Students and Teachers Forum
We all are born. Grow up. And die. This is the process of life. We all are born through the sexual reproduction process. By sexual reproduction process, new organisms with the same genetic identity are produced. The new .....
The full form of ICIMOD is International Centre for Integrated Mountain .....
Differences between natural and artificial vegetative propagation are: Natural vegetative propagation Artificial vegetative propagation 1. It is a natural development of new plants without the involvement of .....
कथाका चोआलाल एकल, रागी र छोराबुहारीको चाहना विपरित चल्ने भएकाले तिरस्कृत हुन पुगेको .....
Here, given, P = Rs. 1000 Rate = R = 10% Amount =A = Rs.1200 Time = T = ? For this, I = A - P = Rs.1200 - Rs. 1000= Rs. 200 We know, T = I x 100 / [ PR] = 200 x 100 / [1000 x 10] =2.yrs. = 2 x 12 .....
Spikenard is also called nard, nardin or muskroot. It is a flowering plant that grows up in the Himalayan regions of Nepal, India and China. It is used as herbal medicine to fight insomnia, birth difficulties and other minor .....
Some of the differences between HDI and life expectancy are: HDI Life expectancy It is the statistical tool to measure the country's overall achievements. It is a statistical measure of the average time of .....
The full form of GLOF is Glacial Lake Outburst Flood. GLOF is a type of outburst flood that occurs when the dam containing a glacial lake .....
Human development indicators symbolise the overall status of the society or of the community. It is a measurement of the life expectancy, expected years of schooling, mean year of schooling, Gross National Income and others. Calculation of the .....
Have a look at the HDI of the first five .....
Biodiversity is basically the diversity found in nature. That is, even for a single species we can see many variations of traits. This amazing specaility of nature is simply termed as Biodiversity. Consider a pond nearby you. You might .....
- To respect and honour the contributions and the achievements of women rights movement. - To respect and honour the contribution made by the social .....
जुक्तिबुद्धिका सामुका शक्तिको केही चल्दैन भने जस्तै यस पाठमा बलिया हात्तिहरुका सामु सानो .....
गुरु भनेको संसारलाई अँध्यारोबाट उज्यालोतिर बाटो देखाउन, ढ्ङ्गाा जस्तो कठोरलाई .....
Solution: If the variable is x and frequency is f then the average value(Mean) = Σfx / N Where, N .....
तरल पदार्थले दिने चाप उक्त तरलको गहिराइ वा उचाइ, तरलको घनत्व र गुरुत्व प्रवेग को गुणनफलमा .....
चन्द्रमाको सतहमा गुरुत्व प्रवेगको औषत मान 9.8 m/s2 हुन्छ र बृहस्पतीको सतहमा गुरुत्व प्रवेगको औषत .....
निश्चित उचाईबाट पारासुट लिएर जाँदा वा हाम फाल्दा पहिले पारासुट छिटोछिटो तल झर्छ । यसरी तला .....
Solution: First expression = x3+ 2x² - 15x, = x [ x2 + 2x - 15] = x [ x2 + 5x - 3x - 15] = x [ x( x + 5) - 3(x +5)] = x( x + 5) ( x - 3) Second expression .....
Here, √3 / sin2a + 1/ cos2a = 4 or, [√3cos2a + sin2a] / sin2a.cos2a = 4 or, √3cos2a + sin2a = 4. sin2a.cos2a or, √3cos2a + sin2a = 2. sin(2.2a) or, √3/2 cos2a +1/2 sin2a = sin4a or, .....
मानिसलाई के सही के गलत सबै कुराको ज्ञान हुने भएकेले विवेकशील प्राणी भनिएको हो .....
गुरु भनेको संसारलाई अँध्यारोबाट उज्यालोतिर बाटो देखाउन, ढ्ङ्गाा जस्तो कठोरलाई पनि हिलो .....
