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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. |
Find the product of (2a–b + 3c)( 4a^2+b^2+ 9c^2+ 2ab + 3bc –6ca ) |
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Answer» 8a3−27b3−8c3−36abcStep-by-step EXPLANATION:[2A+(−3b)+(−2c)][(2a)2+(−3b)2+(−2c)2−2a×(−3b)−(−3b)(−2c)−(2a)(−2c)] (x+y+z)(x2+y2+z2−xy−yz−zx) (wherex=2a,y=−3b andz=−2c) =x3+y3+z3+3xyz=(2a)3+(−3b)3+(−2c)3−3×2a×(−3b)×(−2c) =8a3−27b3−8c3−36abc |
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| 2. |
Please solve the please |
| Answer» 1) finite2) infinite3) Finite 4) Infinite5) INFINITE ok HOPE it helps you | |
| 3. |
What is the amount on a principal of Rs.50000 for 2 years at 5% per annum compounded annually? |
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Answer» -STEP EXPLANATION:ANSWER is 4080 THANK you |
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| 5. |
In a class of 80 students, 45 students got distinction in mathematics, 32 got distinction in English and 26 students got distinction in both the subjects. Represent this by a Venn diagram . Hence, find the number of students getting distinction in: i) Mathematics onlyii) English onlyiii) any of the two subjectsiv) neither Mathematics nor English |
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Answer» I) Mathematics only Ans- 45Step-by-step EXPLANATION:II)ENGLISH onlyans -32 |
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| 6. |
Find x, y, and z such that x³+y³+z³=k, for each k from 1 to 100 |
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Answer» We understand x , y and z as integers belonging to IZ => negative and positive Natural integers.x3+y3+z3=kx3+y3+z3=k with k is INTEGER from 1 to 100solution x=0 , y=0 and z=1 and k= 1FOR K= 1 , we have the following solutions (x,y,x) = (1,0,0) ; or (0,1,0) ; or (0,0,1) ,For k =1 also (9,-8,-6) or (9,-6,-8) or (-8,-6,9) or (-8,9,-6) or (-6,-8,9) or (-6,9,8)And (-1,1,1) or (1,-1,1)=>(x+y)3−3x2−3xy2+z3=k=>(x+y)3−3x2−3xy2+z3=k=>(x+y+z)3−3(x+y)2.z−3(x+y).z2=k=>(x+y+z)3−3(x+y)2.z−3(x+y).z2=k=>(x+y+z)3−3(x+y)z[(x+y)−3z]=k=>(x+y+z)3−3(x+y)z[(x+y)−3z]=klety=αy=αand z=βz=β=>x3=−α3−β3+k=>x3=−α3−β3+kFor k= 2 we have (x,y,z) = (1,1,0) or (1,0,1) or (0,1,1)Also for (x,y,z) = (7,-6,-5) or (7,-6,-5) or (-6,-5,7) or (-6,7,-5) or (-5,-6,7) or (-5,7,-6)For k= 3 we have 1 solution : (x,y,z) = (1,1,1)For k= 10 , we have the solutions (x,y,z) = (1,1,2) or (1,2,1) or (2,1,1)For k= 9 we have the solutions (x,y,z) = (1,0,2) or (1,2,0) or (0,1,2) or (0,2,1) or (2,0,1) or (2,1,0)For k= 8 we have (x,y,z) = ( 0,0,2) or (2,0,0) or (0,2,0)For k= 17 => (x,y,z) = (1,2,2) or (2,1,2) or ( 2,2,1)For k = 24 we have (x,y,z) = (2,2,2)For k= 27 => (x,y,z) = (0,0,3) or (3,0,0) or (0,3,0)for k= 28 => (x,y,z) = (1,0,3) or (1,3,0) or (1,3,0) or (1,0,3) or (3,0,1) or (3,1,0)For k=29 => (x,y,z) = (1,1,3) or (1,3,1) or (3,1,1)For k = 35 we have (x,y,z) = (0,2,3) or (0,3,2) or (3,0,2) or (3,2,0) or 2,0,3) or (2,3,0)For k =36we have also solution : x=1,y=2andz=3=>x=1,y=2andz=3=>13+23+33=1+8+ |
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| 7. |
Guys please answer it |
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Answer» 3Step-by-step EXPLANATION: = = = = 3 |
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| 8. |
If a=1, b= 3 and c= -1 , find 2a² - 7a³b + c² - 6 |
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Answer» -24Step-by-step explanation:GIVEN, a=1, B= 3 and c= -1Then, 2*1² - 7*1³*3 + -1² - 62*1 - 7*1*3 + 1 - 62 - 21 + 1 -63 - 27-24Therefore the answer is -24 |
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| 9. |
Using suitable arrangement find the sum:5/7+(-4/9)+2/7+(-13/9) |
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Answer» -STEP EXPLANATION:(-4/9)+(-13/9)+2/7-17/9+2/7LCM of 9and 79&7=3×3×7=63-17/9×7/7=-119/632/7×9/9=18/63-119/63+18/63-101/63 answerhope it helps youmark me as brainliest |
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| 10. |
Answer fast and I will mark you as brain list. |
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Answer» (9) 27/410. 5/811. ₹13.2512. 5KM 200m13. NAHI pata14. ₹10000 |
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| 11. |
Find the sum of... a) 137 and 263=b) -256 and 567=c) 356 and -567=d) -200 and -400= |
| Answer» GIVEN thatLet us assume that the lowered TEMPERATURE as negative,Initial temperature = 40oCChange in temperature per hour = -5oCChange in temperature after 10 hours = (-5) × 10 = -50oC∴The final ROOM temperature after 10 hours of freezing PROCESS = 40oC + (-50oC)= -10oCThe room temperature 10 hours after the process begins= -10oCWas this ANSWER helpful?""""""""""please mark me as brainliest""""""""” | |
| 12. |
Find the product using suitable properties and also name the property used: a) (-7) × 102 |
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Answer» Step-by-step EXPLANATION:DISTRIBUTIVE |
