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Here, S.P. of mobile set = Rs. 8330 Loss percent = 2% We know, Loss percent =( C.P. - S.P.) ∕ C.P. ∗100 Find the value of C.P. from this formula. Then, Profit percent = 7% Again, Profit percent = (S.P. - C.P.) ∕ .....

Cos 285o = Cos ( 360o  -75o ) = Cos 75o = Cos ( 45o + 30o ) = Cos 45o Cos 30o  - Sin 45o Sin 30o now use values of trigonometric ratios and .....

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Slope of line 2x + 3y = 1 is m1  =  - ( 2  /  3 ) slope of 4x + 5y = 2 is  m2 =  - ( 4 / 5 ) we know θ = tan-1   ( m1 - m2 ) / ( 1 - m1m2) use the given value of m1 and .....

( 7 / 12 )  = ( 7   x  4 ) / ( 12 x 4 ) = 28/48 ( 11/16 ) = ( 11 x 3 / 12  x 3 ) = ( 33 / 48) so can you tell which one is .....

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Possessive pronouns are mine, yours, his, hers, ours and theirs.  They occur alone in a sentence.  They are not used before nouns.  Examples:  a. This  bag is mine.  b. A friend of mine told me that he was going to .....

Is there any information given in .....

From figure, ∠PVW + ∠VWR = 180°   [Sum of co-interior angles.] x + 85° = 180° x = 180° - 85° Therefore,  x = .....

To find the co-interior angle just look for a 'C'  shape as shown by the red line in the figure. And the sum of co-interior angles is equal to 180°.  So in our case, the co-interior angle of ∠PST .....

If (p+q),q and (p-q) are in continuous proportion then:  p+qq=qp-q or, ( p + q ) ( p - q ) = q²       ( ∵ a² - b² = ( a + b ) ( a - b ) ) or, p² - q² = q² or, p² = q² .....

= ( p4 )² - ( q4 )² = ( p4 - q4 ) (  p4 + q4 )         ( ∵ a² - b² = ( a + b ) ( a - b )  )  = { ( p² )² - ( q² )² }(  .....

4a4 - 13a2b2 + 9b4 = (2)² (a²)² - 13a2b2 + (3)² (b²) = (2a²)² - 2 . 2a² . 3b² - a²b² + (3b²)²        (- 2 . 2a² . 3b² - a²b² .....

sin2θ + sinθ - 12 = sin2θ + sinθ - 4 ⨉ 3        ( ∵ 12 = 4 ⨉ 3  )  = sin2θ + 4 sinθ - 3 sinθ - 12 = sinθ ( sinθ + 4 ) - 3 ( .....

Answer: We know, 60 min = 1hour so, 1 min = 1/60 hours. To convert minute into hour, we have to divide the given quantity by 60. For example. Convert 5 min into hour. or, 60 minutes = 1 hour or, 1 minute = 1/60 hour or, 5 minutes = .....

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Heavy rainfall is one of the main causes of flood. When heavy rainfall occurs, the earth's surface cannot absorb all the water. Then, the water flows towards lakes, rivers or ponds. The more volume of water in lakes, rivers or ponds causes .....

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Magnetism has an extremely wide range of applications and makes virtually all of the electronic technical devices we have today possible. All motors and generators use magnetism to either create mechanical movement or generate electricity. Magnetic .....

Before starting the question let me make you clear about Potential and Kinetic Energy. Potential Energy: Potential energy is the energy stored in a body due to its position or height from the surface. It is calculated by using formula; Potential .....

A fraction where the numerator (the top number) is less than the denominator (the bottom number). Example: 1/4 (one quarter) and 5/6 (five-sixths) are proper .....

These act of kindness helps the needy person to come out of the desperate situation. It also helps the person to fight against the situation against all the odds and make the life better. The service offered by the individual also helps to build .....

Here, we have given,  ABCD is a square, CMEF is a rectangle, CF = CP and ∡CBP = ∡BMF. We need to prove that, ABCD  and CMEF are equal in area. For this, take two triangles △BMC&△BPC. i) ∡CBP .....

Some of the constitutional organs are CIAA, election commission, Public service commission and others. Part-21 clause 238 of the constitution of Nepal deals with the CIAA formation and the appointment of personnel in CIAA. According to the .....

सुगम      -    दुर्गम  अदृश्य      -    दृश्य  प्रकाशित    -  .....

Let the number of students who like maths be 'M' and who like science be 'S'. Given, Total number of students ( n (U) ) = 100 Number of students who like only math, not science ( no(M) ) = 20 Number of students who like .....

Given, Total number of students n(u) = 100 Students who passed in Math n(M) = 73 Students who passed in Nepali n(N) = 84                                  .....

Here,  Students like to play cricket = n(C) = 20 Students like to play vollyball = n(V) = 15 Each students play at  least one game, so  n(U) = n(CUV) = 30. Now, We know, n(CUV) = n(C) + n(V) - n(C∩V) Use values from above .....

Area of triangle CPD = 1∕2 ∗ Area of parallelogram ABCD ---------- [I] Area of triangle AQD = 1∕2 ∗ Area of parallelogram ABCD -----------[II] Then from equation [I] and equation [II], Area of triangle CPD = Area of .....