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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.
| 1. |
6.By what number shouldin order to produce ?be multipliedRa |
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| 2. |
52. It (23*** 10) = 726, then ra0 -2 (1122 puni (4) a |
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Answer» X= 2is the answer to that questionas2^5+10= 42and 42/7= 6thanks x=2 is the right answer. |
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| 3. |
AERCISE 2.21. Find the zeroes of the following quadratic polynomials and verify the relationship betwthe zeroes and the coefficients.(0) -2x- 8(iv) 4u24 811(ii) 4s- 4s+ 1(v) - 15(ii) 6x2- 3-7x(vi) 3x2 -x-4Find a quadratic polynomial each with the given numbers as the sum and product |
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| 4. |
Cross out numbeCross out all theCross out everyContinue with 5.than 100.2 Write the recipr2Square nunThe number 1 can1 squared' or '1 raThe number 4 can |
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Answer» reciprocal of 1/8 is 8 reciprocal of 3/2 is 2/3 who are you |
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| 5. |
c) Prove that (~paq) =~pv~q (using truthtale), |
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| 6. |
(115)*8 |
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Answer» 920 the correct answer the question 920 the. correct. answer 920 is the right answer 920 is the correct answer of the given question 920 is the answer of the following quetion 920 is the correct answe.. |
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| 7. |
By /. x2-3x+2Q,}/ lim x34+3'—__——x—1x°-4x+3 |
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Answer» if we put x=1 we will get 0/0 form so using L'hospital rule lim x->1 (2x-3)/(3x*x-4) = (2-3)/(3-4) = (-1)/(-1) = 1 Hmm |
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| 8. |
AB=AC तथा ACD = 115°, BAC =? |
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Answer» 1 2 |
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| 9. |
(IV) 115Ü Ü |
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| 10. |
(e) of theseU. The frustrum of a right circular cone has theradii of base 4 cm, of the top 2 cm and aheight of 6 cm. Find the volume of thefrustrum. |
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Answer» External volume =20×12×5=1200cm220×12×5=1200cm2 Internal volume =(20−2)×(12−2)×(5−2)(20−2)×(12−2)×(5−2) =18×10×3=540cm218×10×3=540cm2 Therefore, Volume of the metal = External volume - Internal volume = 1200 - 540 =660cm3660cm3. Volume =πh3(R2+r2+Rr)πh3(R2+r2+Rr)  =227×63×(16+4+8)227×63×(16+4+8) =227×2×28=22×8227×2×28=22×8 =176cm3 |
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| 11. |
calculate 115 % of 110520Rs |
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Answer» 110520×100/115 =9610.434 approx |
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| 12. |
The ratio 92: 115 in its simplest form is |
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| 13. |
115. Ifthe ratio of tlhe sums of n terms of two Ap's isn+7:3n+ 1, then find the ratio of the 7th terms of the series |
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| 14. |
.011. Solve for x.4V3x2 + 5x - 2y3 = 0(ii) x2 + 482 x + 6(1) 223 + 27 87(iv) 28222 + 4x + V2iv) ** -- 2V3x + 2 |
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Answer» 1) 4√3x^2+5x-2√3=04√3x^2+8x-3x-2√3=04x(√3x+2)-√3(√3x+2)=0(√3x+2)(4x-√3)=0either √3x+2=0√3x= -2x= -2/√3= 2√3/3or 4x-√3=04x= √3x= √3/4 2) x^2+4√2x+6=0x= -4√2+-√(4√2)^2-4×1×6/2 = -4√2+-√32-24/2 = -4√2+-√8/2 = -4√2+-2√2/2= -2√2/2= -√2x= -4√2-2√2/2 = -6√2/2= -3√2 = 4√2+2√2/2= (i)4V3x^2+5x-2V3; 4V3x^2+8x-3x-2V3=0; 4x(V3x+2)-V3( V3x+2); (4x-V3)(V3x+2)=0; 4x=V3; x=V3/4; x=-2/V3=2V3/3; 2)x^2+4V2+6=0; x=-4V2+V(4V2)^2-4x1x6/2 =0 =4V2+V32-24/2 =-4V2+V8/2=0 -2V2/2=-V2; x=-4V2-2V2/2=-3V2 |
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| 15. |
PO -PVPILIULUI10. Find the zeros of the polynomial x2-4 |
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Answer» x² - 4 = 0 (x - 2) ( x + 2) = 0 So, x = 2, - 2 |
