Students and Teachers Forum

Cost of 5 bottles of juice = Rs. 2,500 Cost of 1 bottle of juice = Rs. 25005                                        = Rs. 500 Then, Cost of 10 .....

The curved path followed by the North Pole in a magnetic field is called the magnetic line of .....

The calorific value of a fuel is defined as the amount of heat produced by burning unit mass of the fuel .....

The process of separating an insoluble solid from a liquid by passing the liquid through a filter paper or muslin cloth is known as .....

The theories regarding the origin of organisms on the earth are theory of special creation and theory of organic .....

The rotation of the earth on its own axis from west to east is called diurnal motion of the .....

The rate of decrease of velocity of a moving body is called .....

The sensitive tissue which is responsible for the adjustment of the body in response to external and internal stimuli is called nervous .....

Seeds are the fertilized ovules which grow into the new .....

The process in which a solid directly changes into vapor without melting on heating is called .....

The animals that eat grass and leaves of trees are called grass-eating .....

Crust is the outermost layer of the .....

A mass formed by mixing up of two or more substances in any proportion by weight so that each of them retain its own .....

Tulsi        ---- cures cough and cold Aloevera ---- heals many skin condition Turmeric ----  helps to cure stomach ache Ginger    ----  helps with cold and pain Mint       ----  helps .....

The lubricating fluid present between the bones of a freely movable joint is called synovial .....

The natural materials in which the metals or their compounds are found in the earth are called .....

The temperature at which pure water boils at normal atmospheric pressure is called upper fixed .....

The substances that do not allow the heat to pass through them easily are called .....

Thermometer is constructed on the principle that fluids expand on heating and contract on .....

Cost of 2 pieces of jacket = Rs. 1,550 Cost of 1 piece of jacket = Rs. 15502                                         = Rs. 775 Then, Cost of 13 .....

The maximum displacement of the vibrating particle of the medium from its mean position is called .....

The water that is present on the surface of the earth is known as surface .....

The temperature at which pure ice melts at normal atmospheric pressure is called lower fixed .....

Electrochemistry is a branch of chemistry that deals with the movement of ions, the effect ions in a solution and electric conductivity due to their .....

The transformation of heat without the change in position of the molecules is called .....

The degree of hotness or coldness of a body is called .....

The device which keeps hot liquids hot and cold liquids cold for several hours is called thermos .....

An unsaturated hydrocarbon in which the two carbon atoms are connected by a double bond is called an .....

The process that makes exact copies of the engraved blocks on the metal is known as .....

The elements that are malleable, ductile and good conductors of heat and electricity are known as .....

The flow of heat energy from a body at higher temperature to a body at lower temperature is called transmission of heat .....

Solution, Here we have to simplify the binomial expression 2xy/4+6xy/4 = 2xy/4+6xy/4 For the simplification of this expression, we can first take LCM of the denominator  = (2xy + 6xy)/4 Now, let’s do the addition in the numerator = .....

Eye lens is a highly elastic biconvex body, lying just behind the .....

गाग्रीमा एक थोपा पानी छैन .....

In 7 hours, a bus travels = 385 km In 1 hour, a bus travels = 3857 km                                       = 55 km Then, In 12 hours, a bus travels = .....

The process of capital formation involves three steps: i.    Increase in the volume of real savings. ii.   Mobilization of saving through financial and credit institutions. iii.  Investment of .....

The salt formed by the partial replacement of hydrogen atom of an acid by metal is called acidic .....

The chemical equation in which the total number of atoms of each element in reactant   and product is not equal is called an unbalanced chemical equation or skeletal chemical .....

Let, their common measure be x. Then, the supplementary angles are 4x and 5x. 4x + 5x = 180° or, 9x = 180° or, x =  180° 9 or, x = 20° Hence, required supplementary angles are 4 × 20° = 80° and 5 × 20° = .....

Those tissues which are associated with secretion or excretion of certain products like gums, resins, latex, etc. are known as secretary .....

It is the mixture of glandular secretion, hives honey and pollen stores which is felt to the .....

Drones are medium sized male bee whose work is to fertilize the .....

1. I watch Nepali films occasionally.         .....

Cost of 9 transistors = Rs. 6,300 Cost of 1 transistor = Rs. 63009                                = Rs. 700 Then, cost of 13 transistors = Rs. 700 × 15   .....

Weight of 18 boxes of oranges = 216kg Weight of 1 box of oranges = 21618 kg                                              = .....

The organisms which feed on secondary consumers as well as primary consumers are called tertiary .....

A light pipe is a bent tube through which light travels in a curved .....

Sound isa form of energywhich producesthe sensation of .....

= 5 × 1000000000 + 3 × 100000000 + 8 × 10000000 + 5 × 100000 + 6 × 10000 + 1× 1000 + 6 × 100 + 3 × 10 + .....

Baluwatar, Kathmandu                                                                 .....