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| 13. |
Simplify 5/3+5/8-7/12+34/5 |
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Answer» 5/3+5/8-7/12+34/5(40×5+960×5-10×7+600×34)/120(200+4800-70+20400)/12025330/120211.083333 |
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| 14. |
The reciprocal of 0×7/11 is what |
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Answer» 0×7/11=0/11reciprocal of 0/11 is 11/0=undefined |
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| 16. |
2. The decimal expansion of √ is (а) Terminating (b) 1.4121 (c) non-terminating recurring (d) non-terminating non-recurring |
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Answer» Answer: the decimal EXPANSION of root 2 is NON terminating non recurringStep-by-step explanation:hope it HELP YOUPLEASE make me brainlist |
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| 17. |
What should be the value of m so that 123m is divisible by 5? |
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| 18. |
. help me with all questions |
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Answer» দয়া করে বাংলায় অনুবাদ করার জন্য অনুরোধ করছি। Step-by-step EXPLANATION: PLEASE MARK me a BRAINLIST |
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| 19. |
10 बटा -6 का योज्य प्रतिलोम बताइए |
| Answer» GOOD NIGHT BABY GIRL and her husband and wife and kids are in the morning and then | |
| 20. |
Write the predecessor of the following number. 6,38,700 |
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Answer» 6,38,699 is the answer.Step-by-step EXPLANATION:#queen♥️ |
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| 21. |
If A = { x| x is a natural number, x+1< 8} and B ={ x| x is a natural number, x+3 < 15} |
| Answer» SORRY I don't ANSWER 1234567890 | |
| 22. |
Guys pls help very urgent |
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Answer» ok but TELL lesson nameStep-by-step explanation:Follow and MARK as BRAINLIST |
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| 23. |
slove this please don't write unwanted ans because its very important if you answer step-by-step I will mark as brainlist also and |
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Answer» 2)3p+3=9 = 3+6 =93) shot FORM - 3+3+3 = 9 ANSWER:HOPE it's HELPFUL for you ok Step-by-step explanation:please mark as BRAINLIST . |
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| 24. |
) Find two rational number between 1/4 and 2/9 |
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Answer» 1/8 = 0,1252/9 = 0,222 . . .So, any irrational NUMBER x in the range0,125 < x < 0,222will satisfy your requirement.Examples:π/20 ≈ 0.15707963267 . . .LOG 1.5 ≈ 0.17609125905 . . .0.1357911131517192123252729 . . .√3 / 10 ≈ 0.17320508 . . .0.202002000200002000002 . . . |
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| 25. |
Impossible has kanchisarath17 from Pluto oh oh oh |
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Answer» heheheheheheStep-by-step explanation:In Euclidean GEOMETRY, two objects are similar if they have the same SHAPE, or one has the same shape as the MIRROR image of the other. More precisely, one can be obtained from the other by uniformly scaling, possibly with ADDITIONAL TRANSLATION, rotation and reflection. |
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| 26. |
4. The quadratic polynomial, the sum and product of whose zeroes are -3 and 2 is: (a) x²-3x+2 (b) x² + 3x-2 (c) x² + 3x + 2 (d) none of the these. |
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Answer» refer to the image for solution HOPE it will help Step-by-step explanation:HELLO I make videos for maths topics channel name maths made easy mme just you have to write the topic or chapter name and STD in the comments section and also SUBSCRIBE to get notified I will make videos for that thanks |
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| 27. |
If p(x)=x+3 then p(2)+p(-2) is equal to |
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Answer» Step-by-step explanation:P(X) = x+3⇒ p(2) = 2+3 ( SUBSTITUTING for x ) = 5 P(-2) = -2 +3 = 1p(2)+p(-2) = 5 + 1 = 6Therefore p(2)+p(-2) = 6 HOPE it was helpful. Take care. |
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| 28. |
Estimate the product 311 X 113 by rounding of each number to nearest tens |
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Answer» 35143 Step-by-step EXPLANATION:the 311×113 by ROUNDING of each NUMBER to NEAREST TENSE is 35143 |
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| 29. |
Pls help for this answer very urgent give no in correct answers pls . no spams The square of 432 will end with___________ |
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Answer» 4,320,000make.me BRANLIST |
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| 30. |
Write the converse of “If a quadrilateral is a parallelogram then opposite angles of that quadrilateral are congruent.” * |
