Although sun is continuously pulling all planets and satellites but they don't fall over it because: - gravitational force (towards the centre) is balanced by the centrifugal force (away from the centre). - Planets and satellites move very .....

The suggestive measures to solve the above mentioned problems are mentioned in the points below: - The political instability should be settled and the government should focus on developing infrastructure for tourism development. - The government .....

Let P(x,y) be the coordinate of the moving point. According to question, mPA = nPB Squaring both sides, we get      m2[PA2]  = n2[PB2] or, m[(a - x)2 + (0 - y)2]= n2[(a + x)2 + (0 - y)2]    .....

Here, We have given, ( - a - x)2 Taking - common, = [ - ( a + x)]2 = (-)2 ( a + x)2 = ( a + x)2        [ Since, square of - is +.] Can you expand it by using formula ( a + b)2 = a2 + 2ab + .....

Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water.  Animals cannot make their own food so they must eat plants and/or .....

You know that many Nepalese youths have gone to different countries for foreign employment. The work there and earn money. They send the money to their home country. The money they send to their home country is what we call remittance. In .....

Arrange the given data is ascending order,  12, 12, 15, 18, 18, 25,32, 32, 33, 33, 35, 38, 39, 40, 43, 45, 46, 51, 57, 59.   Table for calculation of Q3.    Marks (C.I.) No.of .....

Here,  Arranging in ascending order: 21, 22, 32, 32, 35,38, 39, 40, 43, 45, 46, 51, 51, 52, 57, 59, 60, 63, 63, 79 Let's make a frequency table:   Marks obtained Frequency .....

Here, Wehave given c.f. table so we have to make frequency table. Table for Q1     Marks (x)  No.of dtudents(f) c.f. 0-20 12 12 20-40 15 - 12 =3 15 40-60 26 - 15 = .....

Here,    Marks obtained No. of students (f) cf 0-15 8 8 15-30 6 14 30-45 12 26 45-60 15 41 60-75 7 48 N = 48 Now,  Position of .....

In 2 days, Shyam can do 1 ∕ 5 part of piece of work. In 1 day, Shyam can do 1 ∕ ( 5∗2) part of piece of work. In 1 day, Shyam can do 1 ∕  10 part of piece of work. In 3 days, Shyam can do 3 ∕  10 part of .....

Here,  Table for Q1     Weight (x)  No.of .....

Here, X+1÷2=4÷3 or, X+1/2=4/3 or, (2X+1)/2=4/3 or, 6x + 3 = 8 or, x = .....

Here, Wehave given c.f. table so we have to make frequenvy table. Table for Q1     Marks (x)  No.of dtudents(f) c.f. 20-30 5 5 30-40 9 - 5 =4 9 40-50 14 - 9 = .....

Here,  Table for calculation of   Lower Quartile   Wages(x) No.of workers (f) c.f. 100 - 200  4  4 200 - 300  9  13 300 - .....

Here,  Table for calculation of   Lower Quartile   Wages(x) No.of workers (f) c.f. 50 - 65  7  7 65 - 80  3  10 80 - .....

Here, a) 2x/3 = 4/6 or, 12x = 12 so, x = 1 b) x - 1/4 = 3 or, (4x - 1)/4 = 3    [take LCM = 4] or, 4x - 1 = 12 or, x = .....

Here,   Marks obtained No.of students (f) cf 10-20 2 2 20-30 5 7 30-40 7 14 40-50 6 20 50-60 3 23 60-70 2 25 N = .....

Here,   Marks obtained f cf 10-20 4 4 20-30 6 10 30-40 15 25 40-50 p 25+ p 50-60 5 30 + p Median = 40 so, Median class = 30-40 Median = L + {(N/2 .....

Here,   x f cf 5-15 5 5 15-25 8 13 25-35 10 23 35-45 9 32 45-55 11 43 55-65 1 44  N = 44 Median position = (N/2)th .....

Here, LHS = sinA/(1 + cosA) + sinA/(1- cosA)            =  (sinA - sinAcosA + sinA + sinAcosA)/(1-cos2A)             Take LCM (1 + .....

Here, LHS = tanθ/(secθ - 1) - sinθ/(1 + c/osθ) Put tanθ = sinθ/cosθ and secθ = 1/cosθ Then do simplify you will get, LHS = {sinθ/(1- cosθ)}   -   {sinθ/(1 .....

Here, LHS = cos2A/(1-tanA)+⁡sin2A/(1-cotA)         = cos2A/(1-sinA/cosA)+⁡sin2A/(1- cosA/sinA) [Since, tan = sin/cos & cot = cos/sin.]        = cos3A/(cosA - sinA) + sin3A/(sinA - .....

Diploid chromosome Haploid Chromosome 1. Diploid cells contain two complete sets (2n) of chromosomes. 1. Haploid cells have half the number of chromosomes (n) as diploid - i.e. a haploid cell contains only one .....

Hello Sarik, please mention the question number to be get .....

Here,   Marks obtained f cf 0-10 5 5 10-20 12 17 20-30 30 47 30-40 10 57 40-50 8 65 50-60 5 70 N = 70 Median position = (N/2)th .....

Here,   Class frequency (f) cf 0-30 5 5 30-60 10 15 60-90 22 37 90-120 25 62 120-150 14 76 150-180 4 80 N = 80 Median position = .....

Here, We need to find sum of  4+7+10+.........Till 12 terms a = 4,  d = 7 - 4 = 3 n = 12 S12 = ? We know,  Sn = n/2 [ 2a + (n - 1)d]      = 12/2 [ 2 ⨯4 + ( 12- 1)3]      = 6 .....

Here,   Wages No. of workers (f) cf 50-60 8 8 60-70 11 19 70-80 10 29 80-90 6 35 90-100 3 38 N = 38 Median position = (N/2)th .....

Here,   Marks obtained No. of students(f) cf 10-20 4 4 20-30 6 10 30-40 10 20 40-50 7 27 50-60 3 30 Median position = (N/2)th .....

Potential energy to kinetic .....

Potential energy to kinetic .....

Potential energy to kinetic .....

Potential energy to Kinetic .....

Chemical potential energy to kinetic .....

Light energy is being converted to chemical potential .....

This electrical energy is converted into heat and .....

Firstly, convert the given mixed fraction into improper fraction.   347 = 3×7+47 = 257 Now, divide 25 by 7 to get decimal number.   257 = .....

When writing a field report you need to: Systematically observe and accurately record the varying aspects of a situation. Always approach your field study with a detailed plan about what you will observe, where you should conduct your observations .....

Here, LHS = 1/(1 - cosθ)   +   1/(1+ cosθ)            =   (1 - cosθ +1 + cosθ)/ (1 - cos2θ)   [taking .....

We know, ⋖P + ⋖Q + ⋖R = 180 [ Sum of angles of a triangle ] ⋖P + 75 + 35 = 180 ⋖P = 180 - 110 ⋖P = 70 On constructing a triangle based on following values of angles. Opposite side of ⋖P is QR, opposite side of ⋖Q .....

The advantages of empathy and cooperation are as follows: - Empathy and cooperation help to enhance the understanding of others more precisely. - Empathy and cooperation help to maintain social harmony in our society. - Empathy and .....