Students and Teachers Forum
soln: Sum = 7+ 5 = 12 ∴Sum of 7 and 5 is 12 and difference = 26 - 8 =18 or, one third = 18/3 = 6 ∴ one third of the difference of 26 and 8 is 6 now if the sum of 7 and 5 is subtracted from the one third of the difference of 26 .....
As you know, A hypothesis predicts what is expected to happen.When expected thing will happen in real , it gives some evidence.The experimental evidence proves the hypothesis is correct. So, hypothesis become a .....
here, Sp= Rs.400 Cp= Rs.350 we know profit = Sp - Cp = 400-350=50 ∴Profit = .....
Ratio between 15 cm and 1m that is 15 cm and 100cm =15:100 =3:20 Therefore , the ratio between 15 cm and 1m is .....
soln: A={1,2,3,4} B={2,4,5,6} then, AuB = .....
mc2 is the formula to calculate the Energy where m is the mass and c is the speed of light which was cmposed by physicist Albert Einstein. Its formula .....
Chhath is the festival which is dedicated to god Sun.In this festival we thank lord Surya for sustaining life on earth and to worship him to provide his continuous blessings to mankind. It is celebrated by natives of Mithila region of .....
Basically MCC stands for Millennium Challenge Corporation which is an U.S. foreign agency that aims reduce poverty and stimulate economic growth of needy country. In the context of nepal it aim to increase .....
Since, there are many high mountain in nepal . So a set of collection of high mountain be: M={Mount .....
In general we can define social problems as those problems whether individual or common that exist for a short/long time affecting the society. For example: employment discrimination, racism, Access to clean drinking water, child .....
Photosynthesis is the process of preparing food by plants using marerials like carbon dioxide, water and minerals in presence of sunlight. Photosynthesis is necessary for life on Earth. There would be no green plants, and without green plants there .....
solution, =x²-6x-40+14b-b² =x²-2.3x-(49-9)+14b-b² =x²-2.3x+9-b²+2.7b-49 =x²-2.3x+9-(b²-2.7b+49) =x²-2.3x+32-(b²-2.7b+72) =(x-3)2-(b-7)2 .....
In general, "Measurement can be defined as the comparison of an unknown physical quantity with a known standard physical quantity of the same kind". For example: when you want to check you weight then you .....
Could you please write your question in english? so that we could understand and answer you .....
As you may have studied that vitamins are organic compounds which are required for the growth and development of our body. The food stuff that contains vitamins are as .....
Could you please Rewrite your question in english and submit .....
As you know social problems are those problem which may cause negative consequences in our society. Lack of sanitation ,malnutrition ,Poverty, unemployment, unequal opportunity,child abuse etc are some example of social problem. We .....
Please post your question .....
Please post your question .....
Let the amount in which profit is earned be 'x'. According to the question, when a profit is increased from 25% to 35%, the amount of profit increased to Rs.13,30,000. i.e. when profit is 35%, the amount is Rs.13,30,000 or, .....
A lunar eclipse occurs when the earth lies between sun and moon and the shadow of the earth falls on the moon. When the moon enters the shadow of the earth, it receives some sunlight refracted from the atmosphere of the earth. Which makes it reddish .....
solution, 1 9 9 - 4 5 1 5 .....
Answer: The name of plant and part that we eat are as follows: 1.Rice = Seeds 2.Onion = Stems 3.Cauliflower = Flower 4.Cabbage = Leaves 5.Carrot .....
Hygiene is a series of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of .....
Weathering is a process in which large rocks are broken down into smaller fragments. Weathering is happen due to the action of natural forces such as winds, water and glaciers. For example: soil is form due to weathering of .....
As you know that Leaves are the part of a plant that contains chlorophyll and carries out the process of photosynthesis but sometimes it got modified to perform various functions. .....
solution, =(x2+4x+4)÷(x+2) =(x2+2x+2x+4)÷(x+2) =(x(x+2)+2(x+2))÷(x+2) =((x+2)(x+2))÷(x+2) =(x+2) .....
soln, by queation Sunayana has Rs.40 if she spend 1/4 of it that is( 40 x 1/4) =Rs.10 ∴ she spend .....
soln, as you know there is a total of 24 hours in a day, p.m and a.m contain 12-12 hours each, then 2:30 can be written as, 12:00+2:30 = 14:30 Therefore, in 24 hour clock system its .....
Have you ever heard about bigbang theory? In this hypothesis the formation of universe was stated clearly. According to bigbang,
In the early years, everything was made of gas. This gas was mostly of hydrogen and helium.At that .....
solution, given, n (U)=2000
n (A)=50% of 2000 = (50÷100)×2000 = 1000
n( B) = 40%of 2000 = (40÷100)×2000 = 800
n(AuB)c = 15% of 2000 = (15÷100)×2000 = 300 now, i) we know .....
soln, given, Mass of the car = m = 900 kg Initial velocity of the car = u = 60 km/hr = Final velocity = v = 0 m/s Distance travelled = s = 50 metres
now , we know v2= u2 + 2 a s or,
or,
or, .....
Answer: i. Two and two makes four. ii. Your sheep are healthy. Where did you buy them? iii. Either of the two boys have broken .....
if they are in inverse proportion then, i) 5:6 and x:20 soln (5/6)x(X/20) = 1 or, (5X/120) = 1 or, 5X = 120 or, X=120/5 =24 ∴ X= 24 ii) 12:9 and 36:x soln (12/9)x(36/X) = 1 or, (432/9X) = 1 or,432 = 9X or, X=432/9 .....
yes 100 + 200 + 300 -100 = 500. proof: =100 + 200 + 300 -100 =200+300+100-100 =500+0 =500 .....
solution, From the figure, Construction: OM bisects PQ and ON bisects RS (Perpendicular drawn from the centre of a circle to a chord bisects it) or,PQ=RS .....
soln, given a3b-ab3 and a³-2a²b+ab² now = a3b-ab3 = ab(a2-b2) ∴ ab (a-b) (a+b)...............(i) angain, = a³-2a²b+ab² = a³-a²b-a²b+ab² = a2(a-b) - ab .....
Measurement can be defined as the comparision of unknown quantity with know standard quantity. In ortherword, it is the act of determining a target/object's weight, length, size, volume, capacity or any other aspect. For example: if we .....
carlos is the only one of those students who has lived up to the potential described in the yearbook. the international club, as well as the choral society and the rowing club, .....
solution, given Sinb =5/13 we know that, Sin2b + cos2b = 1 or, cos2b = 1- Sin2b = 1-(5/13)2 = 1- (25/169) = 144/169 or, cosb = ∓ 12/13 ∴ cosb = ∓ .....
Do you know, what factor is use to determined the location of any place? Latitude and longitude helps to determine the location of a place on the earth. Then, what is Latitude and Longitude? you may have raise this question in your mind .....
As you know sun produces lots of rays, when that light ray coming from sun trike any surface, it will bounce back from the surface , this phenomenon is known as reflection of light. The angle made by falling light ray is equal the angle made .....
Mammalia is the highest class of mammals or we can say mammals are the part of class mammalia and they have mammary glands that help them produce milk to feed their younger ones.Their skin have seen covered with hairs.They are warm .....
As you have stuied that centrioles are present in animal cells and absent in plant cells. Centrioles helps to organise the position of mitotic spindles during cell division but plants have a rigid cell wall that can itself organise the spindle .....
Answer: आहा ! कति राम्राे फुल .....
solution, given (1-3)(a+3) = (-2)(a+3) =( -2 x a) + (-2 x 3) = -2a +(-6) = -2a - 6 .....