| Answer» OPPOSITE Angles Theorem Converse: If both pairs of opposite angles of a quadrilateral are congruent, then the FIGURE is a PARALLELOGRAM. Parallelogram Diagonals Theorem Converse: If the diagonals of a quadrilateral bisect each other, then the figure is a parallelogram | |
| 31. |
Simlify 18 raise to the power 1/5 and 18 raise to the power 1/3 |
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Answer» your answer is 1/4860 i have multiply the exponent with their powers in FIRST step...then whatever the answer i have multiplied with their POWER now again i have to multiply the answer of multiplied numbers in SECOND step.. and then i get my answer which is 1 /4860 ... please mark this answer as brainliest answer...THANK YOU |
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| 32. |
Find it please fast |
| Answer» SEARCH on calculaterStep-by-step EXPLANATION:OKAY | |
| 33. |
The rational number between 1 and 2 |
| Answer» FIVE rational numbers between 1 and 2 are 11/10, 12/10, 13/10, 14/10, and 15/10.Step-by-step EXPLANATION:HOPE it's helpful | |
| 34. |
Please give me the correct answerx + y = 5 and xy=6 then the value of x^3 -y^3 = ______. |
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Answer» -step EXPLANATION:Since the image is formed on the screen, if is real. Real object and real image IMPLIES concave mirror.Applying m=ff−u or −2=ff−u (i)After shifting, −3=ff−(u+5) (ii)Here, CARE should be taken that distance of the object becomes u+5 not u−5: In a concave mirror the size of real image will increase only when the real object is brought CLOSER to the mirror. In doing so, its x-coordinate will increase.From (i) and (ii), we getf=−30cm or R=60cmhope this HELPS you |
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| 35. |
Lcm of x2+7x-10,x3-"2-6x,x4-5x2-14x2 |
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Answer» -STEP EXPLANATION:LCM of x2+7x-10,X3-"2-6x,x4-5x2-14x2 |
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| 36. |
How to express in standard form |
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Answer» Let example of a number 8:-1. Write the first number 8.2. Add a decimal point after it: 8.3. Now count the number of digits after 8. There are 13 digits.4. So, in STANDARD form: 81 900 000 000 000 is 8.19 × 10¹³Explanation:Thank you. PLEASE MARK ME BRAINLIEST |
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| 37. |
Express the following Rational numbers in standard form −30 −40 |
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Answer» I don't UNDERSTAND why you are not SURE about this ONE |
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| 38. |
The average of first 7 even natural numbers is |
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Answer» Thus, 8 is an average of FIRST 7 natural NUMBERS or positive INTEGERS. |
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| 39. |
In a school, 7 by 12of the students are boys and the rest are girls. If the number of students in the school are 4632. Find the number of boys and girls in the school |
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Answer» 4632/19=243243x7=1701243x12=2916Step-by-step EXPLANATION:MARK the ANSWER BRAINLIEST |
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| 41. |
Solve the following pair of simultaneous equation by cross multiplication method 20-45(m+n)2 |
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Answer» इनका नाही कोई नही होता रहेगा और एक अ र् व स्Step-by-step EXPLANATION:*CAB (COVID APPROPRIATE BEHAVIOR) के विषय में सामान्य जनता को जागरूक करते हुऐ सम्पादक को अपने सुभावो से अबगतकराते हुए पत्र लिखिए। |
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| 42. |
Find this fast and I will mark you as brain list |
| Answer» PLUS them and the ANSWER will be your answer | |
| 44. |
Find the value of x so that(-2)power of 31×(-2)of -x=(-2)power of 18 |
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Answer» Dgfkdlfdikdfgnhcsvhsjshsgsjsisuejiekiekeiekiek jsksnbshsjksbshjsmsbhjsjsbbs SMI snisj SK SJ is a rule of law university of CLASS 6 SANSKRIT WORD my NETWORK of class 6 Sanskrit word my network and the other day 5 is not possible I can you send me the page and the other day and I have a great day and I have remembered I |
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| 46. |
(x+3)^3 - (x-3)^3 pls answer options a : 0 b : 1-x^3 c : 3x^2 -5 d : 18x^2 + 54 |
| Answer» NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO | |
| 47. |
What is the other name of y-coordinate of a point? |
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Answer» inatethe ordinateAnother NAME for the y-coordinate is the ORDINATE. Note: The x-coordinate or ABSCISSA represents the DIRECTED distance of the point from the y-axis. |
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| 48. |
(-2)³×(-2) to the power -6 =(-2) to the power 2x-1 find x |
| Answer» NOTHING 45,243,549 in my head 3 4 the LAST few years OLD and | |