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. |
Hence possIVE ULUNo.ElementsPossible ordersNumber of possible Orde31x9, 9X1, 3X33.201001x10, 10x1,2x5, 5x2you find any relationship between number of elements (secondof possible orders (fourth column)? If so, what is it? |
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Answer» 1. )4= 2×2,4×1,1×4=32. )9= 1×9,9×1,3×3=33. )20=20×1,1×20,10×2,2×10,5×4,4×5=64. )8= 8×1,1×8,4×2,2×4=45.)1= 1×1=16.)100= 100×1,1×100,10×10,20×5,5×20,50×2,2×50,25×4,4×25=9 7.)10= 10×1,1×10,5×2,2×5=4 1) 4x1, 1x4, 4=2×2; 2)9×1, 1x9, 3x3=9, 3)5×4, 10x2, 20x1,;; 4)8=4×2, 2x4, 8x1, 5)5=5×1=1×5; 6) 100=1×100, 2x50, 4x25, 5x20, 25x4, |
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| 2. |
36. Musa, Keino and Ochiri scoredgoals for their team during afootball match. Musa scored ngoals while Ochiri scored twice asmany goals as Musa. Keino scoredtwo goals less than Ochiri. Whatwas their total score?A. 5n 2 B. 2n 2C. 2n 2 D 3n 2 |
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| 3. |
trix has 5 elements,write all possible orders it can have. |
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| 4. |
2. If a matrix has 24 elements, what are the possible orders it can have? What, ifhas 13 elements? |
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Answer» If a matrix has 24 elements then all possible orders it can have are: (2×12), (3×8),(4×6), (6×4),(8×3),(12×2).if it have 13 elements then,it have orders: (1×13),(13×1) sorry...some mistakes are there in this answer |
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| 5. |
4.If a matrix has 8 elements, what are possible orders it can have? What if it was 5 clements? |
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| 6. |
. The letters of the word 'ZENITH' are written in all possible orders. How manywords are possible if all these words are written out as in a dictionary ? What is therank of the word 'ZENITH'? |
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| 7. |
The letters of the word 'ZENITH' are written in all possible orders. How manywords are possible if all these words are written out as in a dictionary? What is therank of the word 'ZENITH'? |
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| 8. |
Volume and Surface Area509s the diameter of a sphere is 6 cm. It is melted and drawn into a wire ofdanetee 2 mum Find the length of the wire |
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| 9. |
6. Find the domain of 1-2 sin a |
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| 10. |
6.The moon's distane from the earth is 3,60,000 kms and its diameter subtends an angle of31' at the eye of the observer. Find the diameter of the moon. |
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| 11. |
IL(ii) Take any pollll II(iii) Take any point in (3,0), sayFor all x, in the intervals (-00, 2) and (3, ), 32 -22 - 5x + 6 is zero. Thus, V.x2 - 5x + 6 is defined for allHence the domain of Vx2 – 5x + 6 is (-0,2 U 13,00).Example 1.22 Find the domai1-2 cosSolution:The function is defined for all 2 e R except 1 - 2 cosaexcept = 2n1 ,n e Z. Hence the domain is R - 2 |
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Answer» fuck off baby you want fick off |
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| 12. |
Write the domain of the function f(x) =-52 +6 |
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Answer» Domian of function f(x) = x/(x² -5x +6) is where denominator not become zero So, x² - 5x + 6 = 0 x² -2x - 3x + 6 = 0 x ( x - 2) - 3( x - 2) = 0 (x - 2) ( x - 3) = 0 So, x = 2,3 Therefore, domain is R - { 2,3} |
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| 13. |
11. Find the domain of the following real functions:(6) f(x) = vx-2 (ii) f(x) = V2 – 3x (iii) f |
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| 14. |
at is its domain and 1ansA 11, 2, 3, 4, 6). Let R be the,EA, b is exactly divisible by a)Write R in roster formrelation on A defined by(i)() Find the domain of RFind the range of R. |
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| 15. |
Using ruler and compasses only draw an angle of measure 135° |
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| 16. |
Review aPreviewUse the relationship graphed at rightto answer the questions below.a. Is the relationship a function?b. What is the domain?c. What is the range?66 |
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Answer» a) no as for X=0 y=-6 & 6 bothb) domain=[-6,6 ]C) range=[-2,2] A. It is a function.B. Domain [-6,6]C. Range [-4,4] |
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| 17. |
line segment AB = 6.8 cm. Takocm. Take any point P outside it. Using ruler and comes1. Draw a linethrough P parallel to AB.. Using ruler and compasses, draw a line |
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| 18. |
9. Using ruler and compass, constructZXYZ = 1050 |
