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Here,  15b²(2-3a)+5a(5+4b) When a=0and b=-1, given polinomials becomes, = 15(-1)²(2-3⨯ 0)+5⨯0(5+4(-1))   [ Since, putting a=0and b=-1.] = 15 (2 - 0) + 0(5 - 4) = 30 + 0 (1) = 30 + 0 = .....

The bright half is exposed to the Sun, and at the equator will be quite warm as a result. The dark part is the night time side, and gets s cold as -140F. Because of the Moon's synchronous rotation (i.e. rotation and revolution are the same .....

Here, given  fog = {(5, 6), (4, 5), (6, 4)} f = {(1, 5), (2, 4), (3, 6)} Now, representing above in arrow diagram, From above g = {(5, 3), (4, 1), (6, 2)} Therefore, g-1= {(3, 5), (1, 4), (2, .....

Tie a given iron bar at its middle with silk or nylon thread and suspend it freely.  If it comes at rest pointing the north-south directions move it gently to disturb the direction.  If it remains in N-S direction again and again the .....

Here, the given vertices of triangle EFG are E(-1, -3), F(-4, 5) and G(2, 2). Now, under the reflection about x-axis, P(x, y) → P (x, -y)  Then, E(-1, -3)  →   E'(-1, 3) F(-4, 5)   →  .....

Here, the given vertices of  XYZ are X(2, -7), Y(-4, -8) and Z(3, -5). Under the reflection about y-axis, P(x, y) → P'(- x, y)  Then,  X(2, -7) → X'(-2, -7)  Y(-4, .....

Here, the given vertices of △ABC are A(3, 6), B (2, 4) and C (5, 7). Under the reflection about x-axis, P(x, y) → P'( x, -y)  Then,  A(3, 6) → A'(3, -6) B (2, 4) → B' (2, -4) C .....

Tie a given iron bar at its middle with silk or nylon thread and suspend it freely.  If it comes at rest pointing the north-south directions move it gently to disturb the direction.  If it remains in N-S direction again and again the .....

1. अनेकार्थी 2. .....

Mediterranean climates have warm summers and short, mild, rainy winters. Mediterranean climates are found on the west coasts of continents between 30° and 40° latitude, and along the shores of the Mediterranean Sea. Mediterranean summers .....

Here,   P = { 2, 3, 5, 7} & Q = { 3, 6, 9} Now,  (i) P U Q =  { 2, 3, 5, 7} U{ 3, 6 ,9}                = { 2, 3,  5, 6, 7, 9} Red part is PUQ.   (ii) P∩Q { .....

Here,   (a - 2)/(a2 - 1) - (a + 1)/(a2 - 2a + 1). To simplify it, we need to factorize the denominator. So,  =  (a - 2)/(a2 - 12) - (a + 1)/(a2 - 2.a .1 + 12). Now, using the formula, a2 - b2 = .....

Here,  To convert the % into fraction we need to divide by 100. So, for 5%, to change into %,  5% = 5/100        = 1/20  ( fraction)        = 0.05. (decimal). Similarly try .....

Three equipments are: 1.Compass : A compass uses a magnet to direct its needle to the north pole. This is why magnets are said to have a north and south pole. 2.  .....

Mt. Kanchanjunga is the third highest mountain in the world. It is also ranked second highest mountain in Nepal. The highest is Mt. Everest with 8848m height. The height of Mt. Kanchanjunga is 8586m. It is located in Taplejung district of .....

Look at the provincial map of Nepal and count the number of provinces in .....

Conflict means dispute and disagreement among the people in society. In other words, it is a misunderstanding and disagreement among people in terms of power and resources. It arises when people have different opinions and different understanding .....

A body floats up in a liquid if its density is less then the liquid. Explanation: If the density of an object in the fluid is greater than the density of the fluid, the object will sink. If the .....

Here,  Total no.of cards = n(S) = 52 No.of black cards = n(B) = 26 No.of red cards = n(R) = 26 Now,  Probability of getting both are black = P(B) . P(B)                       .....

Here,   (a - 2)/(a2 + 4a + 4) - (a + 1)/(a2 - 4). To simplify, we need to factorize the denomenator. = (a - 2)/(a2 + 2.a .2+ 22) - (a + 1)/(a2 - 22). = (a - 2)/(a + .....

Conflict means dispute and disagreement among the people in society In other words, it is a misunderstanding and disagreement among people in terms of power and resources. It arises when people have different opinions and different understanding .....

As we know, to change the fraction and decimals in to percent(%), we need to multiply it by 100. So,  (a) To change 3/4 in to %  3/4 = 3/4 ⨯ 100%       = 3 ⨯ 25%       = .....

Note: Now your task is to show the difference in the table .....

17(a) Here, radius of base = d/2 = 7cm/2 = 3.5cm. Height of cylinder = H = 27cm Height of cone = h = 39cm - 27cm = 12cm Now, slant height of cone = l = √(h2 + r2) = √(122 + 3.52) = 12.5cm Finally,  CSA of .....

सुरेश अनुशासित खेलाडी हो .....

A procedure is an established method of accomplishing a task, usually with steps that are performed in a prescribed .....

Discipline is a value to be inculcated in childhood. Discipline refers to punctuality, following of rules and being organised in every aspect of our life. This makes it easy to complete our different tasks and activities efficiently and achieve .....

Here,   A = {1, 2, 3, 4, 5} & B = { 2, 4 ,6, 8} Now,  (i) A U B =  {1, 2, 3, 4, 5} U{ 2, 4 ,6, 8}                = {1, 2, 3, 4, 5, 6, 8} Red part is AUB.   (ii) .....

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= 0.442 = 442 / 1000 = 221 / .....

The Composition of the House of Representatives: According to the present constitution of Nepal, the House of Representative shall consist of 275 members as follow: - 165 members are elected through the First-Past-the-Post electoral system.   .....

A disease is a change from the normal state of a being to one that is harmful to the individual. A disease will be classified as a specific medical condition and will have signs and symptoms that are associated with it. Often different diseases .....

Here,  a(a+4)+3a(2a²-1)+4a²+4,  When, a = - 2,  a(a+4)+3a(2a²-1)+4a²+4 = -2(-2 + 4) + 3(-2) {2(-2)2 - 1} + 4(-2)2 + 4   [ Since, putting a = -2.] = -2(2) - 6( 8 - 1) + 16 + 4 = - 4 - 6(7) .....

Study the things below which help you to know about the medieval period. Medieval period started in 880BS and ended to 1769 AD. Malla rule during this period. The social condition of Nepal during this period is briefly discussed below. Medieval .....

Flood is an overflow of a large amount of water beyond its normal limits. The overflow, especially over what is normally dry land. In other words, flood is an overflow of water that submerges land that is usually dry. Look at the picture below to .....

The baby of Tiger is called .....

We should select good leaders to protect nationality for the following reasons: - A good leader fulfills his/her promises to maintain social harmony which helps to protect our nationality. - A good leader works to address the rights, voices and .....

The word 'Nationality' is derived from the word 'Nation'. This means the status of belonging to a particular nation by birth or naturalization is known as nationality. Nationality is a legal relationship between an .....

King Prithivi Narayan Shah was the king of Gorkha. He was an able ruler of his state.  He was anxious for the security of the then scattered kingdoms of Nepal which were likely to go in the hand of foreign aggressors.  Prithivi Narayan .....