Students and Teachers Forum

1. In how many years will the population of a town be 26901 from 24400 at the growth rate of 5% p.a.?

Given, Initial population ( P ) = 24400 Final population ( A ) = 26901 Growth rate ( R ) = 5% p.a. Using formula, A = P( 1 + R/100 )T 26901 = 24400( 1 + 5/100 )T 26901/24400 = ( 1 + 0.05 )T 1.1025 = ( 1.05 )T ( 1.05 )2 = ( 1.05 )T T = 2 .....

2. In how many years the population of a town will increases from 1,90,000 to 2,09,475 at the growth rate of 5% per annum? Find it. 

Here, Initial population = P = 190000 Final population = PT = 209475. Time = T = ? Rate = R = 5% We know,    PT .....

3. In 2067 BS and 2069 BS, the population of a town was 40,000 and 44,100 respectively. Find the annual population growth rate. 

Here, Initial population = P = 40000 Final population = PT = 44100. Time = T = 2069 - 2067 = 2 year. Rate = R = ? We know,     PT .....

4. The population of a town increases from 30000 to 36000 in 2 years. Find the annual population growth rate.

Here, Initial population = P = 30000 Final population = PT = 36000. Time = T = 2 year. Rate = R = ? We know, PT .....

5. The population of a village was increased from 10,000 to 11,000 in one year. Find out the population increasing rate. 

Here, Initial population = P = 10000 Final population = PT = 11000. Time = T = 1 year. Rate = R = ? We know, PT .....

6. The annual population growth rate of a town is 5% and present population is 28,665. What was the population of the town 2 years ago? Find it. 

Here, Initial population (population 2 years ago)= P = ?. Time = T = 2 year Growth rate = R = 5% Present population = PT = 28665 We know, P .....

7. A village has a population 17640. If its population growth rate is 5%, find its population before 2 years. 

Here, Initial population = P = ?. Time = T = 2 year Growth rate = R = 5% Present population = PT = 17640 We know, PT  .....

8. 2 years ago, the population of a village was 16000. The rate of population growth of that village is 5%. What is the population at present?

Here, Initial population = P = 16000. Time = T = 2 year Growth rate = R = 5% Present population = PT = ? We know, PT  .....

9. The population of a certain city in 1990 AD was 50000. If the rate of population growth was 2%, what was the population of 1992? Find it. 

Here, Initial population = P = 50000. Time = T = 1992 - 1990 = 2 years Growth rate = R = 2% Population of 1992 AD  = PT = ? We know, P .....

10. The population of a village is 6400. It increases at the rate of 5% per annum. What will be the population after one year?

Here, Initial population = P = 6400. Time = T = 1 year Growth rate = R = 5% Population after 1 year = PT = ? We know, PT  .....

11. The population of a village was 5,400 one year ago. If the population growth rate of village is 2.5%, find the population at present.

Here, Initial population = P = 5400. Time = T = 1 year Growth rate = R = 2.5% Present population = PT = ? We know, PT  .....

12. If P = Initial population, D = Number of deaths at the end and Min = No. of migrants entered after T years then write the formula to calculate the population after T years. 

Here, P = Initial population, D = Number of deaths at the end and Min = No. of migrants entered after T years The formula to calculate the population after T years = P - D + M .....

13. नेपालको ब्यापार उदारिकरण र प्रवर्धनका लागि के गर्नु पर्दछ? आफ्नो विचार प्रष्टसँग उल्लेख गर्नुहोस्।

- विश्व बजारको माग अध्ययन गरी वस्तुको उत्पादन गर्ने र नयाँ गन्तव्यको खोजी गर्ने । - .....

14. कृषि, उधोग र व्यपार विचको सम्बन्ध उल्लेख गर्नुहोस्।

कृषकले उद्योगबाट उत्पादित कृषि सामग्री बजारबाट किनेर ल्याउँछ र कृषि कार्य गर्छ । कृषिबाट .....

15. आर्थिक योजनालाई तपाई कसरी परिभाषित गर्नुहुन्छ? तपाईको आफ्नो विचार उल्लेख गर्नुहोस्।

आथिर्क योजनाको सुरुआत तत्कालीन सोभियत सङ्घले सन् १९२८ मा गरेको थियो । सोभियत रुसमा योजनाको .....

16. एउटा सफल उद्दमीकालागि आवस्यक गुणहरु उल्लेख गर्नुहोस्।

उद्यमी त्यस्तो व्यक्ति हो जसले नाफाका लागि लगानीसँग सम्बन्धित सबै किसिमका जोखिम स्वीकार .....

17. उद्दमशीलता भनेको के हो? यसको फाईदाहरु उल्लेख गर्नुहोस।

(ग) परिवर्तनको वाहक:  समाजमा एज जना मात्र उद्यमीले आफ्नो व्यवसाय स्थापना गर्दा पनि केही नयाँ .....

