Students and Teachers Forum

1. Combine the following sentences using "as though"
a) He screamed in great fear. One might think he was a ghost.
b) Why are you shouting in my ears? I am not deaf.
c) He ordered me about. But I am not his servant.
d) The man stood absolutely still. He was like a statue.
e) He spoke so rudely to us. We did not go to him to beg.
f) The clown twisted his body in all sorts of ways. Was he made of rubber? 

(a) He screamed in great fear as though one might think he was a ghost. (b) Why are you shouting in my ears as though I am a deaf? (c) He ordered me as though I am his servant. (d) The man stood absolutely still as though he was a statue. (e) He .....

2. From a lighthouse 100√3 ft high, the angles of depression to two ships on its opposite sides are observed to be 30º and 60º respectively. Find the distance between the ships if the base of the lighthouse is on same horizontal line.

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3. The angle of elevation from the roof of a house to the top of a tree is found to be 30º. If the heights of the house and the tree are 6 m and 18m respectively, find the distance between them.

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4. A man, 2 m tall, observes the top of a tower and finds the angle of elevation to be 60°. If the distance between the man and tower is 45 m, find the height of the tower.

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5. A man, 1.75 m tall, is 50 m away from a tower. If the height of the tower is 51.75 m, find the angle of elevation to the top of the tower from his eyes.

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6. A tree of 14 meters height was broken by wind such that its top touches the ground making an angle of 60° with the ground. Find the length of the broken part of the tree.

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7. A boy, who is 1.7 m tall, is flying a kite. When the length of the string of the kite is 180 m, it makes an angle of 30° with the horizon. What is the height of the kite from the ground?

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8. From the top of a tower, the angle of depression to the roof of a house was found to be 60°. If the house was 20m high and 60m away from the tower, find the height of the tower.

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9. A person standing at a distance of 40 m away from the bottom of a tree observes the top of the tree. If he finds the angle of elevation to be 60˚ . Find the height of the tree.

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10. Solve the following system of equations graphically.
y = x2 and y = 2x - 1

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11. Solve the following quadratic equation graphically.
x2 - 2x - 3 = 0

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12. Write some causes of Renaissance briefly.

Some of the major causes of Renaissance are: Bubonic Plague also known as "Black Death" which spread across Europe during 1300. It ultimately led a good change in trade and business in the place like Italy. Another cause was that the .....

13. Write the differences between alternating current and direct current.

Differences between alternating current and direct current are:   Alternating current (AC) Direct current (DC) 1. Its magnitude changes with time. 2. It reverses its direction while flowing in a .....

14. There is the constitutional provision of rejection of vote (NOTA) in some of the countries in the world. Prepare an article including the positive and negative aspects of this system.

But, in an under-developed nation like Nepal, NOTA is not practical. As it is expensive to hold elections both in terms and money. And, also the electorates of rural Nepal have poor economic background. So, it can not be denied that the .....

15. What is the main cause of soil erosion?
 

Here, weathering caused by freezing of water into cracks, effects of change in temperature, etc. are physical methods. Weathering caused by the effect of industrial gases, acid rain, etc. are chemical .....

16. What kind of work should be done to be a famous person like national heroes?

To be a famous person like the national heroes is not an easy task. We should do the following things: - We should contribute a lot in any of the sectors such as political, social, economic, etc. - We should work for the protection and .....

17. Why do WBCs increase in blood and RBCs decrease in blood?

White blood cells are vital components of the blood. Their role is to fight infection, and they are essential for health and well-being. When we have an infection, the infection-causing bacteria or viruses multiply in the blood. In this .....

18. What happens to the dynamo if electric current is passed to the coil of dynamo?

It will likely start rotating, as it works as energy interchanger between electrical and mechanical, however it might be inefficient when its design function is reversed. I.e, motor effect can be .....

19. Two objects of different masses with different specific heat capacity are mixed so that they can exchange the heat then what will be the final temperature of that system?

Hence, the final temperature of the mixture can be calculated by using the formula,                  Qlost = Qgained               or, m1s1dt1 = .....

20. Write a letter to your friend about the soil and the crops that are found in different geographical region of Nepal.

Dear friend,

I am really very happy to have received your letter last Friday. I hope you are doing well with your studies. In your letter, you have asked me to write about different kinds of soil and crops that are .....

