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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. |
\frac{\chi}{5}=\frac{15}{5} ; \pi \chi=? |
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Answer» x/5= 15/5x/5= 3x=5*3x=15 5x= 15×5;x= 15 is answer |
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| 2. |
2) FactorisĂŠ ĂĽnd urviu3 Prove that (9x-5y)2 + 180xyoxt5p |
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Answer» (9x-5y)² + 180xy(9x)² + (5y)² - 90xy + 180xy(9x)² + (5y)² + 90xy (9x+5y)² |
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| 3. |
8. Which of the following expression are equal to-20 ?I 4x5II -32 + 10 -(-2)III 6x2-[-2 x 4]IV 5 (-2) + (-3) 4(a) I only(b) I and II(C) I, II and III (d) I, II, III and IV |
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Answer» the correct answer was (c) I - 4 * 5 = - 20II - 32 + 10 + 2 = - 20III - 6*2 - (-2*-4) = - 12 - 8 = - 20IV 5*-2 + (-3)*4 = - 10 - 12 = - 22 Therefore,I, II and III are equal to - 20 (c) is correct option -4*-5 is the answer of this question (c)is correct answer |
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| 4. |
-9*y^2 %2B x*((i*n)*(3*(x*y^2))) %2B 8*(y*z) |
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Answer» 3y^2 IS THE COEFFICIENT OF x 3y² is the correct answer of the given question |
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| 5. |
55*(-5) %2B 80/((-20)) |
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Answer» 55×(-5)+80+÷(-20)= -279×10^0 |
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| 6. |
5x - 3y = 8;3x + y = 2 |
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| 7. |
(2 n-indl the alue |
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Answer» 25^(n-1) + 100 = 5^(2n - 1)5^(2n - 2) + 5^2.2^2 = 5^(2n-1)5^2.2^2 = 5^(2n-1) - 5^(2n - 2)5^2.2^2 = 5^(2n-2)[5 - 1]5^2.2^2 = 5^(2n-2).45^2. 4 = 5^(2n-2).45^2 = 5^(2n - 2)2 = (2n - 2)2n = 4n = 4/2 = 2 Therefore value of n = 2 |
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| 8. |
Write the alue of cotagsin2 θ |
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Answer» cot²θ - 1/(sin²θ) cot²θ - cosec²θ= 1 cot²θ - 1/(sin²θ) cot²θ - cosec²θ= 1 |
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| 9. |
2x + 3y8 and xy 2, find the value of 4x2 + 9y |
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| 10. |
find the alue op P Por hichthe ppints (2+4,2p1,P) and |
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| 11. |
alue of each expression II5. 12+27- |
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Answer» 1 1/2+ 23/5=3/2+13/5=15+26/10=41/10 |
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| 12. |
i %2B x 8 z = 80 %2B x 90 \cdot \forall 2 |
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| 13. |
\frac 15 5 %2B \sqrt 20 %2B \sqrt 40 - \sqrt 5 - \sqrt 80 , \text is b e |
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| 14. |
80 - 3 \text of 13 %2B ( 15 - 8 ) - 2 \times 7 |
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| 15. |
Geometrys.Find the values of the unknown x and y in the following diagrams:80°50°12050°60°(iii)A.90°70°30°C60° DC Dliv)(vi)V1Three angles of a triangle are x + 5°,,x + 10° and x + 15° find x |
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| 16. |
(iv) 78 - 4x + 3y+5y में से -3x + 5y - 6x + 8y घटाएँ। |
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Answer» 10x^2+10x-5y is the correct answer. 10x^2+10x-5 is the correct answer |
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| 17. |
(ii) 5y + 2 3y 8 |
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Answer» 5y+2=3y+85y-3y=8-22y=6y=3 |
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| 18. |
071+4x + 3y + 5 में से -3x+5y-6x + 8y घटाएँ। |
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Answer» 10x²+10x-5yis the correct answer 10x²+10x-5y Is the correct answer of the given question |
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| 19. |
15. Find the value of a for which (x + 2a) is a factor of (x-4a x+2x+2a +3)16. Find the alue2 ,3 |
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Answer» please like my answer if you find it useful |
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| 20. |
2x+y=8 x+6y=15 |
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Answer» thnkas |
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| 21. |
106 x 2000 = 40000 |
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| 22. |
5 %2B 80 %2B 300 %2B 5000 %2B 40000 |
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Answer» forty thousand+ five thousand+ three hundred+ eighty+ five 45,384 = Forty-five thousand three hundred eighty-four. 45,385= Forty-five thousand three hundred eighty-five. Forty thousand+five thousand+ three thousand+ eighty+ five= Forty-five thousand three hundred eighty-fourit is a correct answer.....,. Fortyfivethousandthreehundredeightyfive 45,384 is the correct answer of the given question Forty five thousand three hundred eighty five after sovling in standard form u will get 45385 45380 is the standard form |
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| 23. |
Relation R in the set A=(1,2, 3, ..., 13, 14) defined asR [(x, y): 3x-y=0) |
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| 24. |
15xyâ6x+5y-2 |
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Answer» 15xy - 6x + 5y - 2 = 3x(5y-2)+1(5y-2) = (3x+1)(5y-2) |
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| 25. |
हर ey M T - J'_—.है जि » J—-B ’ J———l 8- ’ 32 y * |
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Answer» V2, V8, V18, V32= V2, 2V2, 3V2, 4V4 √2=√2√8=2√2√18=3√2√32=4√2Thus , all these surds are similar surds . |
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| 26. |
What does the notice 'The world's most dangerous animal' at a cage inthe zoo at Lusaka, Zambia, signify?2. |
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| 27. |
