Students and Teachers Forum
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Here, we know, AQ = √(0 - 3)2 + (2 - 2)2 = 3 AQ = BQ = 3 AB = √(0-3)2 + (2 + 1)2 = .....
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Here, The equation of line AB is, (y - y1) = {(y2 - y1) (x - x1)}/(x2 - x1) Take points A(0, 2) = A(x1, y1) and B(3 , - 1) = B(x2, y2) now solve the above equation. Also, slope of AB(m1) = (y2 - y1)/ (x2 - .....
Here, p is the mid-point so, point p = (0+3)/2 , (2-1)/2 .....
Here, M(6, 2) and let N(x, y) We know that, centre is the mid-point of the diameter MN. So, using mid-point formula, (3, 2) = ( 6 + .....
During the 1930s, many politicians in both Britain and France came to see that the terms of the treaty of Versailles was unfair to Germany. When Germany began re-arming in 1934, many politicians argued that a stronger Germany would .....
Here, sinα + sinβ = x.....................(i) and cosα + cosβ = y ...................(ii) Squaring and adding, we get (sinα + sinβ)2 + ( cosα + cosβ)2 = x2 + y2, Simplify and get 2( cosα . .....
विवाहित महिलाहरूले मान्यजन र पुरुषहरूको अगाडि जाँदा सधैँ घुम्टाले अनुहार छोप्नुपर्ने .....
1. Can a kangaroo jump higher than a house? - Of course, a house doesn’t jump at all. 2. Doctor: "I'm sorry but you suffer from a terminal illness and have only 10 to live." Patient: "What do you mean, .....
Here, Let P(x,y) be the moving point, which is equidistance from the points A (a + b, b - a) and B(a - b, a + b). Then, PA = PB or. PA2 = PB2 or, ( a + b - x)2 + (b - a - y)2 = ( a - b - x)2 + .....
प्रश्न बुझ्न सकिएन, कृपया प्रश्नको फोटो पठाउनुस् ल .....
उत्तर : पौरख = पुरुषार्थ तस्कर = अबैध काम गर्ने व्यक्ति अनुदान = आर्थिक .....
The term brain drain refers to the emigration of highly trained or qualified people from a particular country. The educated or professional people from one country, economic sector, or field move for another usually for better pay or living .....
उत्तर : डोब = चिन्ह, डाम दोस्ती = मित्रता मुण्डन = केश खौरने काम अहोरात्र = .....
let p = the number of passes , f = the number of failures. Then, p + f = the number of the people that appeared at the examination. The ratio of passes to failures was 4:1. i.e; P : f = 4 : 1 or, p = 4f If 30 less had appeared and .....
Nepal is my country. I love my motherland very much. I am now studying in class seven. As a student, I can contribute towards bringing development in my nation in the following ways: - I do follow and respect the norms and values of my .....
x2 (x2 - 1) - 1 (x2 + 2) - 2 (2 - x4) = x4 - x2 - x2 - 2 - 4 + 2x4 =3x4 - 2x2 - .....
There are three main organs of a government. They are the Legislature, Executive and Judiciary. There three organs play the vital role for the smooth running of a nation. The executive is an important organ which is responsible for putting the .....
A national of a country is always willing to sever for the betterment of his/her country. So, whether s/he is in the country or in a foreign land, s/he works a lot for the preservation of nationality. The ways to preserve the nationality from .....
जात, धर्म, पेसा, क्षेत्र, लिङ्ग, अपाङ्गता, शारीरिक प्रणाली आदिका आधारमा गरिने भेदभावलाई छुवाछुत .....
Here, Vertical height = h = 15cm Slant height = l = 17cm Length of base = a = ? We know, l2 = h2 + (a/2)2 or, 172 - 152 = (a/2)2 Simplify and find .....
Here, Area of base = 49m2 Height = 12m Volume = ? We know, Volume = 1/3 ⨯ Area of base ⨯ height = 1/3 ⨯ 49m2 ⨯ 12m Calculate .....
Here, Slant height = l = 18cm Length of base = a = 15cm TSA = ? We know, TSA of pyramid = 2al + a2 =2 ⨯ 15cm ⨯ 18cm + .....
Here, Length of base = a Vertical height = h Slant height = l ? We know, l = √[ h2 + (a/2)2]. Which is required .....
Here, Area of cross-section = A =80cm2 Height = h = 8cm So, Volume = A ⨯ h = 80cm2 ⨯ 8cm Find .....
Here, Perimeter of base = P= a cm Height = h = b cm So, Area of rectangular faces = LSA = P ⨯ h .....
We know, TSA = 2 ⨯Area of base + LSA = 2x cm2 +2yz .....
घरेलु हिंसा नियन्त्रणका उपायहरू: १. चेतना जागरण र सचेतना वृद्धि गर्ने, २. समान व्यवहार गर्ने, ३. .....
Here, Radius = r = 6cm Height = h = 8cm Slant height = l = ? We know, l = √( h2 + r2) = √( 82 + 62)cm Calculate .....
Here, Radius ⨯ slant height = rl = 210cm2 CSA = ? We know, CSA = πrl = 22/7 ⨯ 210cm2 Calculate .....
Here, Height = h = 24cm Slant height = l = 25cm Radius = r = ? We know, r = √(l2 - h2) = √(252 - 242) cm Calculate .....
Here, Radius of sphere = r = 7cm Volume = ? We know, Volume = 4/3 ⨯π r3 = 4/3 ⨯ 22/7 ⨯ (7cm)3 Calculate .....
Here, Diameter of sphere = x cm So, radius = r = x cm/2 Volume = 4/3 ⨯πr3 = 4/3 ⨯ π (x/2 cm)3 = π/6 .....
Here, Circumference = C cm Sum of height & radius = r + h = S cm TSA = ? We know, TSA = 2πr(r + h) = CS .....
Here, Radius of cylinder = r = x cm Heigt = h = y cm We know, Volume =πr2h = πx2y .....
Here, Length of side of equilateral triangle = a = 4cm Area = ? We know, Area of equilateral triangle = √3 a2/4 .....
Here, Total No.of students = 200 = n(U) n(C) = 120 n(F) = 105 n(C∩F) = ? no(C) = ? Venn-diagram: From the diagram, 120 - x + x + 105 - x = 200 Find x. Then, n(C∩F) = x =.................Write it. no(C) = n(C) .....
Here, given Total no. of students [n(U)] = 450 students who like orange [n(O)] = 250 students who like apple[n(A)] = 280 students who don't like both orange and apple [n(O ∪ A)'] = 40 students who like both orange and apple [n(O .....
Here, n(U) = 150 n(V) = 120 n(F) = 85 n(FUV)' = 25 i) n(V∩F) = ? We know, n(FUV) = n(V) + n(F) - n(V∩F) or, 150 - 25 = 120 + 85 - n(V∩F) Find n(V∩F). ii) no(V) = ? We .....
Here, n(U) = 100 n(M) = 70 n(S) = 60 n(MUS)' = 15 Venn-diagram From the diagram, 10 = 70 - x + x + 60 - x = 15 or, ..................find x. Then, number of students who did not pass only in both subjects = 70 - x + 60 - x Find .....
Here, n(U) = 100 n(F) = 65 n(M) = 55 n(FUM)' = 15 We know, n(FUM) = n(F)+n(M) - n(F∩M) or, 100 - 15 = 65 + 55 - n(F∩M) [ Since, n(FUM) = n(U) - n(FUM)'.] or, n(F∩M) =.................Find it. Now, .....