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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. |
(a) Seven thousands, two tens, one hundred |
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Answer» 7120 is right answer of the question 7120 is correct answer ✅👌 |
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| 2. |
if x=-23+22+(-23)+22+...40 terms & y=11+(-10)+11+(-10)+...20 terms then find y-x |
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Answer» the easy way_23×40=-920,22×40=880x=-920+880x=-40similarly y=220-200y=20y-x=20+4060 60 is the answer of this question 60 is correct answer -23×40=-920; 22x40=880;x=-920+880=-40; y=220-200=20;; y-x=20+40=60; |
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| 3. |
Rationalize the denominator3 root 2-root 5/3 root 3 +2 root 3 |
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Answer» Pls tell the answer |
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| 4. |
find the value of a and b if 3 - root 5/ 3 + 2 root 5= a root 5-b/ 11 |
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| 5. |
16. Simplify: 1-[1-11-(1-1-1))] |
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| 6. |
simplify :- 1+3i/1-2i |
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Answer» please like my answer if you find it useful |
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| 7. |
15. The sum of two numbers is 8.Determine the8numbers, if the sum of their reciprocals is |
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| 8. |
Simplify: 1- |
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Answer» 1/8-(1/6-1/4)1/8-(2-3/12) took LCM1/8-(-1/12)1/8+1/123+2/24(took LCM)5/24 |
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| 9. |
Simplify! 1. 8a+ 2a |
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Answer» 8a + 2a = 10a If you find this answer helpful then like it. |
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| 10. |
. Find the value of ply) at y = 2 where ply) = 3y + 2y2- 4y |
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| 11. |
8. The product of two rational numbers is -9. If one of the numbers is -12, find the other8. |
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Answer» so the right answer is 10/3 |
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| 12. |
8 13. Find their present ages.Two numbers are in the ratio 2:3 and the differences of their squares is 320. Findthe numbers8.[ 16, 24] |
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Answer» Given: Two numbers are in ratio 2:3Solution:(3X)^2 - (2X)^2 = 3209X^2 - 4X^2 = 3205X^2 = 320X^2 = 64X = 83X = 24 ; 24 / 8 = 32X = 16 ; 16 / 8 = 224^2 = 57616^2 = 256576 - 256 = 320Therefore the numbers are 16 and 24. |
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| 13. |
The sum of two numbers is 8. Determine the numbers,if the sum of their reciprocals is 8 by 5. |
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| 14. |
Find the value of ply) at y = 2 where ply) = 3y + 2y2- 4ydodh |
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Answer» Given,p(y) = 3y^3 + 2y^2 - 4y For y = 2p(y) = 3*(2)^3 + 2*(2)^2 - 4*2 = 3*8 + 2*4 - 8 = 24 |
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| 15. |
t d2y4 de2x = a cos" 6, )布ㄒㄒㄒ可7M布fml |
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Answer» Sorry, we are currently answering only for the questions posted in english! |
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| 16. |
c 35. Find the value of ι + β for quadratic equation: 2y2-7y + 20 |
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| 17. |
2. If α, β are zeroes of polynomial 2y2 + 7y + 5, writethe value of α + β + αβ |
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| 18. |
2. Write the numbers in figures which have:(a) Seven thousands, two tens, one hundrer |
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Answer» In figuresit will be7012thanks 7,120your answer wii be 7,120 7120 your answer is 7120 |
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| 19. |
BB | (i) IMM(x+y): \/ny =4 1 W x:y Tâ |
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Answer» thanks for the help |
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| 20. |
D and E are points on the sides CA and CBspectively of a triangle ABC right angled at C.1.3.Prove that AE?+ BD -AB2+ DE2 |
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| 21. |
simplify [ 1 ] 2 - [ + ] x [3] |
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Answer» muje actually pta nahein hin ye galat hein ya sahi aapke mdm se puchiye verification ke liye |
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| 22. |
Simplify:1. a (b - 2a) |
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| 23. |
PAGENODATEलगातारयमखंयायो काअणनफूल।ती संख्याज्ञात कर |
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Answer» x+2)(x+4)= 168x^2+6x+8= 168now you can solve it (x+2)(x+4)=168x^2+6x+8=168x^2+6x-160=0 The two even no are12 and 1412×14=168 |
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| 24. |
6 A planeg-at 5aba m abovenyabove a 2nd b nnagwanhaptha ttical dlikdtance between them |
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| 25. |
(न —_—t \F | PageNo—___ कि हे 2. कक हक कि८ . कक |
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| 26. |
degree of under root 7 |
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Answer» degree of under root 7 is 1/2 Which board are you from |