Electrolysis is the process by which ionic substances are broken down into simpler substances using electricity. During electrolysis, metals and gases may form at the .....
Pascal is the SI unit of pressure. The pascal can be expressed using SI derived units, or alternatively solely SI base units, as:
where, N is the newton, m is the metre, kg is the kilogram, and s .....
Here, Slope of AB = m = [ y 2- y1] / [ x2 -x1 ] = [ 10 - 2] / [ 7 - 3] = 8 / 4 = .....
Yes, all of these substances have mass. All of these substances occupy some space. These substances are matters. Anything which has mass and occupies space is mattter. All the elements, compounds and mixtures are matters. Now, can you tell me .....
A map may be defined as the representation of an area or sea showing the physical features, cities, roads etc. The following steps are to be considered while drawing a map: Think of the place or the things you want to draw by focusing on the .....
चोआलाल व्यावहारिक कुशलता र दूरदृष्टि भएका एक सचेत व्यक्ति थिए । बर्दिवास हाइस्कुलका गणित .....
Solution: Here, marked price (M.P) of an article = Rs 10000 Discount % = 7.5 % Vat % = 13 % Now, discount amount = 7.5 % of M.P. .....
Solution Use area of triangle form by these three points is equal to zero , since they are collinear. Area of t triangle=1/2 {a (b-1)+0+1 (0-b)} or, 0=ab-a-b or, a+b=ab Divide both side by ab a/ab+b/ab=ab/ab or, .....
List of first twenty elements are as .....
1 astronoical unit is approximately 93 million miles (150 million km). It’s approximately 8 .....
In science, work is said to be done when a certain force covers a certain displacement (distance in a particular direction). i.e. Work done (W) = F x d When force(F) = 1N and displacement (d) = 1 m, W = 1N x 1m = 1 .....
Solution: Here radius of circle is given. Let r= 5cm. Now use formula Area= Πr2 = 22/7 x (5cm)2 = 22/7 x 5cm x 5cm .....
Solution: Here, Mass of a person (m) = 60 kg Distance covered (d) = 40 m Time taken (t) = 10 mins = 10 ⨉ 60 secs .....
Here, Work done (W) = 3000 J Time taken (t) = 2 secs Power (P) =? we have, P = W/t = 3000/2 = 1500 watt Now, 746 watt = 1 hp or, 1 watt = 1/746 hp or, 1500 watt = (1/746) ⨯ .....
Given, Side of an equilateral triangle = 5.4 cm. We know that perimeter of a triangle = sum of all the three sides. Now perimeter of equilateral triangle = 3 times one side [ Since all sides are equal in equilateral triangle] Therefore .....
In Centesimal System, an angle is measured in grades, minutes and seconds. In this system, a right angle is divided into 100 equal parts and each such part is called a Grade (1g); again, a grade is divided into 100 equal .....
In order to raise the load through a vertical height 'h', the effort has to be exerted through a longer distance equal to the length of the plane 'l'. It follows that the velocity ratio is given by the following .....
Here, 2sin2x + sin22x = 2 or, 2sin2x + [2sinx.cosx]2 = 2 or, 2sin2x + 4sin2x.cos2x = 2 or, sin2x + 2sin2x.cos2x - 1 = 0 or, sin2x + 2sin2x.[ 1 - sin2x ] - 1 = 0 or, sin2x + 2sin2x - 2sin4x - 1 = .....
Here, 2sin22A + sin2A - 1 = 0 or, 2sin22A + 2sin2A - sin2A - 1 = 0 or, 2sin2A ( sin2A + 1) - 1( sin2A + 1) = 0 or, ( sin2A + 1) ( 2sin2A - 1) = 0 Either, ( sin2A + 1) = 0 ==> Sin2A = -1 ==> sin2A = sin270 ==> .....
Every object in the universe have a shadow. Shadow would technically be the region behind an object, where light from a source on the other side would be blocked. The Sun would most definitely have a shadow, but it'd not be visible .....