8.Find the center & radians of circle 2x+ 2y- x=0. |
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| 28. |
If y=2x is a chord of the circle x2+y2-10=0,findthe equation of the circle with this chord asdiameter. |
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| 29. |
center of the circle 2x^2+2y^2+ax+by+c=0 is (3,-4) then what is the value of a and b ? |
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Answer» x coordinate of center= -(0.5*coefficient of x)/coefficient of x² => 3=-a/4=> a=-12 y coordinate of center= -(0.5*coefficient of y)/coefficient of y² => -4=-b/4=> b=16 answer is wrong check it ! |
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| 30. |
If one of the diameters of the circle x2 + y'- 2x 6y + 6 0 is a chord to the circle with centre(2, 1), then the radius of the circle is(A) 3(B) v2(C) 3(D) 2 |
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| 31. |
き10000 was lent for one year at 10% per annum. By how much more will the interestbe, if the sum was lent at 10% per annum, interest being compounded half-yearly |
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Answer» P=Rs10000r=10%when compounded yearlyI=P (1+r/n)^ntn=1t=1r=10%=0.1putting values in formulaI1=10000 (1+0.1)I1=10000×1.1I1=Rs11000when compounded half yearly n=2I2=10000 (1+0.1/2)^2I2=Rs11025I2-I1=11025-11000 =25 |
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| 32. |
3. Choose the correct solution for x-2y=4A (0,2B (2,0 C(0-2)D (2, 2) |
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Answer» option c is the correct answer of the given question option c is correct answer of your question answer like it option C is correct answer c is the correct answer solve |
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| 33. |
(i) x-2y = 0 3 R 3x + 4),-20-0 |
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Answer» x-2y=0so x=2y3x+4y-20=0so 6y+4y=2010y=20so y=2so x=4 |
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| 34. |
72. What is the distance of the point (9, 7) from the origin?3. Choose the correct solution for x-2y=4(0,2) B (20) C (0-2)D (2,2 |
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Answer» (0, -2) is the answer |
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| 35. |
19.Two men on either side of a 75 m high building and in line with base of building observe the angles ofelevation of the top of the building as 30° anid 60°. Find the distance between the two men. (Ise 31.73). |
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| 36. |
find the amount and compound interest on rs 40000 for 2 year at 9% per annum, interest being payable annually. |
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| 37. |
8. Draw a line segment ABof 6 cm. Divide it into 1:2: 3 with the help of scale and compass |
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| 38. |
8. Draw a line segment ABof 6 cm. Divide it into 1:2:3 with the help of scale and compass. |
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| 39. |
Verify 4 and 3ane the zeroes of polynomial P(x)-x-x-121f202s-5-X3ь Then find the values onand b?values ofa an |
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Answer» correct |
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| 40. |
Show that any positive odd integer is of the form 6q + 1 or 6q+3 or 6q +5, where q issome integer. |
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| 41. |
Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q issome integer |
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Answer» thnks |
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| 42. |
I03 X97103 |
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Answer» ABE is staright line so, 53° + x + 65° = 180° x = 180° - 118° = 62° |
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| 43. |
Express 7429 as a product of its prime factors.OR16Write the decimal expansion of 3125 without actual division |
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Answer» 7429 = 17 x 19 x 23 = 7,429 |
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| 44. |
「4Two of the Eigen values of the matrix A=\left[ \begin{array}{ccc}{4} & {6} & {6} \\ {1} & {3} & {2} \\ {-1} & {-5} & {-2}\end{array}\right] are equal and they are doublethe third. Find the Eigen values of A2 and 2.A- |
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| 45. |
241 =2241,find the values of m and n where m and n are non-negative4000 2"5integers. Hence, write its decimal expansion without actual division. |
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| 46. |
3. If 20002013. Find m and n, wh"... Find m and n, where m and n are non negative integers. Also find thedecimal expansion without actual division, |
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Answer» I doesn't find this question answer please send another questionplease like 241/4000=241/2^m•5^n241/2^5•5^3=241/2^m•5^nTherefore,the value of m is 5 and n is 3 |
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| 47. |
2. Show that any positive odd integer is of the form 6q+ 1, or 6q+3,or6q+5,whereqissome integer. |
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| 48. |
Find a polynomial in x of the third degreewhich will vanish when x = 1 & x = -2 andwill have the values 4 & 28 when x = -1 andx = 2 respectively. |
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| 49. |
47. Mohan borrowed a sum of Rs 75,000 from a bank at a rate of 19% per annuminterest. How much sum he will return after 5% vears? |
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Answer» I= 75000*19*11/2/100= 78375Total payable amount = 75000+78375=153,375 |
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| 50. |
20 20121020.9. 20288 x 20 |
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Answer» 200×200=40000201×201=40401 200*200=40000201*201=40401 |
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