18. श्रमको के महत्व हुन्छ? प्रष्ट पार्नुहोस्।

देशको आर्थिक विकासमा श्रमको महत्त्वपूर्ण भूमिका रहेको हुन्छ । श्रमविना वस्तु तथा सेवाको .....

19. अन्तराष्ट्रिय शान्ति स्थापनामा नेपालको योगदानबारे चर्चा गर्नुहोस्।

- विश्व निःशस्त्रीकरण सम्मेलनका लागि समेत आह्वान गरेर आफू विश्वमा शान्तिप्रिय रहेको .....

20. What are the 3 objectives for the establishment of national parks.

Objective for the establishment of national parks are. To conserve and enhance the natural and cultural heritage of the area. To promote sustainable use of the natural resources of the area. To promote understanding and enjoyment (including .....

21. गलेश्वर धामको बारेमा लेख । (२१० शब्द)

गलेश्वर धाम  
म्याग्दीको सदरमुकाम बेनी बजारदेखि .....

22. What is soil conservation?

Soil conservation is the process of preventing erosion and loss of fertility in .....

23. Write 2 functions of nucleus.

The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear .....

24. Write 2 functions of leaf.

The leaves perform three main functions such as manufacture of food, interchange of gases between the atmosphere and the plant body and evaporation of water. It is the primary function of green .....

25. Show the life cycle of mustard plant in figure.

.....

26. The sum of semi-annual compound interest and simple interest after 1.5  years at a rate of 20% is Rs. 6310. Find the principal.

Here, Rate = 20% Time = T = 1.5 years. According to question, CI(semi-annual) + SI = Rs.6310. or, P{(1 + R/200) .....

27. The semi-annual compound interest on the sum of money at 20% per annum for 2 years is more than the simple interest on the same sum at the same rate for the same time by Rs. 6410. Find the sum.

Here, Rate = 20% Time = T = 2 years. According to question, CI(semi-annual) = SI + Rs.6410. or, P{(1 + R/200) .....

28. A sum of money amounts to Rs 1800 at a rate of 5% p.a simple interest in 10years. Find the sum and compound amount for 2 years at the same rate of interest.

Here,  A = Rs.1800 Rate = 5%. Time = 10 years. Principal = ? We know, A = P(1 + RT/100) or, 1800 = P(1 + 5 x 10/100) or, 1800 = P(3/2) or, P = Rs.1200. Again,  .....

29. At what rate of compound interest will a sum of money becomes 12564 times of itself in 3 years?

Let R be the required rate of intrest and P be the principal. Then, time = 3 years and CA = 125P/64. We know, CA = P(1 + R/100)T .....

30. The compound amounts of a sum of money in 5 years and 6 years are Rs. 24200 and Rs. 26620 respectively. Find the rate of interest compounded annually. 

Here,  You may know the formula for compound amount i.e. A = P ( 1 + r/100)T where, A = compound amount P = principal amount r = rate of interest T = number of years Since, two time period is given, You need to form two .....

31. Find the difference between the annual compound interest and semi-annual compound interest on Rs. 7500 in 15 months at 10% p.a.

Here, Principal = P = Rs.7500 Time = T = 15 months = 15/12 years = 1.25years. Rate = R = 10%. CI (semi-annually) - CI(annually) = ? We know, CI(annually) = P{(1 .....

32. Draw molecular structure of chlorine atom

.....

33. Calculate the yearly compound interest, half yearly compound interest and simple interest of Rs. 20000 for 1.5 years at the interest rate of 10% per annum. 

Here, Principal = P = Rs.20000 Time = T = 1.5 years. Rate = R = 10%. CI (annually) = ? CI(semi-annually) = ? SI = ? We know, CI(annually) = P{(1 + R/100) .....

34. If the simple interest of any principal at the rate of 10% per annum in 2 years is Rs. 1510. Find the compound interest of the same sum at the same interest rate at the same time. 

Here, Rate = R = 10% Time = T = 2 years. SI = Rs.1510 Principal = P = ? We know,  SI = PTR/100 or, Rs.1510 = P x 2 x 10/100 or, P = Rs.7550. Again,  .....

35. The compound amount of a certain sum of money in 2 years and 3 years become Rs. 8820 and Rs. 9261 respectively. Find the sum an the rate of interest. 

Here,  You may know the formula for compound amount i.e. A = P ( 1 + r/100)T where, A = compound amount P = principal amount r = rate of .....

36. Neema borrowed Rs. 24000 from a commercial bank for 3 years at the rate of 12.5% p.a. in simple interest. She lent the money to Sangita in compound interest at the same rate, how much does she will have profit after 3 years ? Find it. 

Here, P = Rs.24000 R = 12.5% T = 3 years. Profit = ?  In this case, we have to find the simple intrest at frist  S.I.=PTR/100 = 24000 ⨯ 3 ⨯12.5 / 100 = Rs.9000 Again .....

