Students and Teachers Forum

He doesn't have any .....

When there is a call for action, we are calling for action words. .Action words are verbs, as you might guess, which are words that describe actions.  Examples: Help, ask, do, ply .....

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Here, we have given sequence 1, 3, 9, 27, 81,................. and r = 3. Limit of given sequence .....

Here,  In the given triangle ABC, sum of all the angles is 180o .  So, ∡A + ∡B + ∡C = 180o   or, 30o + x + x = 180o  ( Since ∡B= x and ∡C = x , From question) or, 2x = 180o - .....

Zinc and mercury are two metal which are neither malleable and .....

Here, Range (R) = L - S  And, L + S = 40 Coefficient = 2/4 = 1/2  or, [ L - S ] /  [ L +S] = 1/2 or, R / 40 = 1/2 or, R  = 40/2 = 20. Thus, range = .....

b) Here,  In the given triangle DEF, sum of all the angles is 180o .  So, ∡D + ∡E + ∡F = 180o   or, 100o + ∡E + ∡E = 180o   [ Since, ∡F = ∡E.] or, 2∡E = .....

Let angles of a triangle ABC are A =  (2x/3)g = (2x/3 ⨯9/10)o = (3x/5)o B = (3x/2)o and  C = (πx/75)c = (πx/75⨯ 180/π)o = (12x/5)o. Since, sum of the angles of a triangle is 180o .....

Here, tn  = 1/(n + 1), For n = 1, t1  = 1/(1 + 1) = 1/2. For n = 2, t 2  = 1/(2 + 1) = 1/3. For n = 3, t3  = 1/(3 + 1) = 1/4. Similarly find others. Limit value of .....

Here, In triangle OBC, BC = BO + OC = - OB + OC  = -b + c. AD = BC  = -b + c         [ Opposite sides of //gm.] In triangle AOD,  OD = OA + AD  = a - b + .....

Here, Move th e decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, .....

Here, we have given, Area of circle (A) = 154cm2 Let, radius of circle be r. We know,         Area of circle =  πr2 or, 154 = 22/7  x r2   [ π = 3.14] or, r2 = 154 x 7/22 or, .....

Is the given question is .....

Here, we need to find limit of f(x) = 3x - 1 at x =6, Fro this, x 5.5 5.9 5.99 6.01 6.1 f(x)=3x-1 15.5 16.7 16.97 17.03 17.3 From the table, by rounding off the value of f(x), we get f(x) = 17 .....

To be undefined, denominator of the given function must be zero, i.e; 2x - 4 = 0  or,2 x = 4 Or, x = 2. Hence the rquired value of x is .....

Range of data = Largest term - smmallest term  So, R = L - .....

Here,  Let n(p) and n(c) be the number of students who liked Pokhara and Chitwan respectively. n(U) = 500 ..Please check the question. How many like Pokhara it is not .....

Here, no(L) = 70 no(A) = 16. But, n(L) = 3n(A) or, no(L) + n(L∩A) = 3{no(A) +  n(L∩A)} or, 70 +  n(L∩A) = 3 x 16 + 3 n(L∩A) or, 70 - 48 = 3 n(L∩A) -  n(L∩A) or, 22 = 2 n(L∩A) or,  n(L∩A) = .....

Please post the clear question. You can post the image of the question .....

We grow by taking healthy food and regular .....

There are 32 teeth in a full grown .....

Here, Table for calculation of mean: Marks(x) No.of .....

अपूर्ण भविष्यत् काल पछिको समय वा भविष्यत् कालमा कार्य हुँदै गरेको बुझाउने क्रियाको पक्षलाई .....

Here, DE and BF are bisector of ∡D and ∡B repectively. So, a) ∡ADE = ∡CDE = ∡ABF = ∡CBF [  ∡D = ∡B, being opposite angles of                          .....

Let p(x, y) be the coordinates of A. Then, under f, A(x, y)------reflection in x = h --------->A'(2k - x, y) For, x - 1=0  ⟹ x = 1, A'(2 - x, y). Again, under g, A'(2-x, y) ----------------Rotation, .....

i) 200' 500" = (200 + 500/100)'   [ Since, 100" = 1'.] = 205' = (205/100)g    [ Since, 100' = 1 .....

