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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. |
I st question is 3xy×(4x²+y) and second is-3p²q²(4P²q-3pq²+4P -5 q) |
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Answer» =(x-y)(4x+y+2) Step-by-step explanation: 4x2−y2−3xy+2x−2y=(4x2−(4y2−3y2)−3xy+2x−2y) =(4x2−4y2)+(3y2−3xy)+(2x−2y)=4(x2−y2)+3Y(y−x)+2(x−y) =4(x+y)(x−y)−3y(x−y)+2(x−y)=(x−y)(4(x+y)−3y+2)=(x−y)(4x+4y−3y+2) =(x−y)(4x+y+2) |
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| 2. |
Polynomial ch 2 class 9th exercise 2.5 question 4 part 5 |
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Answer» (i) 4x2+9y2+16z2+12xy–24yz–16xz Using identity, (X+y+z)2 = x2+y2+z2+2xy+2yz+2zx We can SAY that, x2+y2+z2+2xy+2yz+2zx = (x+y+z)2 4x2+9y2+16z2+12xy–24yz–16xz = (2x)2+(3Y)2+(−4z)2+(2×2x×3y)+(2×3y×−4z)+(2×−4z×2x) = (2x+3y–4z)2 = (2x+3y–4z)(2x+3y–4z) (ii) 2x2+y2+8z2–2√2xy+4√2yz–8xz Using identity, (x +y+z)2 = x2+y2+z2+2xy+2yz+2zx We can say that, x2+y2+z2+2xy+2yz+2zx = (x+y+z)2 2x2+y2+8z2–2√2xy+4√2yz–8xz = (-√2x)2+(y)2+(2√2z)2+(2×-√2x×y)+(2×y×2√2z)+(2×2√2×−√2x) = (−√2x+y+2√2z)2 = (−√2x+y+2√2z)(−√2x+y+2√2z) |
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| 3. |
If a = b = 3, then find the value ofequation root a^2 + b^2 x + root a^2 - b^2 y = root a^2 b^2 |
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Answer» jauchi diosdiosan JAGADISH of tzczfgznGlisuwhfxa Step-by-step EXPLANATION: by dgvegwhgejdgdvvdvvdvfvfvfvrvrbrbnsjebbrhdh |
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| 4. |
Can any body give solution of this 0.25l2+0.41m2+0.16m2 |
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Answer» what is the VALUE of m Step-by-step EXPLANATION: |
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| 5. |
Name the property which say that 'if two integers are added or subtracted the answer is always an integer |
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Answer» Answer: closure property Step-by-step explanation: it is same for VECTORS and COMPLEX numbers in higher LEVEL maths |
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| 6. |
Plz help me with this maths its urgent |
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Answer» !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Step-by-step EXPLANATION: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 8. |
9/11 of all the money in Fatima'bank account is 99,000 how much money does Fatima have bank account |
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Answer» Answer: SAY FATIMA has 'x' RS in her account. so, 9/11 of x = 99,000 9X/11 = 99,000 9x = 99,000x11 9x = 1089000 x = 121000 Therefore, Fatima has Rs 121,000 in her account. HOPE MY ANSWER HELPED!! |
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| 9. |
How many time you multiply -4 for getting results 336 |
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Answer» -4×84=336 Step-by-step explanation: |
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| 10. |
Name the quadrilateral whose diagonal are perpendicular bisect each other |
Answer» ANSWER
ExplanationIn rhombus diagonals are perpendicular to each other . |
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| 11. |
Anuched on khelo ka mahatva in 100-200 words for class 8 |
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| 12. |
2/4=1/6 True or False |
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Answer» Answer: False Step-by-step EXPLANATION: because after reducing as well as adding the same number in NUMERATOR and DENOMINATOR, they can't be equal |
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| 13. |
3(y+3) +4=28solve by method |
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Answer» y=5 Step-by-step explanation: 3(y+3) +4=28 3y+9+4=28 3y+13=28 y=(28-13)/3 y=5 |
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| 14. |
Degree of the polynomial x square+3is |
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Answer» Answer: |
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| 15. |
Express as rational number (-4/3) to the power 7 |
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Answer» -16384/2187 Step-by-step EXPLANATION: (-4/3)⁷=-4⁷/3⁷ which is EQUAL to -16384/2187 |
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| 16. |
4(n+2)+3(3n-4)=7(n+3)-38 |
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Answer» -13/6 Step-by-step EXPLANATION:
PLS MARK as BRAINLIEST... |
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| 17. |
If x =1/7 y= 2/3andZ =-1/3, verify that, x * (y + z) = (x * y) + (x * z). |
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Answer» dddddddddddddddddddddxdddddddddddddddddddddddddddddddddddddccccccccccccccccccccccffffftttykop Step-by-step EXPLANATION: |
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| 18. |
( those who will answer I will mark as brainliest) Line ‘l’ is the bisector of ∠A and B is any point on ‘l’. BP and BQ are perpendiculars from B to the arms of ∠A. Show that i) ∆ APB ≅ ∆ AQB and ii) B is equidistant from the arms of ∠A. (or BP = BQ) (with reason) |