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| 16. |
ra fionaNumber0 4S |
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Answer» Let x = 0.45 bar ----1equation As there are 2{ 4 and 5} numbers under the bar, multiply by 100 on both sides, 100x = 45.45 bar Then, subtract eq(1), 100x - x = 45.45 bar - 0.45 bar => 99x = 45 [ bar cancel ] => x = 45/99 => x = 15/33 => x = 5/11 Hence, 0.45 bar in p/q form is 5/11 |
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| 17. |
showthatra(b-o) :abca-c) |
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| 18. |
A triangle and a parallelogram have the same base and the same area. If the sides of triangle are 26cmnd the parallelogram stands on the base 28cm. Find the height of the parallelogram |
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| 19. |
\begin{array} { l } { \text { (iii) if G be the centroid of a triangle ABC, } } \\ { \mathrm { AB } ^ { 2 } + \mathrm { BC } ^ { 2 } + \mathrm { CA } ^ { 2 } = 3 \left( \mathrm { GA } ^ { 2 } + \mathrm { GB } ^ { 2 } + \mathrm { GC } ^ { 2 } \right) } \end{array} |
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| 20. |
7. A triangle and a parallelogram have the same base and the same area. If the sides of the triangleare 13, 14 and 15 cm and parallelogram stands on the base 14 cm, find the height of theparallelogram. |
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| 21. |
11. A triangle and a parallelogram have the same base and the same area. If the sids dfthe triangle are 13 cm, 14 cm and 15 cm and the parallelogram stands on the base 4cm, find the height of the parallelogram. |
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Answer» Thanks Sir..... |
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| 22. |
115: (02 25 :हि न =7( T ) (—l25)o () o 9.me -9 G 3 7 |
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| 23. |
x2 - 9x + 208. limx 75 x2 - 6x +5 |
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| 24. |
540 \div 2 \pi 115 - 3 \times ( 6418 \div 8 ) |
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| 25. |
Prove that ΔΑΒΕ ΔDCEGive reasons to support your answerandAlso state the congruence condition. |
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| 26. |
HOTS115 + 3 * (-5)/1, then value o31. A-9-25 (56 - (47 - 13 + 26 * 4 of 2)} and B - 113A+ - Bis(A) 160(B) 153C) 316(D) -316 |
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Answer» -106266. is the correct answer of the given question -106266 is the correct answer of the given question |
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| 27. |
1. The ratio 92 115 in its simplest form is(a) 23: 25(b) 18:23(c)3:5(d) 4:5 |
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| 28. |
(viii) lim* V2 x2 + 2x44 |
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| 29. |
3x2 -x - 10x2 4Find lim |
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| 30. |
, x2-4x +38Evaluate the limit: ;lim |
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| 31. |
Ifone angle of parallelogram is 90° then the parallelogram isa) Rectangle b) Rhombus c) Trapezium d) Kite |
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Answer» It will be a rectangle as a rectangle has opposite sides equal. |
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| 32. |
RANUMBERS. 4 The srea of a rectangle is 4516 inom. If one edge is 64 em, find the other fr |
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Answer» area of rectangle = l*b 45 5/16 = 6 1/4*x 725/16 * 4/25 = x x = 29/4 = 7 1/4 cm |
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| 33. |
14 The area of a rectangular slab is 4516 cm2. If one of its sides is 64 cm, find the other side |
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| 34. |
Ä°Ä°, Solve the differential equation (x2 +y) dr-2xydy-0.(Ch. 7)4 |
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| 35. |
2. In the figure, ABCD is Ea parallelogram. E isthe mid-point of DOcand through D, aline segment is drawnparallel to EB to meet CBproduced at G and it cuts AB atF.Prove that:1(6) ADGC () DG 22thematics-IX |
