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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.
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6. Find the value of xlo 3020 |
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Date 2 JulyUnit 6: Squares, Cubes and Ro.s and RootsSN-34Find the square roots of the following numbers:20012]2.1036 |
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Answer» square roots =900/121=30/11, 2)10 1/36=10×36+1/36=360+1/36= 361/36 |
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| 3. |
DatePage No.Lahat Should-be --Ro Value GtPi |
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| 4. |
hatvalueofk, given equatio5x+ky = 415x+3y = 12 |
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| 5. |
A straight line passing through the triangle (3,1) makes a triangle with the axes the area of the trisngle is 8 sq units. Find the eq of the two straight lines that satisy the given condition |
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Answer» Ques is passiing throught the point Please refer to this similar solution! |
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| 6. |
At what depth below the surface of water willpressure be equal to twice the atmospheric3ure ? The atmospheric pressure is 10 N cemdensity of water is 10-kgm-3 and g=98 ms 2ress |
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| 7. |
If f: R- R is defined by flx) 2x7, where xe R, define f:R2-R and find the value ofif1 (3).-lo atr (and) B-tan-13 at faz |
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uit uomaan and the range.Lo3.. A{ 1, 2, 3, 5} and B{4, 6, 9). Define a relation R from A to BnoR ((x, y): the difference between x and y is odd; x e A, y e BJ. Write Rroster form. |
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| 9. |
P.Tlo g2 6 lo g3 6 |
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| 10. |
the ladleăingindaralO-lo o00 o2o0- 30300- 400a.220-6000 olo 00 |
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| 11. |
Eind the Mean MediamMadelo-20-4ă¤12Llo |
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Answer» hit like if you find it useful |
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| 12. |
lo, y lolog3, Show that xyz-2. |
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| 13. |
Date5 Ro986012-lo15lo |
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tiC Hissing term in thetter series:F, FI, IL,?レIJ) OP(B) LO(D) LOlentify the missing term in the follomber series:, 23, 34, 45,?) 52) 545658 |
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| 15. |
Solve the following equatio |
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| 16. |
Solve the following equatio5x-2 |
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Answer» (5x - 2)/2 = 95x - 2 = 185x = 18 + 25x = 20x = 20/5x = 4 |
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EXERCISE 3.51. Solve the following pairs of equations by reducing them to a pair of linear equatio, in hour, be r2x 3yl 1 133x 2y 6wnstream. Then |
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upry 1 mark each.Find the values of m and n for which the following system of linear equatiohas infinitely many solutions:1.3x +4y 12(n + n)r + 2(m-n)'(5m-1) |
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Answer» From which book have you taken this question? Please tell us so that we can provide you faster answer. |
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| 19. |
Construct a right triangle whose base is 12cm and sum of its hyside is 18 cm.potenuse and other |
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26. A man denoted of his money to the school for visually impaired children. If hehad 96,000, how much did he donate? |
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Answer» here total money=96000donated=2/3 .96000he donated 64000 rupees hope this will help you like my answer |
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| 21. |
9) Find three consecutive odd numbers whose sum is 147. |
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Answer» Step-by-step explanation: Let the required numbers be (2x + 1), (2x + 3) and (2x + 5). ATQ, (2x+1) + (2x+3) + (2x+5) = 147. > 6x + 9 = 147 > 6x = 147 - 9 > 6x = 138 > x = 138/6 = 23 (2x = 23 *2 = 46) Hence, the numbers are (46+1), (46+3) and (46+5) = 47, 49 and 51 Read more on Brainly.in - https://brainly.in/question/350700#readmore Step-by-step explanation: Let the required numbers be (2x + 1), (2x + 3) and (2x + 5). ATQ, (2x+1) + (2x+3) + (2x+5) = 147. > 6x + 9 = 147 > 6x = 147 - 9 > 6x = 138 > x = 138/6 = 23 (2x = 23 *2 = 46) Hence, the numbers are (46+1), (46+3) and (46+5) = 47, 49 and 51 Read more on Brainly.in - https://brainly.in/question/350700#readmore Let the first odd number be x+1Second odd number x+3Third odd number x+5A/Qx+1+x+3+x+5=1473x+9=1473x=138 |
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| 22. |
(ii) Find three consecutive odd numbers whose sum is 93 |
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Answer» next thanks |
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| 23. |
Find three consecutive odd numbers whose sum is 1472. |
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| 24. |
Find three consecutive odd numbers whose sum is 147.Let the requtred numbers be (2x +1), (2x +3) and (2x +5) |
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| 25. |
Find three consecutive odd numbers whose sum is 147Hint. Let the required numbers be (2x +1).(2x+3) and (2x+5) |
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Answer» let the three consecutive odd no be. X-2,X,X+2sum=X-2+X+X+2=147(given )3X=147X=147/3X=49 |
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| 26. |
Find three consecutive odd numbers whose sum is 147.Hint. Let the required numbers be (2x + 1). (2x + 3) and (2x + 5). |
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Answer» no |