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| 19. |
One tenth of a number is two less than one seventh of its predecessor. Find the number. |
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Answer» Step-by-step EXPLANATION: To Find :The number Solution : Let The number = n So, One-tenth of number n = × n Now, The PREDECESSOR of number n = n - 1 So, One-seventh of number ( n -1 ) = × ( n - 1 ) ACCORDING to question one tenth of a number = 1 seventh of its predecessor - 2 i.e = - 2 Solving this equation or, By cross multiplication 7 n = 10 ( n - 15 ) i.e number = n = 50 Hence, The number is 50 |
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| 20. |
What is the Hcf of 140 168 |
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Answer» Answer: 168 = 2 × 2 × 2 × 3 × 7 |
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| 21. |
ANSWER THESE TWO QUESTIONS AND THE BEST ANSWER WOULD BE MARKED AS BRAINLIEST |
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Answer» picture is not clear Step-by-step explanation: |
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| 22. |
LCM of 7 and 21 please argent give me fast |
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Answer» Step-by-step EXPLANATION: MARK me as BRAINLIEST . . . . . |
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| 23. |
13in at a distance of5.b) between fand 2fd) morethan 2C) 2fPassageIf a lens of focal length 'T is cut into two equal partsi.Focal length of the lens given isa) fb)-ffc)2d) 2fc) -Principal Axisii.Value of focal length of the combinationa)2.b) 2fd) - 2- Principal AxisCf2Calculate the focal length of the given pair of lensesa) 0b) fc) aod)2-- Principal Axisare put in contact as shown in figures, then answer the following questions, |
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Answer» WRITE ONE QUESTION AT A TIME AND I THINK THAT THIS QUESTION IS INCOMPLETE Step-by-step explanation: |
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| 24. |
Solve the following question :-2½ % of 80 Litre |
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Answer» PLS MARK me as BRAINLIEST |
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| 25. |
How many time you multiply-12 for getting results 336 |
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Answer» Answer: |
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| 26. |
in triangle ABC,BC is produced to D.BF and FC arebisector of angle ABC and angle ACD respectively if angleBAC is equal to 70 degree and EF is equal EC and the measure of angle FEC is equal to |
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Answer» not UNDERSTOOD PROPERLY FRIEND OK |
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| 28. |
a picture is 1.2 metre long and 50 cm broad . what is the length of the wooden frame needed for framing the picture ?what is the area of the glass required to cover the picture in the frame? |
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Answer» please click PICTURE for the answer Step-by-step explanation: MAY it HELP you and please MARK as brainlist. |
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| 29. |
Which of the following number has a non-terminating recurring decimal expansion?1 point39/243/408/11137/25Option 5 |
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| 30. |
140÷ [(-11)×(-3)-(-42)÷(14+1)] |
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Answer» Answer: 3.910615 Step-by-step explanation: 140÷ [(-11)×(-3)-(-42)÷(14+1)] = 140÷ [ 33 - (-42 )÷ (14+1)] = 140÷ [ 33 - (-42) ÷ 15] = 140÷ [ 33 - (-2.8)] = 140 ÷ 35.8 = 3.910615 I HOPE it helps you☺... If yes plz mark me as brainliest |
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| 31. |
Find 12 rational numbers between -1and 2 |
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Answer» Answer: Step-by-step explanation: let US multiply and DIVIDE (-1) and 2 by 12 - 1 = -1 X 12/12 = -12/12 2 = 2 x 12/12 = 24/12 12 rational numbers are, -11/ 12, -10/12, -9/12, -8/12, -7/12, -6/12, -5/12, -4/12, -3/12,-2/12, -1/12, 0 . |
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| 33. |
Subtract 7z(3 + y) from the product of 10y(z - 5) and 5yz. |
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Answer» Answer: 50y^2 z^2 - 250y^2 z - 21z + 7yz Step-by-step explanation: 10y(z - 5) * 5YZ = (10yz - 50y) * 5yz =50y^2 z^2 - 250y^2 z 10y(z - 5) * 5yz - 7z(3 + y) = 50y^2 z^2 - 250y^2 z - 21z + 7yz
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| 34. |
THE GRAPH OF Y=6 IS A LINE DASH To X AXIS AT A DISTANCE OF DASH UNITS FROM THE ORIGIN |
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| 35. |
51.A steel wire when bent in the form of a square encloses an area of 146.41 cm². If thesame wire is bent in the form of a circle, find the area of the circle. |
