Here we have given,  OP = ( -2, 2) PQ = ( 6 ,3 )  Now to find magnitude of OQ, we need to find the vector OQ. We know, PQ = OQ - OP or , ( 6 ,3 ) = OQ -  ( -2, 2) or, OQ =  (6 ,3 ) +  ( -2, 2) Find .....

1 hour = 60 .....

Here given that (a + 3, b - 4) = (0, 5) From the above condition we can say that      a + 3 = 0      and            b - 4 = 5              (Equating .....

Here , we have given, AC = BC        ∡PCA = ∡QCB       ∡PBA = ∡QAB. we have to prove, PQO is an isosceles traingle. for this,   ∡PCA = ∡QCB or, ∡PCA + ∡PCQ .....

Given,  BA ⊥ AC,  RQ ⊥ PQ                         AB = QR   and   BP = CR Take BP = CR or, BP + PC = CR + PC [Adding PC on both sides] or, BC .....

We have given, ∡OBC = ∡OCB ∴ OB = OC  and ∡OAD = ∡ABO ∴OA = OD Now, take ∆AOB and ∆DOC Show  ∆AOB  ≌ ∆DOC  by SAS axiom Then AB = DC  corresponding sides .....

We have given, AB = AC So, ∡ABC = ∡ACB ----------(i) OB is bisector of ∡B ∴ ∡CBO = 12 ∡ABC ---------- (ii) Similarly,  ∡BCO = 12 ∡ACB --------(iii) ∴ ∡ABO = ∡ACO .....

We have given, ∠MNO = 115∘  ∠QOP = 75∘  ∠RQO = 140∘  And we need to prove, MN ∥ RP For this, show that ∠MNO + ∠RPO = 180∘ Because, if sum of co-ordinates angle is 180∘,  then lines .....

Here we have given, PQRS is a rectangle. M is mid point of SR. We need to prove PQM is isoscales triangle. For this we need to show PM = MQ. Take two triangle PSM and QMR, Show them congurrent by SAS axiom,  Finally, PM = MQ, .....

 नेपालको राजनैतिक इतिहासमा  एकलाई मारेर अर्काले राज्य चलाउने प्रम्परा जस्तै थियो .....

We have given,  contractor has a work force of 420 men who can finish a certain piece of work in 9 months. We need to find no.of extra men must be employed to complete the work in 7 months. This problem we can solved by variation method .....

You may have learnt that very less amount of electricity flows though the body with high resistance. It is considered that the outermost covering of a bird's leg is of high resistance.  Because of this, only a very less amount of .....

Yes, it is but you can read the text and write and develop your own words which have the similar meaning to the above .....

        Soap, from a chemical standpoint, is a salt (or a mixture of salts) of fatty acids. As with all salts, soap contains a positive ion, usually Na+ or K+, and a negative .....

The literal meaning of analogous means comparable in certain aspects. If the comparison of new concept is made with old well known concept, and if it makes the  understanding process of new concept easier and clear, they are said to be .....

So, do not get confused with temperature and heat. If a body has greater mass, it will contain more heat .....

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

We have give that, U = {a, e, i, o, u},  A = { a, e, i} and B = { i, o, u} We need to  find A - B. As we know A - B = { elements which belongs to set A only but not in B}                   .....

Here we  to prove, So take both sides and bring common answer. will use the formula  sinA+sinB=2sin(A+B/2)cos(A-B/2)  Take the left side of .....

Hello Pratyush post your question one by one so that we can help .....

"Suppose a resistance(R) is connected across the terminals of a battery. A potential difference is developed across its ends.Current(or positive charge) flows from higher potential to lower potential across the resistance by itself.But inside .....

Q-value of DT fusion .....

A unit (as mentioned on the electricity bills) is represented in kWH or Kilowatt Hour. This is the actual electricity or energy used. If you use 1000 Watts or 1 Kilowatt of power for 1 hour then you consume 1 unit or 1 Kilowatt-Hour (kWH) of .....

