Saved Bookmarks
This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
(2) As deduced from a survey, the classification of skilled workers is shown in the pie diagram. Ithe number of workers in the production sector is 4500, then what is the total number of skilledworkers in all fhelds?Others13872Hotel |
|
Answer» In pie chart production sector angle is 90Its percentage = (90/360)*100 = (1/4)*100 = 25%Let total no. Of skilled workers = nGiven(25/100)*n = 4500n = 4500*4 = 18000 Hotel workers percentage = (36/360)*100 = 10%Hotel workers = (10/100) *18000 = 1800 Construction workers percentage = (72/360)*100 = 20%Construction workers = (20/100) *18000 = 3600 Agriculture workers percentage = (24/360)*100 = 6.6%Agriculture workers = (6.6/100) *18000 = 1188 Other workers percentage = (138/360)*100 = 38.4Other workers = (38.4/100) *18000 = 6912
|
|
| 2. |
circle with diameter 35 mm. The wire is also usedmaking 5 diam eters which divide the circle intoequal sectors as shown in Fig. 12.12. Find(i) the total length ofthe silver wire required.(i) the area of each sector of the brooch. |
| Answer» | |
| 3. |
rooch is made with silver wire in the form or acirele with diameter 35 mm. The wire is alsoking 5 diameters which divide the circle into 10equal sectors as shown in Fig. 5.12. Find() the total length ofthe silver wirc required(ii) the arca of each sector of the brooch. |
| Answer» | |
| 4. |
un7. Solve -7. |
|
Answer» 1/4 - 5/12= 1(12)-5(4)/48=12-20/48=8/48=6 6 is correct answer the question -1/6 is the correct answer of the given question 12-5(4)/48=12-20/48=-8/48=-6 -1/6 is correct answer -1/6 is correct answer the following question -1/6 is correct answer -1/6 is the right answer. 1/4 -5/12LCM of 4 & 12 is 12=1×3/4×3 - 5/12=3/12 - 5/12=3-5/12=(-2)/12=(-1)/6 is the answer the correct answer is -1/6 -2/12 is the correct 1/4-5/12lcm of 4 and 12=123/12-5/122/121/6 (3-5)/12-1/6is correct answer |
|
| 5. |
9. A brooch is m ade with silver wire in the form of acirce with dameter 35 mm. The wire is also used inmaking 5 diam eters which divide the circle into 10equal sectors as shown in Fig. 12.12. Find(i) the total length ofthe silver wire required.(ii) the area ofech sector of the brooch. |
| Answer» | |
| 6. |
WIJ Un check your results:(b) 8x + 2 = 3x + 7d) |
|
Answer» 8x+ (21/4) =3x+732x+21=4(3x+7)32x+21=12x+2832x-12x=28-2120x=7x=7/20 |
|
| 7. |
Pxarmple9 The coefficients oi three consecultive terms in the expansion of ( + aare in the ratiol: 7:42. Find n. |
|
Answer» nCr-1: nCr:nCr+1 =1:7:42 r/(n-r+1) = 1/7 8r = n + 1 (r+1)/(n-r) = 7/42 = 1/6 7r = n - 6 r = 7 |
|
| 8. |
18. Find the co-ordinate oi a point P on the line segmeut joining A(l, 2) and B (6, 7) such thal APAB |
|
Answer» P is on AB such that AP = 2/5 * ABAP/AB = 2/5AP/AB = 2/5by compodendo-dividendo, AP/(AB-AP) = 2/(5-2)OR AP/PB = 2/3.This means that P divides AB in the ratio 2:3.Hence, P has co-ordinates as follows:Abscissa (2*6 + 3*1) / (3+2) = 3Ordinaate (2*7 + 3*2) / (3+2) = 4Hence,P(3,4)is the point. |
|
| 9. |
Parallelogram circumscribing a circle is a |
|
Answer» Ans :- parallelogram circumscribing a circle is a rhombus. |
|
| 10. |
prove that the parallelogram circumscribing a circle is a rhombus |
| Answer» | |
| 11. |
Prove that the parallelogram circumscribing a circle is a rhombus. |
|
Answer» thanks |
|
| 12. |
Prove that the parallelogram circumscribing acircle is a rhombus. |
| Answer» | |
| 13. |
prove that the parallelogram circumscribing a circle is a rhombus. |
| Answer» | |
| 14. |
prove that the parallelogram circumscribing a circle is a rhombus |
| Answer» | |
| 15. |
1)State the quadrant of the following pointsa) D(-8,-9) b) C(4, -7) |
|
Answer» thanks Bro.. |
|
| 16. |
18. Prove that the parallelogram circumscribing a circle is a rhombus. |
| Answer» | |
| 17. |