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| 27. |
iFind three consecutive odd numbers whose sum is 93, |
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| 28. |
1. Find the perimeter of a rectangle in which:(i) length(ii) length(iii) length16.8 cm and breadth 6.2 cm2 m 25 cm and breadth 1 m 50 cm8 m 5 dm and breadth6 m 8 dm |
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| 29. |
EXERCISE 20A1. Find the volume, lateral surface area and the total surface areaofdimensions are:(i) length 22 cm, breadth 12 cm and height 7.5 cnm(i) length 15 m, breadth 6 m and height 9 dm(iii) length 24 m, breadth 25 cm and height 6 m(iv) length 48 cm, breadth = 6 dm and height = 1 mThe dimenoi |
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| 30. |
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?luido nrhether something is alive? |
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| 31. |
The length of a rectangle exceeds its breadth by 5 cm. If the length and breadth are increased by 1cm, the area increases by 34 cm2. Find the length and breadth of the rectangle. |
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| 32. |
andbisecteachotheratlgtow that if the diagonals of a quadrilateral are equalangles, then it is a square. |
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| 33. |
A small indoor greenhouse (herbarium) is made entirely of glass panes (ibase) held together with tape. It is 30 cm long, 25 cm wide and 25 cm high.(i) What is the area of the glass?(ii) How much of tape is needed for all the 12 edges?6. |
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Answer» thank you |
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| 34. |
A small indoor greenhouse (herbarium) is made entirely of Glass panes held together with tape. it is 30 cm long, 25 cm wide and 25cm high i) what is the area of the glass? |
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Answer» Area of glass = surface area of house= 2(lb +bh + lh)= 2[ 25*25+30*25+25*30]= 2(2125)= 4250 cm² If this helped you, please hit the like button |
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| 35. |
6. A small indoor greenhouse (herbarium (is made entirely dglass panes (including base) held together with tape. It is 30 cmlong, 25 cm wide and 25 cm high.(i) What is the surface area of the glass?(ii) How much of tape is needed for all the 12 edges? |
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| 36. |
A capsule of medicine is in the shape of a phere of diameter 3.5mm.how much medicine (in cubic mm) is needed to fill this capsule? |
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Answer» There is not any answer the answer sheet is blank |
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| 37. |
. If iis the arithmetic mean of n observations,x2x, find le aiaax2ax2. If one root ofis double the other, then show thatthe quadratic equation ar' + bx+ cequatio2b2 9ac |
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Answer» hit like if you find it useful |
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| 38. |
The circumference of a circle exceeds its diameter by 16.8 cnmcircumference of the circle. |
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4. The circumference of a circle exceeds the diameter by 16.8cm. Find the circumberenethe circle |
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| 40. |
The circumference of a circle exceeds thediameter by 33.6 cm. Find the area of the circle. |
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Answer» thanks for raising the doubt C = D + 33.6C = 2πrD= 2r∴ 2πr = 2r +33.6⇒2r(π -1) = 33.6⇒2r(15/7) =33.6⇒r = (33.6×7)/30⇒r = 7.84∴circumference, 2πr = 2×(22/7)×7.84 = 49.28cm |
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the circumference of a circle exceeds its diameter by 30 cm, find the radius ofthe circle. |
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6. If the circumference of a circle exceeds its diameter by 30 cm, find the radius ofthe circle. |
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| 43. |
if the circumference of a circle exceeds its diameter by 30cm then find out the radius of the circle |
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CD is a trapezium in which AB | IDC and iteowdiagonals intersect each other at the point O SAO COBO DOthat = |
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| 45. |
(1) Two persons on the same side of a tall building notice the angle of elevation of thetop of the building to be 30° and 60° respectively. If the height of the building is72 m, find the distance between the two persons. (V31.73) |
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| 46. |
5. ABC is a right-angled triangle. Right-angeat B and O is the mid-point of AC. Show thatO is equidistant from points A, B and c |
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| 47. |
dimensions.7. The length of a rectangular hall is 5 metres more than its breadth. If the perimeterfind its length and breadth.that its length in 7 |
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| 48. |
Write the quadratic equatiowhose roots are2013 and 2-3. |
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Answer» thanks |
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| 49. |
2: In a family of 25 persons, 72% read English newspapernewspaper and the rest do not read the newspaper. Find thewhe read none of the newspapers. |
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Answer» Perosns who do not read english newspaper = 100-72 = 28% = 28% of 25 = 28*25/100 = 28/4 = 7 persons Like my answer if you find it useful! |
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| 50. |
(1) Two persons on the same side of a tall building notice the angle of elevation of thetop of the building to be 300 and 60° respectively. If the height of the building is72 m, find the distance between the two persons. (3- 1.73) |
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