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Answer» First of all we need to know that 105 is a combination of angles, 60°and45°draw yz a line of any measureat y, draw a semicircle.keeping pointer at the right side of semicircle without changing measure, cut an arc.and thats ur 60°now we need to construct 45°we all know that it is the half of 90so keeping pointer at 60, cut an arc on the semicircle, remember not to change the measure.now keeping pointer at that arc, cut another arckeeping pointer at the two new lately contructed arc and bisect it. u'll get 90°.now bisect that 90 and u'll get 45so 45 + 60 together u'll get 105° |
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| 19. |
Construct a 10 cm long line segment and divide it into 3: 2 using ruler and compass. Measure its length7. |
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Answer» to divide it let in x ratio. so parts will be 3x and 2 x ATQ, 3x+2x = 10 so x = 2therefore lengths are 6 cm and 4 cm |
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| 20. |
U-Like11. Draw a line segment AB of length 7 cm. Using ruler and compasses, find a ponPuAP 3AB 5 |
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| 21. |
sum of two angles of a triangle is 85° and their difference is 25°. Find all three angles fThetriangle. |
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Answer» let x and y be two anglesx+y=85x-y=25adding both equations2x=110x=55y=x-25=55-25=30let z be third anglethen z=180-(x+y)=180-85=95 Thanks |
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| 22. |
25. The area of the base of a right circular cylinder is 616cm2 & its height is 2.5cm find the volumeof the cylinder |
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| 23. |
3. Yesi's dog weighed 5 pounds when she got him. He nowweighs 45 pounds. How much weight did Yesi's dog gain,in ounces? |
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Answer» the dog gain 40 pound weight after she brought please sir give me like 40 pounds is the answer |
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| 24. |
Each triangle weighs 2.5 pounds, each circle weighs 3pounds, and x represents the weight of each square.Select all equations that represent the hanger. |
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Answer» x+x+x+x+11= x+11.54x+5+6=2x+2.5+6 |
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| 25. |
Algebra Il-StudyracticeVrite an inequality for the problem and determine the constraints on the variables.Tran is packing a box of books and toys to be shipped. Each book weighs 3 pounds and each toy weighs 05pound. The total weight of the box must be less than 10 pounds... Reza and James have started exercising together. When they started, Reza weighed 185 pounds and Jamesweighed 180 pounds. After 10 weeks, Reza weighed less than James. Assume that the weight change foreach man was about the same, on average, each week. |
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| 26. |
4. If a mall earnpounds cost 1057.50, how many pounds can be purchased in R 2467.50?diosel How many litres of diesel is required to run the |
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Answer» = Cost of 15 pounds ---- rs 1057.50 = Pounds that can be purchased in rs 2467.50 ----- 15 * 2467.50 / 1057.50 = 35 pounds. |
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| 27. |
Find a number such that when it is added to two-thirds of itself, the result is 70. |
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Answer» let the number be x. x+2÷3*x = 70 3x+2x÷3 = 70 5x÷3 = 70 5x = 210 x = 210÷5 = 42 42 is the answer |
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| 28. |
The third, fourth and fifth terms in the expansion of (x + ay in descending powers ofare 84, 280, 560 respectively; find x, a and nFind α, if the 17th and 18th terms of the expansion (2-a)50 are equal.INCERT |
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| 29. |
3.Four equal circles are described about the four corners of the square, such that each toucheothets as shown in the figure.s two of theFind the area of shaded region,each side of the square measuring 14cm.cmy /cmcmCm/cm7cm/Vcm |
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| 30. |
ही २९Wh | -W | =H |- |
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Answer» If you like the solution, Please give it a 👍 |
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| 31. |
9. Findthe lateral or curved surface area of a closed cylindrical petrol storage tank that is4.2 m in diameter and 4.5 m high.(0)(ü) how much steel was actually used, if iz of the steel actually used was wasted in12making the tank. |
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| 32. |
ong and 18 m wide at(c) 240022.50 per metre is(d)(b)234033404. The cost of fencing a rectangular field at 30 per metres? 2400. If the length o24 m, then its breadth is(a) 8 m(b) 16 m(c) 18 m(d) 24 m5. The area of a rectanpular |
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| 33. |
Find the area of the square with the following sides:(a) 15 m(c) 9 m2.(b) 12 cm(d) 24 cmMaths-4 110 |
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| 34. |
(b) What is two thirds of ninety nine? |