37. Find the semi-annual compound interest and compound amount of Rs. 3000 at the rate of 8% for 1 year 6 months. 

Here, P = Rs.3000 R = 8% Time = T = 1 year 6 months = 1+6/12 = 1.5 years. CI (semi-annually) = ? We know, CI (semi-annually) = P[(1 + R/200)2T - 1] = Rs.3000[(1 + 8/200)3 - 1] = Rs.3000 [ 0.124864] = Rs. .....

38. Rank rana has invested rs 720000 in secondary share market to buy some shares at rs 200 each whose initial value is rs 100 each. When the market value of these shares rose to rs 500 each,she sold some shares at rs 900000 calculate
the number of shares she still holds.
if the company decides to distribute 20% dividend,how much dividend does rani get?

No. of share he buy = Rs.720000/Rs.200 = 3600. No.of share he sold = Rs.900000/Rs.500 = 1800 So, no.of share she still holds = 3600 - 1800 = .....

39. What are the differences between seaport and dryport? 

The seaport may be defined as the place where the ships can dock directly while dry-port is the place that has access to the sea through transportation networks. Seaports are common only to the nations that have direct access to seas .....

40. 'Bad social customs create obstacles in social peace and harmony.' Prove the statement.

Social customs may be defined as the way for doing something which is specific to the time, society and place. Despite the fact that social customs are our identity, there are many bad practices in society that are being practiced in the name .....

41. What are the common social customs among all people in the world? Name them.

Social customs are the set of unwritten rules. They are more like the codes that are expected to be followed while dealing with other members of the community or society. They are expected to maintain social harmony with other members of the .....

42. Find the compound amount and interest of Rs. 10000 for 3 years at 2% per annum rate of interest for first year, 5% per annum rate of interest for second year and 10% per annum rate of interest for third year.

Here,  P = Rs.10000 R1 = 2% R2=5% R3 = 10% CA for 3 years = P(1 + R1/100)(1 + R .....

43. Find the compound amount and compound interest of principal Rs. 10000 for 2 years at the rate of 6% per annum without using formula. 

Here, P = Rs.10000 Rate = R = 6%. For the first year,  SI = PTR/100 = 10000x 1 x 8/100 = Rs.800 So, P for second year = Rs.10000 + Rs.800 = Rs.10800. SI for second year = Rs.10800 x 1 x 8 /100 = Rs.864. Finally, CA = Rs.10800 + 864 = .....

44. सत्याग्रह कस्तो आन्दोलन हो? त्यो किन स्थगन गर्नुपरेको थियोे?

नेपाली कोग्रेसले पञ्चायत बिरुद्द भद्र तथा शान्तिपूर्ण आन्दोलनको रूपमा २०४२ सालमा गरेको .....

45. कैलाश सत्यार्थीले चलाएको बालपन बचाऔँ आन्दोलन जस्तै आन्दोलन हाम्रो समाजमा पनिे चलायो भने कस्तो परिवर्तन आउला ?

हाम्रो समाजमा पनि यो आन्दोलन चलायो भने निम्नानुसारका परिवर्तन आउन सक्छ: - बालबालिकालाई .....

46. सामाजिक नियमहरू किन बनाइएका हुन्छन् ?

सामाजिक नियमहरू अलिखित नियमहरु हुन । समाजिक नियमले समाजमा सद्भब कायम गर्न मद्दत गर्छ । यस्ले .....

47. At what rate percent per annum, compound interest on Rs. 576 amounts Rs. 625 in 2 years?

Here, P = Rs.576 CA = Rs.625  Time = T = 2 years Rate = R = ? We know, CA = P(1 + R/100)T   or, 625 = 576(1 + R/100)2 or, 625/576 = (1 + R/100)2  Taking square root on both sides we get or, 25/24 = (1 + .....

48. Bijaya deposited Rs. 10000 in a bank if the bank gives 8% p.a. compound interest, find the compound amount after 1 year 6 months. 

Here, P = Rs.10000 Rate = R = 8% Time = T = 1 year and 6 months = 1.5 years CA = ? We know, CA = P(1 + R/100)T  = Rs.10000(1 + 8/100)1.5 = Rs.10000 x 1.081.5 Calculate .....

49. After allowing 10% discount on market price of a machine and then levying 10% VAT, the final price of machine becomes Rs. 99,00,000. Find the marked price of the machine in Euro (€). [€ 1 = Rs. 118]

Let marked price of the machine be x. Given, Discount percent = 10% VAT percent = 10% SP with VAT = Rs 99000 Using formula, Discount amount = Discount % of MP                         .....

50. A sari is sold for Rs. 37500 and a profit of Singapore dollar 50 is made. If 1 Singapore dollar = Rs. 75 then find the cost price of the sari in Singapore dollar. 

Here,  SP of Sari = Rs.37500 = 37500/75 Singapure dollar = S.D. 500. Profit = S.D. 50 CP = ? We know,  Profit = SP- CP Use values and find .....