Students and Teachers Forum
Solution: Let the length of the box (l) be x. From the question, width of the box (b) = 2/3 of x =2x/3 Height of the box (h) =1/3 of .....
If the equilateral triangle is of side length 'a', then Area = (√3/4) X a .....
∡QPS = ∡PRS, show that ∆PQS ∼ ∆PQR and find the length of SR. 1. In ∆PQS and ∆PQR, i) ∡QPS = ∡PRS (Given) ii) ∡PQS .....
The four action words are as follows: - Catch - Jump - Play - .....
Let, a be the length of the cube. Now, volume of the cube = 125 cm3 or,a3 = 125 or, a3 = 53 Therefore, a = 5 cm Now, TSA of the cube = 6a2 = 6 × 52 = 150 .....
Let, x % of 85 = 51 or, x / 100 × 85 = 51 or, x = 5100 / 85 = 60 .....
Tell the question .....
In such case, selling price is calculated using formula: CP (100 + P%) SP = .....
Let, 2x and 3x be the numbers in ratio 2 : 3. Now, by the question, 2x + 3x = 525 or, 5x = 525 Therefore, x = 525 / 5 = 105 Now, first number = 2x = 2×105 = 210 second number = 3x = 3×105 = .....
Here, Area of base = 50cm2 or, πr2 = 50cm2 or, 22/7 x r2 = 50cm2 or,r2 = 50cm2 x7/22 or, r = 3.99cm Hence, radius of base = .....
Wheel and axle is called the continuous lever because the fulcrum of wheel and axle is at the center of .....
a) (2x+4), (x2 - 4) = 2(x+2), (x+2) (x-2) = (x+2) is the H.C.F b) (3a - 6), .....
Here, Circumference of greatest circle(C) = π Let the radius of greatest circle be 'r'. or, C = 2πr = π Therefore, r = 1/2 cm. Now, We know, Volume of sphere = 4/3 πr3 = 4/3 π(1/2)3 = .....
We have, LHS = sec2A - cosec2A = 1 + tan2A - ( 1 + cot2A) = 1 + tan2A - 1 - cot2A = tan2A - cot2A .....
We have, LHS = sin2A + sin2A.tan2A = sin2A( 1 + tan2A) = sin2A (sec2A) = sin2A / cos2A = .....
NPA stands for Non Performing Asset. It means a loan or an account of borrower which has been classified by a bank or financial institution as sub-standard, doubtful or loss asset. They are the assets which don't generate regular .....
Let a body of mass m falls from a point A, which is at a height h from the ground as shown in fig. At A, Kinetic energy kE = 0 Potential energy Ep = mgh Total energy E = Ep + kE = mgh + 0= .....
हामी नेपाली आफ्नो संस्कृतिको बचाउने काम गर्नु पर्छ । बाहिरी मुलुकमा अरुले के गर्दै छन्् भनेर .....
अहिलेको समय अरुको संस्कृतिको पछाडि लाग्ने संस्कार रहेको छ । मानिसमा विलासीपन बढ्दै गएको छ । .....
Let , x be the veriable, Then if 2 and 3 are roots of a quadratic equation, (x - 2) ( x- 3) = 0 or, x ( x- 3) - 2 ( x- 3) = 0 or, x2 - 3x - 2x + 6 = 0 or, x2 - 5x + 6 = 0 Hence, x2 - 5x + 6 = 0 .....
Here, Area of field = A = l x b = 25m x 20 = 500m2 Rate = R = Rs.200/m2 Total cost = A x R = ................find it. Again, No.of stone = N = 8000 Area of stone = a = ? We know, N = A/a or, .....
Here, the size of each triangular stone is given, a = 10 cm, b = 15 cm, c = 20 cm (suppose) Now, Find the area of each triangular stone using formula, Area of triangle = √{s (s - a) (s - b) (s - c)} Where, s .....
Conclusion: The thicker rubber band has a lower pitch. As the thickness of a vibrating material increases, the rate of vibration decreases, and the sharpness also decreases. Likewise, as the thickness of the vibrating material .....
Here, TSA of cylinder, V=188 cm2. Height of the cylinder, h = 7 cm. We know TSA of the cylinder, A= πr( r + h) Or, 188 = 22/7 x r( r +7) Or, .....
Telephone
Modern man enjoys a number of wonderful gifts of science. The telephone is one of them. It is the quickest means of conveying messages from one place to another. After the invention of this instrument, man has conquered time and .....
This atomic energy includes the potential energies of subatomic particles and the energy required to hold the electrons in orbitals around the .....
An ideal machine is the one which has 100% efficiency. In ideal machine, input work is equal to output work. In practice, we can't obtain an ideal machine because due to friction, some input work is converted to heat and sound .....