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| 35. |
Two-thirds of a number decreased by 4 is equal to 1. Find the number. |
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| 36. |
88. भाग की एक क्रिया में भागफल 403, भाजक 100 तथा शेषफल 58 है. भाज्य कितना है?(a) 40458 (b) 34058(c) 43058(d) 40358 । |
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Answer» D) is the correct answer 403×100+58=40385So the answer is (d) 40358 is the correct answer option d is correct answer भाज्य =भाजक ×भागफल +शेष =100×403+58=40300+58=40358 a correct answer is (d) 40358. 4058is the correct answer of your question. |
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| 37. |
t. Two-thirds of a number decreased by 4 is equal to 1. Find the number. |
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Answer» thank you so much |
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| 38. |
2. A number when added to its two-thirds is equal to 55. Find the number. |
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| 39. |
Two-thirds of the number is increased by 9, the sum will be 19, find the number. |
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Answer» Let the number be n As per given condition2n/3 + 9 = 192n/3 = 19-92n/3 = 102n = 30n = 15 Number is 15 |
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| 40. |
It two thirds of a rational nomber exceedsits three fifth by 13. find the rational number. |
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Answer» Let the ration number be xSo,Two-third of x will be = 2/3 xThree-fifth of x = 3/5 xso,2/3 x - 3/5 x =1(3/4)= 7/4x (2/3 - 3/5) = 7/4x (10/15 - 9/15) = 7/4x ( 1/15) = 7/4x = 7/4 * 15x = 105/4 Therefore, rational number is 105/4 |
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| 41. |
3Four-lfths of a number is 10 more than two-thirds of the number, Vind the number |
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| 42. |
of the steel actually used was wasted in12.In Fig. 1you see the fr1l- a decorative cloth. The frame has It is to be covered wA margin of 2.5 cm is to be given for falhe frame of a lampshade. It is to be covered withhas a base diameter of 20 cm and height.of bottom of the frame. Find tho30 cm. A rof the frame. Find haube given for f |
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| 43. |
indthe lateral or curved surface area of a closed cylindrical petrol storage tank that is4.2 m in diameter and 4.5 m high.) how much steel was actually used, ifof the steel actually used was wasted in12making the tank. |
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| 44. |
(2) The dimensions of a cuboid are 44 cm, 21 cm and 12 em. It is melted and a cone ofheight 24 cm is made. Find the radius of its base. |
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Answer» We know, volume of a cuboid = l×b×hvolume = 44×21×12 = 11,088 cm³ Now, volume of cone = 1/3(πr²h) 11,088 = 1/3(π×r×r×24)11,088 = πr²×8πr²= 1386r² = (1386×7)/22r² = 441r = 21 cm Therefore, radius of its base is 21cm. |
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| 45. |
5. A joker's cap is conical in shape. If the radius of its base is 10 em and height is 24e is 10 cm and height is 24 carea of sheet required to make 7 such caps.nto were made to stay in a conical tent having base d |
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Answer» wrong answer |
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| 46. |
9. Findthe lateral or curved surface area of a closed cylindrical petrol storage tank that is4.2 m in diameter and 4.5 m high.how much steel was actually used, if ofthe steel actually used was wasted inmaking the tank.(1)(i)" 12 |
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| 47. |
9. Findthe lateral or curved surface area ofa closed cylindrical petrol storage tank that is4.2 m in diameter and 4.5 m higlh.(i)(ii) how much steel was actually used, if of the steel actually used was wasted inmaking the tank |
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| 48. |
11. Two dice are thrown at the same time and the product of mumbers apearing on them is 2noted. Find the probability that the product is a prime number |
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Answer» Here,maximum outcomes:36 possible outcomes as product of prime numbers: (1,2), (2,1), (1,3), (3,1), (1,5), (5,1). therefore P(getting product a prime number) =>6/36 =>1/6 |
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| 49. |
sum of two mumbers is 25 and the sum of their cubes is4825. What are the numbers? |
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Answer» hit like if you find it useful |
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| 50. |
v) 403 vi) vii)V1) :58-888viii) i30 ii5060i 50 |
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Answer» (v) i^403=i^400*i^3=1*i^3=i^2*i=-i(vi)1/(i^58)=1/(i^56*i^2)=1/(1*(-1))=-1(vii)i^(-888)=i^888=1(viii)i^30+i^40+i^50+i^60=i^28*i^2+1+i^48*i^2+1 = 1*i^2+1+1*i^2+1=-1+1-1+1=0 |
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