21. There may also be historical personalities in your community, search them and do the project work.

Similarly, his role in the Mass Movement II was quite amazing. He encouraged and motivated the youths for fighting against the dictatorships of King Gyanendra. Now, he has become the source of inspiration to the people in our society. People from .....

22. Why arteries are deeply seated?

Also, to balance the pressure in and out of the blood vessels, arteries are deeply seated. while veins are located superficially as the pressure inside them is very low and it contains de-oxygenated .....

23. Write down the concept of forests and also write down the measures of its conservation and management in detail.

The measures for the conservation and management of forest are given below: 1. Applying scientific forest management techniques of cutting of trees     like clear-cutting, selective cutting, shelter wood cutting, etc. 2. Control over .....

24. Do Mendel's laws apply to human beings too?
State some difficulties Mendel would have faced if he had carried out his experiment on the human instead of pea plants.

The pea plant possesses a number of pair of contrasting characters such as red-white flower, round- wrinkle seed, tall-short plant etc. Also, a pea plant has a short life cycle. So, it can produce many generations in a short time. But these .....

25. What is the function of eustachian tube and retina?

Look at this figure. Here, the retina is a thin layer of tissue that lines the back of the eye on the inside. It is located near the optic .....

26. In the given figure, chord PQ and RS intersect at right angle at X. Prove that PS - PR = QS - QR.

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27. What is weathering?

You might have seen different kinds of rocks around you. These rocks get affected by the change in weather. Sometimes, these rocks dissolve or break down into smaller and smaller pieces due to the change in .....

28. तलको कथांश पढी अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् -
रामु शोभाको सौतेनी देवर हो । शोभा दुलही भएर यस घरमा आउँदा रामु डेढ वर्षको थियो , शोभा सोर वर्षकी थिइन् । त्यसै वर्ष रामुुलाई शोभाका जिम्मा लाएर रामुकी आमा नफर्कने बाटो लागिन् । त्यस बेला देखि रामुलाई शोभाले नै पालेर हुर्काइन् । अहिले । रामु सात वर्षको भयो , शोभा बाइस वर्षकी भइन् । घरमा रामु , उसकी भाउजु र दाजु निर्मलबाहेक अर्काे प्राणि कोही छैन । रामुको बुबा त ऊ वर्षदिन नपुग्दै परिसकेका थिए । आमा पनि डेढ वर्षमा गइहालिन् अब यस पितृमातृहिन शिशुका मातापिता शोभा र निर्मल नै छन् । घरमा उसका निम्ति सदा बाल साम्राज्य छ । शोभाबाट उसले प्रशस्त मातृत्व सुख पाइरहेको छ । शोभाको यस अलौकिक गुणको प्रशंसा टोल छिमेकका समस्त नरनारीले गरिरहेका छन् ।
प्रश्नहरु 
अ) रामुले शोभाबाट मातृत्वको सुख कसरी पाउँदै आएका थिए ?
आ) यस कथांसले कस्तो सन्देश दिएको छ ? 
 

अ) रामु सानैमा आमा र बुबाको माया पाउनबाट बञ्चित भयो । उसले आमा भन्दा महान् भाउजूको माया पायो । .....

29. तलको कवितांश पढी अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् -
सडक हुँ , बाढीमा डुब्न सम्छु 
 सडक हुँ पहिरोले पुरिइन सक्छु
माटो ढुङ्गा पन्छाए 
पानीको भेल तह लगाए
 फेरि देखिन सक्छु 
जोडिएर फेरि चालु हुन सक्छु
सडक हुँ हराउँदिनँ 
सडक हुँ , कहिल्यै भाँचिन्नँ 
मसँग यति नै अपेक्षा राख । 
प्रश्नहरु 
अ) सडकले भोग्नु परेको समस्या के के हुन् ?
आ) यस कवितांशको मूल भाव के हो ?
तलको जीवनीको अंश पढेर अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् ः
दुर्गम भूगोल र अविकसित क्षेत्र भए पनि रुइत मध्यम वर्गीय व्यापारिक घरानामा जन्मिएका थिए । उनका बुबा सोनाम नेपाल तिब्बतबीच नुन , चामल , घोडा र च्याङ्ग्रा व्यापार गर्थे । यसै बेला उनको ठुलो छोराको मृत्यु भयो । दुर्गम गाउँमा उपचार नपाएर आफ्ना छोराको मृत्यु भएपछि बुबा सोनाम निकै दुःखी भए । उनले बाँचेको आफ्नो छोरा सन्दुकलाई पढाएर ठुलो भूगोलले छेक्न सकेन उनले आफ्ना सात वर्षको छोरा सन्दुकलाई दार्जिलिङ लगेर भए पनि पढाउने निधो गरे 
प्रश्नहरु -
 अ) सन्दुक रुइतका बुबाले कस्तो सपना देखे ?
 आ) दुर्गम क्षेत्रका मानिसले के कस्ता समस्याहरु झेल्नुपर्छ ?