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| 36. |
limx→4x-64X2-16(3) |
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| 37. |
44Evaluate limxâ12x2 +32x8 |
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Answer» d/dx (x^4-4)/d÷dx (x^2+3×2^1/2-8) and again do derivative for the first result totally you will get 12x^2 and then keep x=2^1/2 and answer is 12 |
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| 38. |
9. Which of the following polynomials has-3 as a zero?(a) (x – 3) (6) x2 - 9(c) x² – 3x (d) x2 +3 . |
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Answer» option b is the correct answer of the given question A is correct of a given question X*2-9X*2-3*2(X-3) (X+3) X-3=O, X+3=0X=3, X=-3 c )is correct answer the correct answer = D) x^2+3 a) is the right answer of the following |
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| 39. |
lim x → 3 (x2-9)|+--1x+3 x-3 |
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Answer» I need answer |
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| 40. |
x+4-6+x2= |
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Answer» x2+x-2=x2 +2x- x -2=x(x+2)-1(x+2)=(x+2)(x-1) |
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| 41. |
Q1. A card is drawn at random from a well shuffled pack of 52 playing cards. Find the probability of gettingneither a red card nor a queen.Q2. Find mode, using an empirical relation, when it is given that mean and median are 10.5 and 9.6respectively. 3mnd:-山双︸-2.8 |
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Answer» 1. |
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| 42. |
Draw these angles with the help of a protractor and label them(a) 20(b) 45(c) 1153.(d) 135 (e) 180 |
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Answer» Please refer to this similar solution! name and write the polygons having sides 3 to 10. name and write the polygons having sides 3 to10 |
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| 43. |
draw and label the quadrilateral which are not one of the following :a) trapeziumb) rhombus c) kite also give reasons |
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| 44. |
4 A cubical block of side 7 cn is surmounted by a hemisphere. What is,the greatesE diamcter the hemispherè can háve? Find the surface area of thessolbd |
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| 45. |
6. One side of a rectangular field of area 0.5 ha is125 m. Find the other side in metres.onoth 64 cn |
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| 46. |
15127(1) 190(3) 221(2) 255(4) 236(SSC सी.पी.ओ. सब-इंस्पेपरीक्षा-05.09.200 |
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Answer» 255 is the right answer 7 × 2+1 = 1515×2+1 = 3131×2+1 = 6363×2+1 = 127127× 2+1= 255 is correct answer 255 is the right anser the questions 255 is the right answer 255 is the right answer [2].255 is the correct answer only 255 is right answer of this question 255 is the right answer 2. 255 is correct answer. Doboule previous number & add 1 in it. 255 this is right answer option 2 is the right answer the correct option is 2. 7×2=14+1=1515×2=30+1=3131×2=62+1=6363×2=126+1=127127×2=254+1=255 255 is the correct answer 255 is the correct answer B is the correct answer 255 is correct answer. 255 is the correct answer 255 is the right answer option (2) is correct 255 the right answer is 2-255 255 is the correct answer |
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| 47. |
|'hisjlte 916 218 1५% ०६509:00६ पथ ०09 ws * भू| टना (221: देते |
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Answer» sin(60°) tan(30°) cos(45°)(√3/2) × √3 × 1/√23/2 × 1/√23/(2√2) |
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| 48. |
area of a rectangular slab is 4516 em Ifone of its sides is 6 cm, find the other sid |
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| 49. |
-3mĎR5 tan2 3- sin= tan2 rrxcos+sID2sin cos22ă |
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| 50. |
O, 10 iing appropriate properties of215x2) x214 x4|vs |
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