er on a headland sees a ship due north of him; after an hour he sees it due east and after another half-hour heuth-east; find the angle that the ship's course makesan and the time after the ship is first seen until it issupposing that it sails uniformly in a straightpearesag An observerwith the meridiannearest the observer,line.t the observer,g along a straight road, which runs in a direction as |
| Answer» | |
| 18. |
the amount and the compound interest palu DJthe interest is compounded annually.6. Ravi purchased a house from DDA on credit. If the cost of the house is 7,50,00and DDA charges interest at 6% per annum compounded annually, find theinterest paid by Ravi if he makes payment to DDA after three years.en Interest is Compounded Half-Yearly |
| Answer» | |
| 19. |
3.On Rs 40000 for 3 years at 15% pa, interest compounded annually. |
| Answer» | |
| 20. |
Rishi borrowed 720,000 for 3 years at the rate of 8.5% pa. simple interest, while Johnborrowed the same amount for the same period at 8% pa. compounded annually.paid less interest and by how much?Whoat the rate of 12% n a compounded annually. He repays |
| Answer» | |
| 21. |
A certain sum amounts to ? 1296 in 4 years at 20 % per annum compound interest , compounded annually. Calculate the sum. |
|
Answer» 1296=P(1+20/100)^41296=P(1.2)(1.2)(1.2)(1.2)so P=1296/2.0736=625 |
|
| 22. |
the bankrincipal, if the compound interest compounded annually at the rate of 4I the pfor 2 years is81 60. |
| Answer» | |
| 23. |
M I UI seats on the plane.s height increased by 4% this year. The increase in height is 5 cm. How tall is she this4. Aanchal's height increasedyear? |
|
Answer» Let her height be x ⊙ Now , it increased by 4% = 4x/100 The height increase is 5 cm. Now , 4x/100=5 ⊙ 4x=500 ⊙ x =500/4=125. so, her height now is 125 Cm. ⊙ Let her height be x ⊙ Now , it increased by 4% = 4x/100 The height increase is 5 cm. Now , 4x/100=5 ⊙ 4x=500 ⊙ x =500/4=125. so, her height now is 125 Cm. 5/4 X 100= 125 cm,,,,,,,,, Let the height of the girl be x.Now according to the question,4% of x =54/100*x=5x = 5*100/4x = 125therefore, her height in this year is 125+5=130 your Answer is 125 cm |
|
| 24. |
01 Jay bought Pens at E120 a dozen the solaIt for Ĺ˝ 15 each what is his profit |
| Answer» | |
| 25. |
15. f(x)1+x'f(f())=1,x#01[HS 1995, JEE 1984) |
| Answer» | |
| 26. |
121752.45. If selling price of 10 articles is equal to cost price of 15 articles, then find loss orgain %?(O)0170 |
|
Answer» three angle of a quadrilateral are equal and its fourth angle is right angle find the measure of each 3 angles are equal and 4rth will be righy angle 3 angles of quadrilateral are equal and its fourt angle is righy angle. |
|
| 27. |
The average monthly salary of 15 workers in a factory is 285. If the salary of the manager isincluded, the average becomes 335. What is the manager's salary? |
|
Answer» Here average monthly salary of 15 workers is 285 So sum of salary of 15 worker = 15 * 285 = 4275 If salary of manager included then average salary become 355 So sum of salary of 15 worker and manager= 16 * 355 = 5680 Hence manager's salary = sum of salary of 15 worker and manager's salary - sum of salary of 15 worker = 5680 - 4275=1405Hence salary of manager is 1405 |
|
| 28. |
The mean of the monthly salaries of15 workers of a company is 2930. A newworker with monthly salary 3138 joins thecompany. Find the new mean monthly salaryof 16 workers. |
| Answer» | |
| 29. |
UI LIieul lTle Culfeht year, that is, 4,270 is also incluIn a factory the total number of workers are 25. Out of them, the average monthlyof 15 workers is 8500 whereas the other 10 workers have an average salary ofFind the monthly average salary of all the 25 workers. |
|
Answer» total of 15 workers salary = 15 × 8500 = 127500 total of other 10 workers salary = 10 × 9800 = 98000 average of 25 workers salary = (127500+98000)/25 = 9020 |
|
| 30. |
The mean of the monthly salaries of15 workers of a company is R 2930. A newworker with monthly salary 3138 joins thecompany. Find the new mean monthly salaryof 16 workers. |
| Answer» | |
| 31. |