अ) सन्दुक रुइतका बुबाले अर्को सन्तान मृत्युको पीडा भोगे पछि सन्दुकलाई महान् डाक्टर बनाउने .....

30. तलको कथांश पढी अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् ः
माउजङ बाबुसाहेबले अब उत्कण्ठापूर्वक मन्त्रीजी आउने दिनको उद्विग्न प्रतिक्षा गर्न थाले । एक एक गरी मुस्किलसाथ त्यो दिन पनि आयो । मन्त्रीज्यू बिहान एघार बजे नै आइपुग्नुभयो र साँझ चार बजे उहाँको सम्मानमा आयोजित जलपान पार्टीमा बाबुसाहेबलाई पनि जानु पर्ने थियो । बिहानै दारी खौरन लगाई जँुगाको काटछाँट मिलाई नुहाई धुवाई माउजङ बाबुसाहेब तयार भएर बसे । ठिक तीन बजे लगाउने दौरा सुरुवाल इत्यादी लगाई तमाखु खाँदै बसिरहे । साढे तीन बजे घरबाट निस्कने बखत प्लास्टिकको प्याकिङ खोली कोट झिकियो । कोट त्यहि हो भनेर कसैले चिन्न नसकिने भइसकेको थियो ।
प्रश्नहरु 
अ) माउजङ बाबुसाहेबले कसको र किन उद्विग्न गर्न थालेका हुन् ?
आ) यस कथांसमा चाकरी प्रथाको कस्तो रुप देखाइएको छ ?
तलका कवितांश पढी अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् ः
लौ लौ गाओ दल दल वनै , वृक्ष हो ऊठ सारा 
बर्से घैँटौ घट घट गरी स्वर्ग पीयुष धारा ।
दर्दर् दर्के अमित कनिका , प्यून लागिन् धराले उफ्री, नाची चल विपट हो , पाउने छौ जराले ।।
प्रश्नहरु 
अ) कविले प्रकृतिको चित्रण कसरी गरेका छन् ? 
आ) प्रस्तुत कवितांशको भाव के हो ?

क) माउजङ बाबुसाहेबले मन्त्रिजीको प्रतिक्षा गरेका थिए  किनकी मन्त्रिजीको सम्मानमा र जलपानमा .....

31. तलको कथांश पढी अन्त्यमा सोधिएका प्रश्नको उत्तर दिनुहोस ।
लाल एकछिन रिकियो । फेरि मुन्टो फर्कायो । कुनामा राखिछाडेको थोत्रो काठको बाकसतिर गयो र सारा फुकायो । एउटा पोकामा दुइटा पेडा र लड्डु थियो, एउटा सानो पोकामा अलिकति अबिर । भित्तामा अड्याइराखेको थाल झिक्दै राख्यो । खल्तिबाट किचिमिचि भएको फूल झिक्यो र अर्को खल्तिबाट पाँच पैसा झिक्यो ।
प्रश्नहरू
अ) लालले लक्ष्मीपूजा कसरी गर्‍यो ?  
आ) प्रस्तुत कथांशको सन्देश के हो ? 



 

३.(क) अ. लालले लक्ष्मीपूजा कसरी सम्पन्न गर्यो ? उत्तरः लालले थोत्रो काठको बाकसबाट लड्डु र पेडा .....

