Students and Teachers Forum
Here, UT = QR = a. QP = ST = RS + RQ + QT = -b - a + 2b = b - a. US = UT + TS = a - ST = a - b + a = 2a - .....
If the acceleration of a moving body is 0, it means that the body doesn't change its velocity. The velocity remains contant i.e. 15 m/s. Every second the distance covered by the car is 15m. This is a condition of uniform .....
Here cos (180o - θ) + tan (180o + θ) cos2 (270o - θ) cosec (- θ) = x sin (90o - θ) cos (180o - θ) + tan (180o + θ) .....
Organ is the group of tissues which perform specific function or task. liver, kidney, heart, lungs are the organs of the human .....
Cellular respiration is the process by which cells convert sugar into carbon dioxide and water. During this biochemical reaction, energy in the form of adenosine triphosphate (ATP) is released. ATP molecules are the type of energy .....
Breathing is the process of taking oxygen from air and throw carbondioxide. Reapiration is the process by which food oxidise to release .....
kidney lungs 1. kidney is a excretory organ 1. Lungs are respiratory organs 2. kidney disposes waste food materials. 2. Lungs dispose waste .....
Amshuverma became the sole sovereign and adopted the title of king after the death of Shivadeva in 605 A.D. He was endowed with all the kindly qualities and virtues. He was a just, impartial and an able administrator. He was a true servant of the .....
Here, < C = 180 - 80 - 40 = 60o We know, Vector AC. Vector BC = /AC/ /BC/ cos<C = 40 x 8 x 1/2 .....
Given, weight of a book (F) = 1200N pressure exerted (p)= 800 pa We know that pressure = force/ area 800pa = 1200N/ area area= 1200N/800pa area(A) = .....
According to triangle law of vector addition, vector BA + vector AC = vector BC or, - vector AB + vector AC = vector BC or, - 3 ⨯ vector AD + 3 ⨯ vector AE = vector BC or, 3 ⨯ vector DA + 3 ⨯ vector AE = vector .....
LHS = tan(A) + cot(A) = sin(A)/cos(A) + cos(A)/sin(A) = [sin²(A) + cos²(A)]/[sin(A) cos(A)] = 1/[sin(A) cos(A)], since sin²(A) + cos²(A) = 1 = 1/[(1/2) sin(2A)], from the identity sin(2A) = 2 sin(A) .....
Development of society is about improving the well-being of every individual in society so they can reach their full potential. The success of society is linked to the well-being of each and every citizen. The process of development of society .....
We know, equation of circle with end points of diameter(x1,y1) and (x2,y2) is (x - x1)(x - x2) + (y - y1)(y - y2) = 0 or, (x - 3)(x + 3) + (y - 0)(y - 0) = 0 or, x2 - 9 + y2 = 0 or,x2 - 9 + y2 - 9 = 0 is .....
Nepal's administrative system in the medieval period remained like in ancient period for some time. The state was divided into many small fragments called Vishaya. Vishaya were similar to districts today. In each Vishaya or province, .....
Look at the map .....
Here,
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When someone lends money to someone else, the borrower usually pays a fee to the lender.This fee is called interest. The amount of simple interest paid each year is a fixed percentage of the amount borrowed or lent at the .....
Here, PQ = P + Q or, 4.x + 0.0 4.y + 0.z = 4+x 0+y 0.x + 5.0 0.y + 5.z .....
Khadga Prasad .....
From figure, x + 160 = 180 {the sum of co-interior angle is 180} or, x = 180 - 160 or, x = .....
क्रियाविशेषण चिन्ने तरिका ः १. क्रियाको विशेषता बुझाउने शब्द नै क्रियाविशेषण, २. .....
Vertices P(x, y) = 2x + 3y (1, 0) 2 ⨯ 1 + 3 ⨯ 0 = 2 (0, 0.5) 2 ⨯ 0 + 3 ⨯ 0.5 = 1.5 (0, 5) 2 ⨯ 0 + 3 ⨯ 5 = 15 (5, 0) 2 ⨯ 5 + 3 ⨯ 0 = .....
Baby is born from sexual reproduction. When the male gamete from male and female gamete from female fuse together. It forms zygote. The zygote later develops into .....
View the answers below. 9. i. Have I? ii. He didn't buy any books. iii. Does she do hard work? iv. She doesn't do her homework. v. The teacher asked me where I was from. vi. I request you to help .....
i. do they? ii. It might not rain today. iii. Can I solve this problem? iv. I shall have visited Pokhara tomorrow. v. The judge said to the prince, "Aren't you satisfied with the decision. vi. Honey is sweet when it is .....
Here, avarege marks of 3 subjects = 15. So total marks of 3 subjects = 3 x 15 = 45. Let 'y' be marks obtained in fourth subject then total marks of 4 subjects = 45 + y Also, average marks of 4 subjects = 15 + 1 = 16. [ average marks .....
The chemicals which can be brought back how they were before, after the chemical reaction is called reversible .....