Let present age of father be  x  and son be y. Then from the 1st case x - 1 = 13( y - 1) or, x   = 13 y - 12...................i) From the 2nd case, x = y3 ...............ii) From i)  and  ii) 13y - 12 = .....

They are divided into three different states. Solid, liquid and gas. All the solid inorganic substance present in the environment are .....

Here, Price after 20% tax = $553 + 20/100 x $553 = $663.50 Final SP with 13% VAT = $663.5 + 13/100 x $663.5 = $750.12 Now change in to NC by using given rate. And find final .....

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C.P = Rs. 60000 Cost on painting and repairing = 15000 Total cost = 60000+15000                  = Rs. 75000 Now,       S.P = C.P.+ profit% ⨉  C.P     .....

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आगोको झिल्को, पानीको थोपा, कागजको पन्ना, लसुनको पोटी, तेलको तुर्को, आँपको दानो, केराउको कोसो, .....

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Work against gravity is the displacement of a body applying a force against the force of .....

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We know the sum of a pair of co-interior angles = 180o Thus, we can write  mo + 120o = 180o or, mo = 180o - 120o or, mo = .....

Now, 675/225 = 3 pens get each students. and 900/225 = 4 chocolate  get each .....

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Read the rules .....

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We use a pully to pull water form a well. We use a screw driver to open a nut.  We use a handle in the door to open it.  We use a crowbar to lift a heavy stone.  These are the machines.  In fact, anything that makes our work .....

= a ( a- b) = a × a - a × b = a2 - .....

There are world Cups of ditterent sports. It is not clear in the question about the sport you want to know. If you are asking about the FIFA world cup 2018, it will start from 14 june .....

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Open circuit is the circuit in which path of the current has been disconnected at one point. Whereas there is no any disconnection in closed circuit. You can see discoonection in closed circuit in the figure below. Open circuit is in OFF .....

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 Mathematics is the science that deals with the logic of shape, quantity and arrangement.  Math is all around us, in everything we do. It is the building block for everything in our daily lives, including mobile devices, .....

Mountainous roads are winding and gently sloping in order to reduce the effect of steepness which causes more downwards gravitational pull to the vehicles on it. A steeper sloped road would slow the car to a greater extent that an gently sloping .....

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You know that metal (iron) is much tougher to cut than cloth. More amount of pressure is needed to cut iron than the cloth.  Look at the picture below. It is an iron cutting scissor. You can see that the blades (edges) of iron cutting .....

यहाँ, मिश्रधनहरु दिइएको छ र हामीले मुलधन र ब्याजदर निकाल्नुपर्ने छ । मानौँ, मुलधन P र ब्याजदर R छ .....

1.AN = AG, Mid-point of hypoteneous of a right angled triangle MNG is equi-                     equidistance from all the vertices.                   .....

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कथनः भनाइ कोसिसः प्रयत्न लडाइँः .....

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दलः (क) बिउ (ख) दल्ने काम (ग) पार्टी ४. ताप, कदमः श्रुतिसमभिन्नार्थक उपकार, अपकारः .....

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३. जिल्लः पर्नु प्याट्टः पिट्नु वा फुट्नु चटक्कः छोड्नु लरक्कः लर्किनु झमक्कः साँझ .....

We have given, ax2 + bx + c = .....

Chemicals like potassium chlorate and maganese dioxide as catalyst mixed in a ratio of 4:1 at 250oC to give potassium chloride and oxygen gas.                             .....

Lines of force in a magnetic .....

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Hence, LCM =  13.5.5.a3b3 (x - a)(x + a - 2a2) (x + a)(x + 2a)                       = 325a3b3 (x - a)(x + a)(x + 2a)(x + a - .....

Solution,   ∡OAT = 90∘  [Tangent to the circle and line segment joining centre and point of contant are perpendicular to each other] So, ∡MAT = ∡OAT - 30∘ = 90∘ - 30∘ = 60∘ AT = MT [length of tangents .....

Uranium (atomic mass 238) is the heaviest element naturally found on the earth. But, Ununoctium (atomic mass 294) is the heaviest element of all created .....