OrA brooch is made with silver wire in the form of a circle Awith diameter 35 mm. The wire is also used in making5 diameters which divide the circle into 10 equal sectorsas shown in the given figure. Find (i) the total length ofthe silver wire required (ii) The area of each sector of thebrooch. (use Ď-22/7). |
|
Answer» Given,Diameter = d = 35mmRadius of the circle =r= d/2=35/2Circumference of brooch = 2πr = 2*22/7*35/2 = 110mmLength of wire required = 110 + 5 x 35 = 110 + 175 = 285mm |
|
| 32. |
9 A brooch is m ade with silver wire in the irm of achcie with dancotoar 35 mm. The wire isalso used inmaking 5 dian eters which divide the circle into Iooqual sactors as shown in Fig 12.12. Find :เก6) the total length ofthe silver wire required(Gi) the area of cach sactor of the brooch.ig. 12.12 |
| Answer» | |
| 33. |
Moon III11. A hollow cylinderical pipe is 63 em long. Its outer and inner diameters are 14 cm12㎝ respectively Find the volume of the iron used in making the pipe. |
| Answer» | |
| 34. |
A hollow cylindrical pipe is 210 cm long. Its outer and inner diameters are10 cm and 6 cm respectively. Find the volume of copper used in making thepipe. |
| Answer» | |
| 35. |
Q. 3. A hollow cylindrical copper pipe is 21 dm long. Its outerand inner diameters are 10 cm and 6 cm respectively. Find the volumeof the copper used in making the pipe. |
| Answer» | |
| 36. |
9. Which of the following statements is correct?45 |
| Answer» | |
| 37. |
Write negations of the following statements.(i) Rome is in Italy |
|
Answer» i) Rome is not in Italy.... ( negation means that the statement should be false..and it is false ) |
|
| 38. |
( (01 1 2 27,४ । ताल कर रहे ।का तक, 2017 |
|
Answer» जूते का विक्रय मूल्य 360 है |
|
| 39. |
Write duals of the following statements.(6) (pAq)vr(ii) Tv(pvg) |
|
Answer» i){(p^q)ν r}ˡ=(p^q)ˡ^rˡ=pˡvqˡ^rˡ thanks |
|
| 40. |
A CD box holds 12 CDs. Howmany CDs will 8 such boxes have? |
|
Answer» 1 box =12 cd8 boxes will contain =12×8=96 cds |
|
| 41. |
Kristin received a CD player for her birthday. She bought3 CDs and received 5 others as gifts. What fraction of her total CDs did she buand what fraction did she receive as gifts? |
|
Answer» thanks |
|
| 42. |
.The weekly wages (In rupees) of'28 workers of a factory are given below 668, 610, 642, 658. 668, 620, 702,704. 678, 615, 640, 680, 719, 716, 720, 705, 700, 615, 690. 636, 710, 656, 642, 672, 694, 654, 706. 718construct a frequency table with equal class interval as 610-630. |
| Answer» | |
| 43. |
11. A car has two wipers which do not overlap. Eachwiper has a blade of length 25 cm sweeping throughan angle of 115°. Find the total area cleaned at eachsweep of the blades.Fig. 1 |
| Answer» | |
| 44. |
Pecet nustnut tihe Expenditure does not increase?I, Mohan's income is Rs 15500 per month. He saves 11% of hisincome. If his incomeincreases by 10%, then he reduces his saving by 1%, how much does he save now?Shikha's income is 60% more than that of Sh 1 |
| Answer» | |
| 45. |
The daily consumption of milk by a familis 12 litres. Find the total consumptiof milk by the family in the month34March |
|
Answer» milk consumption in 1day=1(3/4)=1.75litresno. of days in march month=31milk consumption in 31 days = 1.75×31=54.25litres |
|
| 46. |
car has two wipers which do not overlap. Eachwiper has a blade of length 25 cm sweeping throughan angle of 115o. Find the total area cleaned at eachsweep of the blades. |
| Answer» | |
| 47. |
A car has two wipers which do not overlap. Eachwiper has a blade of length 25 cm sweeping throughan angle of 115o. Find the total area cleaned at eachsweep of the blades. |
|
Answer» thank you |
|
| 48. |
The product of two rational numbers is always a______ |
|
Answer» The product of two rational number is always rational |
|
| 49. |
A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of 115. Find the local area cleaned at each sweep of the blades. |
| Answer» | |
| 50. |
The product of two rational numbers is always a_____ |
|
Answer» The product of two rational numbers is rational." |
|