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Answer» Side of the square = area = 121 =11 cm Perimeter of the square = 4×side=44 cm Therefore, length of the wire = 44 cm We know, CIRCUMFERENCE of the circle = Length of the wire Therefore, Circumference of the circle = 44 cm Let the radius of the circle be r cm. Then, 2πr=44 2× 7 22 ×r=44 r=7 cm Therefore, area of the circle = πr 2 = 7 22 ×49=154 cm 2 . Step-by-step EXPLANATION: |
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| 36. |
Please right answer this question par 75+ thanks and i will follow you |
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Answer» Answer: 1)305/100 2) 235/1000 3)24/100 4) 127/100 |
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| 37. |
Q1. Shivmeet purchased a motorcycle for Rs. 75000 and sold it for Rs. 70,000, find the loss or gain%. |
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Answer» Answer: it's a LOSS of RS. 5000 and the loss PERCENTAGE is 16.66%. Step-by-step explanation: PLS mark as brainliest... |
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| 38. |
OTONDAhow manydecimalplaces will the decimalrepresentation of the229rationalnumber terminate ?225 |
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| 39. |
Findthree rationalnumbers between 1/4and 1/2 |
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Answer» Given NUMBERS 1/4&1/2 1/4=1/4 &1/2=2/4 1/4×4=4/16&2/4×4=8/16 3 RATIONAL numbers are 5/16,6/16&7/16 Mark me as BRAINLIEST OTHERWISE I will not help you further |
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| 40. |
Find the diameter of a circle whose area is 616 sq cm. |
Answer» Area of circle =616cm^2. r^2=616×7/22. r^2=28×7. r=root 196.Step-by-step EXPLANATION: hope it helps you ❣️ FOLLOW me |
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| 42. |
In a zoo ,28 parrots consume 7420g of nuts in a day. If 8 parrots are sent to another zoo, what quantity of nuts will be required in a day |
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Answer» Answer: 5300g Step-by-step EXPLANATION: PARROTS nuts 28 7420G × (8 parrots minus) 20 ? 20×7420÷28 = 148400÷28 = 5300 |
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| 43. |
guys please solve this one on paper there are 2 Q OK. Plz solve on paper explaining it. Plz guys. Open full picture |
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Answer» Step-by-step explanation: a + b -(2A + 3b + ab) + 6AB +( a - 4b - 2ab) Arrange all the LIKE terms together 2x²y - 3x² + yx² - y² + 2x² - 6y² + 4x²y - 2y² Arrange all the like terms together = 2x²y + x²y + 4x²y - 3x² + 2x² - y² - 6y² - 2y² = (2 + 1 + 4)x²y + (-3 + 2 )x² + (-1 -6 -2) y² = (7)x²y + (-1)x² + (-9)y² = 7x²y - 1x² - 9y² = -x² + 7x²y - 9y²Required ANSWER:-
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| 44. |
The measure of the angles in a linear pair are x° and (x+40). what is the measure of each angle? |
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Answer» MEASURE of LINEAR pair=x°+(x+40) x°+x°+40=180° 2x+40=180° 2x=180-40° 2x=140° x=140/2 x=70° x+40=70+40 =110° Hence 70°+110°=180° |
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| 45. |
3 (x-3)= 5 (2x + 1) |
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Answer» Step-by-step explanation: 3x-9=10x+5 3x-9-10x-5=0 -7x-14=0 x=-2 is the ANSWER of this |
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| 46. |
What will be the answer of14-24+9/28 |
Answer» answer is 9.67857143.please LIKE my answer and MARK me as BRAINLIEST |
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| 47. |
Find the value of4 3 157 16 |
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Answer» vyyvufjdi to aur han main THING is that I have to get my CAR fixed and I will help you with the DETAILS of the |
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| 48. |
সমকোণী সমদ্বিবাহু ত্রিভুজের(1) তিনটি কোণের পরিমাপ সমান(2) তিনটি কোণের পরিমাপ অসমান(3) একটি কোণের পরিমাপ 90° থেকে বেশি(4) দুটি কোণের প্রত্যেকটি 45° |
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Answer» એ તો સપનાં જુઓ વિડિયો મા જ રીતે જો તમે કોઈ નથી તો ઉ ગયા બાદ તેની ઉં પણ આ બધું જ હતું ત્યારે તો જુઓ માધ્યમ છે પણ એ પ્રમાણે |
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| 49. |
FIND THE VALUE OF C IF THE EQUATION 2X+3Y+C=0, PASSES THROUGH THE ORIGIN |
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Answer» Step-by-step EXPLANATION: ACCORDING to the question passes through the ORIGIN so x= o y=0 let put the VALUE of x,y in the equation x×0+y×o+c=o c=0 |
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| 50. |
What is the angle name when hour hand and minute hand are one over other |
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Answer» First NOTE that a clock is a CIRCLE made of 360 degrees, and that each NUMBER represents an angle and the SEPARATION between them is 360/12 = 30. And at 2:00, the minute hand is on the 12 and the hour hand is on the 2. The correct answer is 2 * 30 = 60 degrees. |
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