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| 27. |
Simplify (5+root 5) ( 5-2root5) |
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| 28. |
The mean of 8 numbers is 35. If a number is excluded then the mean isreduced by 3. Find the excluded number. |
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| 29. |
28. The mean of five (5) numbers is 18. If onenumber is excluded, their mean is 16. The excludednumber is(A) 26 |
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| 30. |
12. What is the excluded number if mean age of 5 numbers is 27 and if onenumber is excluded the mean gets reduced by 2 |
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| 31. |
a, then prove that cosec θ + cot θIf bcos θb+a[Board Term-1, 2015, Set-WJQZQBN] |
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| 32. |
7. What must be subtracted from- 1 to get 22y2-1? |
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| 33. |
doa sin x + bcos x |
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| 34. |
asin x + bcos x, then prove thatd2 yde22. If yy 0. |
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| 35. |
30. The average of seven numbersis 18. If one of the number is 17and if it is replaced by 31, thenthe average becomes : |
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Answer» the average of seven numbers =18Sum=18×7=126new sum=126+(31-17)=140then average =140÷7=20 Ans |
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| 36. |
Simplify:45 +39 26 |
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Answer» 45+39-26= (45+39)-26[using BODMAS rule]= 84-26= 58. Please hit the like button if this helped you |
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| 37. |
The mean of five numbers is 30. If one is excluded, their mean become 28What is the excluded number? |
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Answer» thanks a lot total of 5 numbers = 30 × 5 =150 now total of 4 numbers = 28×4 = 112 so excluded number = 150 - 112 = 38 thank |
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| 38. |
Prove that two different circles cannot intersect each other at more thantwo points. . |
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| 39. |
11. Prove that two different circles cannot intersect each other at more thantwo points. |
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| 40. |
Giventhat root 3 is an irrational prove that 5-2root3 is an irrational |
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Answer» Let us assume that 5+2√3 is rational 5+2√3 = p/q ( where p and q are co prime) 2√3 = p/q-5 2√3 = p-5q/q √3 = p-5q/2q now p , 5 , 2 and q are integers ∴p-5q/2q is rational ∴√3 is rational but we know that√3 is irrational . This is a contradiction which has arisen due to our wrong assumption. ∴ 5+2√3 is irrational |
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| 41. |
prove that under root 5 is irrational |
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Answer» To show that √5 is an irrational number, we will assume that it is rational Then, we need to find a contradiction when we make this assumption If we are going to assume that √5 is rational, then we need to understand what it means for a number to be rational Basically, if square root of 5 is rational, it can be written as the ratio of two numbers as shown below: Square both sides of the equation above 5 = x2y2 Multiply both sides by y2 5 × y2 = x2y2 × y2 We get 5 × y2 = x2 |
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| 42. |
two' irrational numbers between root 3 and root 7 |
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Answer» root 3.2 and root 3.5 |
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| 43. |
Themean becomes 28. Find the excluded numbermean of five numbers is 30. If one number is excluded, their |
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| 44. |
The mean of five numbers is 30?If one is excluded their mean becomes 28 What is the excluded number? |
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| 45. |
12) The mean of five numbers is 30. If one is excluded,their mean become 28Vhat is the excluded number? |
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| 46. |
0.12) The mean of five numbers is 30. If one is excluded, their mean become 28.What is the excluded number? |
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Answer» thank u but it is right answer |
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| 47. |
3. The age of five numbers is 27. If one number is excluded.the average becomes 25. The excluded number is |
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Answer» the answer is 35. |
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| 48. |
Hint: Hha an lactorremains 36.]l1. A cuboid is 6 em long, 3 cm wide and 3 cm high and a cube has anedge of 6 cm. Which one hasgreater volume? |
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Answer» Volume of cuboid= 6×3×3 = 6×9 = 54 Volume of cube= (6)^3 = 36×6 = 216 So, the cube has greater volume. |
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| 49. |
Q.12) The mean of five numbers is 30 if one is excluded ,their mean becomes 28What is the excluded number? |
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| 50. |
Q,12) The mean of five numbers is 30. If one is excluded, their mean become 28.hat is the excluded number? |
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