 व्यापकको शाब्दिक अर्थ धेरै हो ।  फराकिलो , धेरै , समुन्नत व्यापकाका पर्यायवाची शब्द हुन् .....

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water. The neutralization of a strong acid and strong base has a pH .....

The characteristic properties of acids result from the presence of the H+ ion generated when an acid dissolves in water. It also explains why acids neutralize bases and vice versa. Acids provide the H+ ion;bases provide the .....

Acid,base and salt are three categories of chemicals found in chemistry. They are classified to make the process of understanding the properties of different compounds easier. Acids are the chemicals that produces H+ when dissolved in .....

Haath, bitta, mana, pathi, etc. are the local system of measurements. Suppose you go to a local market to buy cloth.   They measure with their arm. Some people's arm might be long and some may have small arms. So is it accurate? The .....

Some of the example of radiactive elements are uranium, plutonium, radium .....

Sun is a medium sized star. It consist of hot burning masses of gases. The main composition of it is hydrogen that occupies around 75%  of its total volume. Helium occupies slightly less than 25% of remaining volume. The hydrogen is .....

.....

In above question, weight of the body is highest in medium B and lowest in medium A. It means upthrust exerted by medium B is lowest and medium A is highest. It happens as weight of the body is inversely proportional to upthrust. And also, .....

Because the molecules are tightly packed in liquid but not as tightly as in solid.  A liquid has almost no empty space between the .....

The answer is .....

 I presume you want to know the word in english for "Bhumari". In english, the word for bhumari is "whirlpool" or .....

We have given  straight line passing through the pointP (-6,2) and perpendicular to the line joining the points Q(-3,2) and R(5,-3) Now find the slope of line QR m1= [y2-y1]/[x2-x1] Let m2 be the slope of required line  Then, .....

To find the ratio of p:q we need to find the volume. So, volume of sphere with radius  p cm = 4/3 π p3 Total volume of 125 spheres = V1 = 125X   4/3 π p3 Again, volume of sphere with radius q cm = V2 = .....

You may have seen a  bug which produces light and glows at night. This is called a firefly. Many of you might have chased and played with fireflies during summer. Fire flies have a special kind of substance, i.e. luciferin in their .....

Any angle whose measures is greater than 0o and less than 90o is called an acute angle. Examples are 30o angle 70o angle 89o angle .....

Here LHS is long and complicated, so take it and simplify to get RHS. Here  we use the trigonometric rules :             2 Sin A  Sin B = Cos (A-B) - Cos (A+B)            2 Cos .....

Here we have given, 3cosA = 2, We need to show that: 6sin2A = 5cosA. For this, 3cosA = 2, or, cosA = 2/ 3 So, sinA = √ ( 1 -  cos2A )  Find SinA  Then take LHS And keep value of sinA and .....

I think your question is wrong. You should make RHS = 2 ( cos4θ + sin4θ) And try to follow the given steps. Consides RHS = 2 ( cos4θ + sin4θ) = 2 ( (cos2θ)2 + (sin2θ)2) It is in the form of .....

In Nepal, a Kumari is a girl selected from the Shakya or Bajracharya clan of the .....

As we know  

Integers are a special group or category of numbers that:

प्रश्न नै लेखेर पठाउनुहोस् न ल .....

प्रश्न नै लेखेर पठाउनुहोस् न ल .....

प्रश्न नै लेखेर पठाउनुहोस् न ल .....

We have given, The capacity of a closed cylindrical tank of height = h = 2metre is 3080 litre = V . We need to find the diameter of the base. Here volume =  3080 litres = 3080x 1000cm3   [ since 1 liter =  .....

13. pot and map 14. fan and photo 15. bag and bulb 16. van and save 17. man and same 18. yak and yatch 19. red and carry 20. late and sell 21 walk and wall 22 wish and chef 23 sun and miss 24 house and .....

Let us take example,  In O2, there are 2 atoms of oxygen. This is called atomicity. So, Atomicity is the total number of atoms present in one molecule of an element, compound or a .....