32. तलको कवितांश पढी अन्त्यमा सोधिएका प्रश्नको उत्तर दिनुहोस् -
आइन वर्षा हररर चढी वायपङ्खी विमान पाङ्ग्रा घर्षी शिखर गरजी थर्कियो आसमान । 
झिल्के झिल्का , अचल मुख भो त्रासले नील गाढा 
 चुली नाघिन् प्रकृति कलिलिन् , देखिदै दुर टाढा ।।
प्रश्नहरु
अ) यहाँ वर्षाकालीन प्रकृतिको वर्णन कसरी गरिएको छ ?
आ) यस कवितांशको मूल भाव के हो ?
 तलको जीवनीको अंश पढेर अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् ः
क्लारा र ओसिपको वैवाहिक जीवन धेरै लामो हुन पाएन । क्षयरोगबाट ग्रसित ओसिपको सन् १९८९ मा निधन भयो । मृत्यु भएको एक दशकपछि सन् १८९९ मा क्लाराले फ्रेडरिक जन्डलसँग विहे गरिन् । दोस्रो बिहे गरे पनि क्लाराले ओसिप जेटकिनसँगको सम्बन्धलाई उच्च सम्मान दिइन् । उनले आफ्ना नामसँगै आसिपको दोस्रो नाम ‘जेटकिन’ जोडेर ‘क्लारा जेटलिन’ बनिन् र यहि नामबाट प्रसिद्धि कमाइन् । क्लाराको दोस्रो पनिसँगको दाम्पत्य सम्बन्ध सन् १९२६ सम्म कायम रह्यो ।
प्रश्नहरु 
अ) क्लारा जेटकिनको वैवाहिक जीवन कस्तो देखिन्छ ? 
आ) यस गद्यांसले के सन्देश दिएको छ ?
 

क) क्लाराको पहिलो वैवाहिक जीवन खासै उत्कृषट हुन सकेन किनकी विवाह हुने वित्तिकै क्षयरोगका कारण .....

33. थांका कहाँ कहाँ प्रयोग गरिन्छ ? 
थंका सबैको प्रिय हुनुको कराण के हो ? 
 

क) थाङ्का  बौद्घमार्गीहरुका लागि लोकप्रिय छ । यो गुम्बाहरुमा घरघरमासमेत सजाइन्छ । .....

34. वाक्य  बनाउ:
सालिक , चर्चित 

भानुभक्त आचार्यको पूरा सालिक भारतको दार्जिलिङमा छ ।  मनुब्राजाकि चर्चित साहित्यकार हुन् .....

35. तलका कथांश पढी प्रश्नको उत्तर दिनुहोस् -
रामुले पनि आफ्ना उपर निर्मल र शोभाले लगाएको ऋणको हिसाब बिर्सेका थिएनन् । दाजु भाउजुका प्रति बहुतै आदर र स्नेह गर्थे । यसबीचमा निर्मलका पनि दुई जना सन्तान जन्मे , छोरी बसुधा र छोरा हरि । उनीहरु आफ्ना बुबाआमालाई भन्दा कान्छा बुबालाई बढ्ता पछ्याउँथे । रामु पनि दाजुका यी दुई जना छोराछोरीलाई असाध्यै माया गर्थे । दुवैलाई आफैँ पढाउँथे । हरि राति रामुसँगै सुत्थ्यो । कुनै दिन ठट्टा गरेर “ आमासँग सुत्न जा ” भन्यो भने ठुस्सिएर “झ्यालमा गएर उभिरहन्थ्यो । अनि रामु हाँस्दै गई बोकेर ल्याएर आफुसँगै सुताउँथे । रामु बाहिर डुल्न जाँदा हरि खुब ठाँटिएर रामुको औँला समातेर सँगसँगै जान्थ्यो । साथीहरुले ‘यो को हो ? ’ भनेर सोधे रामु ‘छोरो’ भनेर उत्तर दिन्थे । 
प्रश्नहरु -
अ) रामुको चरित्र कस्तो देखिन्छ ? 
आ) यस कथांशले कस्तो सन्देश दिएको छ ?
तलका कवितांश पढी अन्त्यमा सोधिएको प्रश्नको उत्तर दिनुहोस् ः
सडक हुँ , बाढीमा डुब्न सक्छु 
सडक हुँ , पहिरोले पुरिइन सक्छु 
माटो ढुङ्गा पन्छाए 
पानीको भेल तह लगाए 
फेरी देखिन सक्छु 
जोडिएर फेरि चालु हुन सक्छु 
सडक हुँ , हराउँदिनँ 
सडक हुँ , कहिल्यै भाँचिन्न 
मसँग यति नै अपेक्षा राख ।
अ) यहाँ सडकले कस्तो आत्मविश्वास प्रकट गरेको छ ? 
आ) उक्त कवितांशको भाव के हो ? 

