeff., use the following formula" Q.D. = (Q3 - Q1)/2 Coeff. of Q.D. = (Q3 - Q1)/(Q3 + .....

Given: Chord AB = CD. Construction: Draw perpendiculars OX & OY on AB & CD. To prove:- AP = DP Proof: Statements .....

Area to be covered with colored paper = 352 + 168                                                         .....

Given: LM = MQ & O is the centre. To prove: PN = NQ Proof:  Statements .....

Here, O is the centre of the circle. ∡If ABC = 40o, Join  A & C. Now, ∡BAC = 90o,      [ Since, angle at the semi-circle.] In triangle ABC,  ∡C = 90o - .....

Let OA = 25cm be the radius & AB be chord which is at the distance of OC = 20cm. Now, in right-angled triangle OAC, AC = √{OA2 - OC2}       .....