Here, √72+√128/14 = √(2.2.2.3.3)+√(2.2.2.2.2.2.2)/14 = 2.3√2 + 2.2.2√​​​​​​​2/14 = 6√2 + .....

Here, Tan x + tan 2x + tan 3x - tan x tan 2x tan 3x = 0  or, tan x + tan 2x + tan 3x ( 1 - tan x tan 2x ) = 0  or,tan x + tan 2x = - tan 3x ( 1 - tan x tan 2x )  or, ( tan x + tan 2x )/ ( 1 - tan x tan 2x ) = - tan .....

Here, First expression = 8a3 - 27 = (2a)3 - 33 = (2a - 3){(2a)2 + 2a.3 + 32} = (2a - 3)(4a2 + 6a + 9) Second expression = 4a2 - 9  = (2a)2 - 32 = (2a + 3)(2a - 3) Third expression = 4a2 - 12a + 9 = .....

Here,  (3x+2 + 3x-2)/3x. =  (3x.32 + 3x .3-2)/3x. = 3x(32 + 3-2)/3x = 9 + 1/9 = .....

Here is an example: Please look it and try your quaestion. The cost of carpeting of a square room at the rate of 75 per sq. meter is Rs 4800. If the cost of plastering its walls at Rs 25 per sq.meter is Rs.4000, Find the height of the .....

Here, Area of cross-section = 6cm x 3cm  + 2cm  x 2cm                                  A   = 22cm2. Perimeter of cross-section = 6cm + 3cm + .....

I think this question is incomplete or wrong. Please check the question .....

Short method: We know, or, 53 = a3 + b3 + 3 x 6 x 5 Find .....

Here, AC = 3AB or, OC - OA = 3(OB - OA) or, OC = 3OB - 3OA + OA or, OC = 3 OB - 2 OA or, OC = 3b - .....

Here, We know, πc = 180o. Now, 2cos²π/4 + sinπ/6 + ½ cosπ - tanπ/4  = 2cos²45o + sin30o + ½ cos180o - tan45o Using value of them, we get = 2 (1/√2)2 + 1/2 + 1/2 (-1) - 1 = .....

Here, (1+sec20)(1+sec40)(1+sec80) =  Then, LHS = (sec2 10-1)(1+sec20)(1+sec40)(1+sec80) = (sec2 10-1) . cot210 = tan210 . cot210 = 1 = .....

The equation of straight line parallel to x-axis and at a distance of a units is  y = .....

Here we have given that intercepts are equal . i.e; a = b So equation of st.line in double intercept form is x / a + y / b = 1 or x / a + y / a x  + y  = a........................i ) Since it passes through (4, -5) so put x = .....

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Here, tan5x = tan3x or, sin5x/cos5x = sin3x/cos3x or, sin5x.cos3x = sin5x.cos5x or, sin5x.cos3x - cos5x. sin3x = 0 or, sin(5x - 3x) = 0 or, sin2x = 0 or, sin2x = sin0 ans sin180 or, x = 0 and .....

Here, Remaining Apple = 180 kg - 1/3 of 180kg = 120kg. Total CP = 180 x 70 = 12600 SP = CP + P% of CP      = Rs.12600 + 35/100 x 12600       = Rs.17010. Which is SP of 120kg. So, SP of 1 kg = 17010/120 = .....

Here, AB is common chord of both the circles. We kow, common chord AB is perpendicular to the line joining the centre of circle PQ. So, PQ is perpendicular to MN.                    [ AB // .....

Given: AB and CD are two equal chords of a circle with Centre O. L is the midpoint of AB and M is the midpoint of CD. To Prove: (i) ∠OLM = ∠OML  (ii) ∠ALM = ∠CML Proof: L is the midpoint of chord AB of circle with Centre O. OL .....

Length of vector means, magnitude of vector. Which can be calculated by the formula, Magnitude of vector = √{(x-component)2 + .....

There are about 195 countries in the .....

Did you mean left hand .....

Here, x = {0, 2, 4} y = 3x. When, x =  0 y = 3x = 3 ⨯ 0 = 0 When, x =  2 y = 3x = 3 ⨯ 2 = 6 When, x =  4 y = 3x = 3 ⨯ 4 = 12. Thus, Range = y = {0, 6 , .....