१) अ) यस कथाको अशंमा रामु असल चरित्रको पात्र देखिन्छ । तर पछि रामुको बिहे भएपछि मात्रै रामुले .....

36. Prove that roots of 7m+ 3437 m = 56 also satisfies 5.4x+1 -16x=64.

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37. 15% VAT is charged on S.P. obtained by reducing discount from M.P. Calculate the selling price with VAT in the following cases.
a) M.P. = Rs. 200, discount percent = 10%
b)  M.P. = Rs. 450, discount percent = 20%
c)  M.P. = Rs. 650, discount percent = 25%
d) M.P. = Rs. 1800, discount percent = 30%

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38. There are 50 students in the class of which 40 are boys and remaining are girls. The average weight of the students is 44kg. and the average weight of girls is 40kg. Find the average weight of boys.

9.a) Here, Average weight of class = x  = 44kg Average weight of boys = x1 = ?  Average weight of grils = x2 = 40kg No. of boys = n1 = 40  No. of grils = n2 = 50 - 40 = 10  We know, combine mean = .....

39. In the given figure, AE is bisector of ∡BAC. Prove that MN // BC.

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40. वाक्य  बनाउ:
शताब्दि

अहिले हामी एक्काईस सय वर्ष अर्थात एक्काईसौं शताब्दिको शुरुआतमा .....

41. In Nepal, is there the prospect of development of medium and large-scale industry? Write.

Similarly, agriculture has been modernized and commercialized. This further helps to produce the raw materials necessary for medium and large-scale industries. The availability of human resource can be a boon to the growth and development of .....

42. If you are the Minister for Industry, which category of the industry will you prioritise? Give four reasons.

Well, Nepal is the least developed nation. It has a very small economy. The main occupation of the people in Nepal is agriculture. The development of the industrial sector is in quite a pathetic condition. Therefore, the development of .....

43. What is the total cost of paving bricks in a rectangular ground of length 20m and breadth 15m at the rate of Rs. 100 per metre square. If 10000 bricks are required to pave the ground, find the area of each brick.

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44. What is culture heritage? Name any four example of it.

The term cultural heritage is defined as the culture which we have inherited from our ancestors. The inherited culture that is practised up to this day and preserves for our future generations is called our cultural heritage. In other words, .....

45. What are the effects of acceleration due to gravity?

The effects of acceleration due to gravity are:- 1. All objects fall towards the earth's surface with the acceleration of 9.8 m/s2. 2. Any object falling with the acceleration due to gravity 'g' is called free fall.  During free .....

46. Why should we give respect to our national anthem? Describe in brief.

The national anthem is our identity. It is our glory and pride. It is our common property too. It explains the features of Nepalese people and their behaviors. It respects and addresses our cultural, biological diversity. The national anthem .....

47. तलका शब्दलाई अर्थ खुल्ने गरी वाक्यमा प्रयोग गर .
पोसाक -
सिकार -
तान-
प्रतीक्षा-
नमुना-
विवशतापूर्वक-
दरबारिया-
मुकुट -
प्रशंसा-

हामीले नेपाली पोषाकको सम्मान गर्नु पर्दछ । कसैले पनि लोपोन्मुख वन्यजन्तुको सिकार गनुृहुँदैन .....

48. Why is the Mt. Everest taken as a pride of the nation? Write any five reasons.

Mount Everest is the highest peak of the world. It lies in Nepal. It is our glory. Definitely, Mt. Everest is taken as a pride of the nation. The reasons behind this are as follows: - It helps us to introduce Nepal to the world. - It has .....

49. Frying pan has a wooden handle. Why?

Frying pan has a wooden handle because wood is a bad conductor of heat i.e. it doesn't allow the heat to flow from pan to handle. Due to this, it will be easy to hold the frying pans without hurting our .....

50. Two thin blankets are warmer than a single thick one. Why?

Air is trapped in the space between two thin blankets. Since air is an insulator of heat, it prevents the escape of body .....