Here, Volume of cylinder = 2156cm3. Radius = 14cm / 2 = 7cm We know,  V = πr2h or, 2156 = 22/ 7 . 7cm . 7cm . h or, h = 2156( 22 ⨯7) Find .....

Here, The present price of motorcycle = P =  Rs. 2,25,000.  depreciated rate = R =  8%  price  after depreciated = PT = Rs. 1,75,204.80 time = T = ? We know,        PT  = P( 1 - .....

Here, SP with VAT = Rs.5763 VAT % = 13% We know, SP with VAT = SP + VAT% of SP or, 5763 = 113SP/100 or, SP = 5763 ⨯ 100/113 Find it. Then  VAT amount =  SP with VAT - SP Calculate .....

Here, ∡NMP = xo, Then,  ∡NOP = 2 of ∡NMP    [Since,  Central angle is twice of inscribed angle at same arc.]                        = .....

The relation between the area of the parallelogram PQRS and the triangle QTR is  Triangle QTR = 1/2 of parallelogram PQRS.                                .....

The formula to find the value of lower quartile (Q1) of  a continuous series is  Q1 = L + i(N/4 - cf) / f Where, L = lower limit of Q1 class i = class height f =  corresponding frequecncy N = total no.of observation .....

Here, xa-b ⨯ xb-1  =  xa-b+b-1       [ Since, xm . xn = xm+n.] = .....

Here,  Perimeter of given triangle is  P = a + b + c  So, Semi-perimeter = P/2 = ( a + b + .....

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Here, ago and after 3 years gap in years = 3 + 3 = 6 Thus, father will be 40 + 6 & son will bw 10 + .....

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Here,    a2/(a - b) + b2/(b - a) =  a2/(a - b) - b2/(a - b) Taking LCM we get =  [a2- b2] / (a - b) Factorizing numerator, we get = ( a + b)( a - b) / (a - b) Can you get the final answer .....

Here,  For definite value of given expression or to be defined, denominator should not be zero. i,e; q(x) & s(x) must not be .....

Here,  : xx-yx-z+yy-zy-x+zz-xz-y Arranging we get : =  -xx-yz-x- yy-zx-y-zz-xy-z Taking LCM we get =  x(y - z) - y(z - x) - z(x - y)x-yy - z) (z-x Now open bracket and find the .....

Here,  a2x = b6y, or, a = b6y/2x, or, a =  .....

By question, am = 1 am = a0 Equating , we get, m = .....

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When two surds are like terms, their roots are same. That is, m = 2m - 1 or, 2m - m = 1 So, m = .....

√( x + 13 ) = 5 Squaring both sides, we get, [ √(x + 13) ]2 = 52 x + 13 = 25 x = 25 - 13 x = .....

√( x - 9 ) = 4 Squaring both sides, we get, [√( x - 9 ) ]2 = 42 x - 9 = 16 x = 16 + 9 x = .....

Rationalizing factor of √a + √b is √a .....

n denotes the power of the root in n√a. For example. 2√a - Square root of a 3√a - Cube root of .....

Here, 1st expression = 3x 2nd expression = 6x                           = 2 ∗ 3x Hence, HCF = .....

Here, 1st expression =  x( a - b) 2nd expression = y( b - a )                          = -y( a - b ) Hence, HCF = ( a - b .....

If the HCF and LCM of two expression p(x) and q(x) are f(x) and g(x) then, the relation between them is, Product of LCM and HCF = Product of expression or, p(x) ⨉ q(x) = f(x) ⨉ .....

Here, Digit in the unit place (y) = 2 Digit in the 10th place (x) = 6 Hence the number becomes 10x + y, i.e 10x + y = 10 ∗ 6 + 2 = 62 Reversed number = 10y + x = 10 ∗ 2 + 6 = .....

Here,   a(a+b)+b(a+b)-a(a+2b) Opening bracket, we get = a2 + ab + ab + b2 - a2 - 2ab =  2ab - 2ab + b2 = b2 Which is your .....

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Concentrated solution has high concentration of solute in solvant i.e, moles of solute per litre of solution are high. Dilute solution has much less concentration of solute.

For eg pure Citric acid is concentrated but if you add .....

प्रश्नले के भनेको हो, प्रष्ट भएन त साथी .....

A strong democratic scholar Sukraraj Shastri was hanged 9th Mag 1997 BS at Panchali.  Darma Bhakta Mathema was hanged on 11th Mag at Siphal and Dasharath Chand and Gangalal were shut by gun at Bishnumati. But Tanka Prasad Acharya who was .....

Staminate Flower Pistillate Flower i)A staminateflower is a male flower, bearing only stamens. i)A pistillate flower is female, bearing only pistils. ii)It consists of anther and filament. ii)It .....

We have,  2 Sin2θ + 3 Cosθ = 3 or, 2(1- cos2θ) + 3 cosθ = 3 or, 2 - 2cos2θ + 3 cosθ = 3 or, 2cos2θ - 3cosθ + 1 = 0 or, 2cos2θ - 2cosθ - cosθ + 1 = 0 or, 2cosθ( .....

A dialogue between a shopkeeper and a customer is prepared below. Shopkeeper : Hi young lady. How may I help You? Customer    : Well...... Yeah. I'm looking for a Father's Day's Gift. Shopkeeper : Okay. How about getting .....

It was the year 1942 B.S. when a battalion of Nepalese army was about to go to Rawalpindi to participate in an army demonstration under the leadership of Bir Shamsher. Seizing this opportunity of having a group of the army at disposal, Bir .....

Root system Shoot system i) Root system includes the roots , tubers, and rhizomes. i)Shoot system includes leaves, buds, flowers, stems and fruits ii) It occurs beneath the .....

Maize seed Pea seed 1. The seed have only one cotyledon. 2.  Embryo is very small. 3. Plumule and radicle are very small. 1. The seeds have teo cotyledons. 2. Embryo is large. 3.Plumule and radicle are big .....

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Here, we need to solve for x.      2 √3 sin2x = cosx   or, 2 √3( 1 - cos2x) - cosx = 0         [ Since, sin2x  = 1 - cos2x.] or, 2 √3cos2x + cosx .....

2 cos2x - cos x - 1= 0 2 cos2x - 2cos x +cos x - 1= 0 2cos x (cos x - 1) + (1 cos x - 1) = 0 (cos x - 1) (2cos x + 1) = 0 Either, (cos x - 1) = 0 ..............(1) or, (2cos x + 1) = 0 ................(2) from (1) (cos x - 1) = .....

4 sec2θ - 7 tan2θ=3 4 (1 + tan2θ) - 7 tan2θ=3             [sec2θ = 1 + tan2θ] 4 + 4tan2θ - 7 tan2θ=3 -3tan2θ = 3 -4 -3tan2θ = .....

√2 Cos2θ - Cos θ = 0 or, Cos θ (√2 Cos θ - 1) = 0 Either,  Cos θ = 0, Cos θ = Cos 90⁰ θ = 90⁰ or, √2 Cos θ - 1 = 0 √2 Cos θ = 1 Cos θ = .....

Satyagraha is a peaceful, non-violent and civil disobedient movement. It was launched by Nepali Congress in 2042 BS to fight against the Panchayat system. Nepali Congress practised it to restore multi-party democracy in Nepal. Nepali .....

The referendum was held on 2037 BS. In the referendum, people were asked to choose between two options - Reformed Panchayat System or Multi-Party Democratic System. The result of the referendum was that the party-less panchayat system got .....

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