Students and Teachers Forum

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Sum of a pair of alternate exterior angles is 180o So, ao + 135o = 180o or, ao = 180o - 135o Therefore, ao = .....

Urate crystals are the .....

८. (क) उनी सूर्यविनायक जान्छिन् । (ख) आमा रामलाई कविता घोकाउनुहुन्छ । (ग) मद्वारा भाइलाई चिठी .....

An ordinal number is a number that tells the position of something in a list, such as first, second, third, fourth etc. For example: Number   Ordinal number    1                  .....

These three membranes are collectively called .....

When an object floats in a dense fluid, it is acted upon by two forces. One is the ever-present force due to gravity and the other is the buoyant force, the force exerted by the fluid on the object.  When the object is symmetrical, such as a .....

Some main events that occured in pre-cambian era are as follows: 1. The oxygen-rich ozone layer was also established, shielding the Earth's surface from harmful solar radiation. 2. The first multicelled animals appeared in the fossil record .....

When arteries carry blood from the heart to the tissues, the heart actively pumps blood. So, there is fast and irregular flow of blood in the arteries. This increases the blood pressure in arteries. On the other hand, the blood flows slowly and .....

Here, Height= 3 radius  i.e; h = 3r We know,  Volume = 1/3 πr2h or, 512π = 1/3 πr2. 3r or, 512 = r3 or, r = 8cm Hence , radius of base  = .....

Aqua regia is known as the “Kingly Water" or “Royal Water." Aqua regia is a mixture of concentrated Nitric acid (HNO3) and concentrated Hydrochloric acid (HCl) in the ratio of 1:3. It is called Kingly Water in Latin .....

Let . r be the radius of sphere, Then,  TSA = 30184cm2   or, 4πr2 =  30184cm2                 [ TSA of sphere =  4πr2 .] or, 4 x 22/7 x .....

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Some of the major causes of extinction of dinosaurs on the earth are as follows: 1. A big meteorite crashed into Earth, changing the climatic conditions so dramatically that dinosaurs could not survive. 2. Ash and gas spewing from volcanoes .....

Smoke released from vehicles and industries is one of the major causes of global warming. Industries and vehicles emit carbon dioxide and other greenhouse gases, which contribute global warming .....

We woke up at 7 a.m. They dived into the pond. He is standing among 3 people. A cat jumped over the wall. I finished the race in two hours. A tiger was standing across the .....

Latitudes are geographic coordinate that specifies the north-south position of a point on the Earth's surface. Some of the differences between the latitudes and longitudes are: Latitude Longitude It is the distance north or .....

a. Did you  win a race? b. What does Bikash do? c. Aakriti didn't sing a song. d. Wow! Bimal has a beautiful .....

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(-2) (+2) = -2 × 2 = - 4  [Since (-) × (+) = .....

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Here,  Area of base = πr2            , r  = radius of base. or, 616 = 22/7 x r2 or, r = 14m Now,  Heght of cylinderical part = 24 - 14 = 10m Total volume of tank  = volume of cylinder + .....

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Let the marked Price(MP) be Rs. 'x'. Now, After 10% discount, Selling Price(SP) = x - 10% of x = x- x/10 =  Rs. 9x/10 Now, After 13% VAT is leived on it, SP with VAT = 9x/10 + 13% of 9x/10   = 9x/10 + 0.13 × .....

Let's go to Damak, shall .....

Here,  Distance travelled by the stone (s) = Initial velocity(u) ⨉ Time(t)                                              .....

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Solution: Here,  x2 - 1/4 = x2 - (1/2)2      [ since, 1= 12 1nd  4 = 22.] = (x + 1/2)(x - 1/2)            [ using, a2 - b2= .....

Solution, We have  given 2x = 8 Dividing both sides by 2,  2x / 2  = 8/ 2 or, x = 4 Hence,  x = 4 is required .....

Normally, the price is determined by the cost price of the goods. The taxes collected by the government also determines the price. Similarly, the nature of the market also determines the price. The price is high if there is a monopoly. The .....

Let, length of the box = L According to question,Breadth, B = L/3 Height, H = L/2 We know Volume, V = L x B x H Or, 750 .....

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Here, P(2, -3) = ( x1 ,x2)  and Q( 5, 1)= ( y1  , y2) Distance between P and Q = ? We know, Distance  = PQ  =√ [ ( x2 - x1)2 + ( y2 - y1)2]                 = √ [ ( .....

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Solution: Table for  x - 5 + y = 0   x 0 1 y 5 4 Table for, x = 1 + y   x    0 1 y - 1 0 Now, plot in graph  and find the intersecting point .....

Here, Lengtf of rectangle = L = 12cm Breadth of rectangle = B = 5cm Length of diaginal = ? In rectangle, We know,   diagonal  = √[ L2 + B2] =  =√[122 + 52]  =√[ 144 + 25 ] = √169 = .....

Dry cell and simple cell differ in the following ways:   Simple cell  Dry cell 1. It has liquid chemicals filled in a vessel. 2. Chemicals may leak. 3. Difficult to handle. 4. Less .....

Solution: We have given Base = BC = 8.4cm Height = AD =6.2cm Area of triangle ABC  = ? We know, Area  =  1/2 base x height            = 1/2 x 8.4cm x 6.2cm           .....