Students and Teachers Forum
Here, Total charge = Rs. 795. Charge of 50 units = Rs. 7.30 x 50 = Rs. 365. Now, remaining charge that paid at the rate of Rs. 8.60 per unit = Rs. 795 - Rs. 365 = Rs. 430 So, units that cost Rs. 8.60 per unit = Rs. 430/8.60 = 50 .....
Here, Charge with 3% rebate = Rs. 283.24 or, Actual charge + 3% of actual charge = Rs. 283.24 or, 103/ 100 x Actual charge = Rs. 283.24 or, Actual charge = Rs. 283.24 x 100 / 103 = Rs.275 Electricity consumed = .....
We have , x + y = 3 ==> x = 3- y ------i) and, 2x - 3y = 1-----------------ii) Solving these , we get, 2( 3 - y) - 3y = 1 or, 6 - 2y -3y = 1 or, y = 1 Put y = 1 in (i), x = 3 - y = 3 - 1 = 2 Hence passing point is ( 2 , .....
मजाले लेख्नु भएको रहेछ खुसी लाग्यो । आफै लेख्ने बानी गर्नु भयो भने परीक्षामा लेख्न सजिलो .....
कल्पलताको पति एक दिन घाँस काट्न वन गएका थिए । उनले रुखमा चढेर डाले घाँस भाmनै लाग्दै थिए .....
Solution: Let the no. be x, Then, - 12 < 2x + 4 < 12 Solving it, - 12 - 4 < 2x + 4 - 4 < 12 - 4 [ subtracting 4 on all sides.] or, - .....
Solution: Let the no. be x, Then, x + 7 > 15 Solving it, x + 7 - 7 > 15 - 7 [ subtracting 7 on both sides.] or, x > 8 Hence, x > 8 is required .....
राम्रो छ अझै राम्रो लेख्नुहोला शुभकामना छ .....
27th, February 2018 Kathmandu, Thapathali JitJung Marg. Dear Sir,
Solution: The range of probability scale is 0 to 1. The probability of a sure event is 1. And the probability of an impossible event is .....
The political parties are a group which are basically formed by people who share same ideologies and principles. The conflict between the political parties are primarily due to: The differences in their ideologies and principles. The .....
The condition required for the reaction between methane and steam are:- the mixture of methane and steam should pass over a heated Nickel catalyst at 1200oC, and compressed at 30 atmospheric pressure. The balanced chemical reaction between them .....
Solution: Here, Here, Rs. 0.5 for Rs.20 per day. So, Rs.0.5 / 20 for Rs.1 per day. or, Rs. 0.025 for Rs.1 per 1 day. or, Rs. 0.025 x 30 for 1 Rs.1 per 1 month. or,Rs. 0.025 x 30 x 12 for Rs.1 per year. or,Rs. 9 for Rs.1 per .....
आफ्नो कुनै स्वतन्त्र अर्थ नभएको तर नामिक पदसँग जोडिएर पदिय अन्तरसम्बन्ध कायम गरी क्रियासँग .....
शनिबारको दिन म खेल्नका लागि भनेर म चौरमा जाँदैँ थिएँ । मैले उमेशको भाइ र उमेशकी बहिनीलाई .....
क) तिमी मलाई बोलाउँछौ । ख) तिमीले के खायौ ? ग) मेरो बुबा आउनुभयो । घ) ईश्वरले सबैको कल्याण गरून् .....
Temperature plays an important role in the life cycle of the silkworm. Rise in temperature increases the physiological activities in silkworm While fall in temperature decreases the physiological activities. Eggs of silkworm can not develop .....
A community is a group of people living together in neighbourhood. A community shares common perspectives, and engage in joint action in geographical locations or .....
b) Detrivores They ingest small bits and pieces of dead animals or feces. For example, flies, dung beetles, and earthworms are .....
Climate conditions are far less volatile, and they are often used to describe larger areas such as parts of countries, whole countries, or even groups of countries. When climates change even slightly, however, the consequences can be much more .....
Please write the complete .....
Bhimsen Thapa was the first prime minister of .....
SI unit of length is metre (m). So, in terms of SI unit, Area of the book = 548 cm2 = 548 .....
क) पत्रपत्रिकाबाट मानिसले भरपर्दो आयआर्जन गर्न सक्छन् । यसमा विविध कुराहरुको विज्ञापन .....
On the other hand, static electricity is the electricity which is produced due to an imbalance between negative and positive charges in an object. These charges can build up on the surface of an object until they find a way to be released or .....
They speak on behalf of the country on any proposal put forward by a state. Diplomatic commissions while working in the foreign countries should not cross the limitation of diplomatic relations. Sometimes we hear the news about the poor .....
The structure of present perfect tense is; S + has/have + v3 + O. - This tense is used to talk about recently finished action whose impact can be seen felt in the present. E.g.: I have lost my keys. Therefore, I am still outside. - To talk .....
a. Negative charge is produced due to more concentration of electrons. b. Emf of a dry cell is 1.5 volt. c. Fuse wire is made up of an alloy of tin and lead. d. The source of current which converts chemical energy into electrical energy is .....
The present tense expresses an action or event happening now. Present tense has four forms: 1. Simple Present Tense 2. Present Continuous Tense 3. Present Perfect Tense 4. Present Perfect continuous Tense The present perfect tense is used to .....
डाक्टर अङ्कलले अनेक सङ्घर्ष गरेर व्यक्तित्व निर्माण गरेका थिए । उनले प्रतिकूल परिस्थितिमा .....
Conjunction is a word used to connect clauses or sentences or to coordinate words in the same clause (e.g. and, but, if , since, because, because of, as well as, so, so that and so .....
An emergency treatment of someone who is suddenly sick or ill With care provided to preserve life, prevent the condition from worsening or promote recovery. This is First .....
Solution, We know, perpendicular drawn from the centre bisct the chord. i.e; OP bisects AB. So, AB = 2 x AP = 2 x 7cm = 14cm Hence, AB = .....
Solution: We know, Line joining the centre of circle and mid-point of chord is perpendicular to chord. i.e; OZ is perpendicular to XY. Hence, OZ ⊥ .....
Here, manganese dioxide acts as a catalyst in this reaction and speeds up the reaction so that it only takes a few minutes. As the manganese dioxide is a catalyst, it remains unchanged at the end of the .....
The most important natural factors are: 1) Distance from the equator The distance from the equator affects the climate of a place. At the poles, energy from the sun reaches the Earth's surface at lower angles and passes through a thicker .....
Look at the picture above. It is a .....
Differences between parasites and saprophytes are as follows: Parasites Saprophytes Parasites are organisms that live on a host and gets its food from its host. Parasites can cause disease in humans so .....
Number of child(x) Tally Frequency(Number couple) 1 | | | | | | 6 .....
Solution: Here, Length of side of cube = L = 6.4cm Now, We know, surface area of cube = 6L2 .....
a. The car has not stopped yet. b. Fish and chips are good for health. c. Ring and bracelet are made of .....
Forests of the world can be classified on the basis of different features. It can be classified on the basis of biome in which they exist. It can also be classified on the basis of the geographical regions. The types of forests on the basis of .....