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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. |
12.Find the equation of parabola with vertex (2,-3) and directrix x-dy-48-0. |
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| 2. |
Find the equation of the parabola whose:1.) focus is (3,0) and the directrix is 3 x +4y1BT |
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Answer» sir pls give me answer in full details |
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| 3. |
1. Find the equation to the ellipse whose0 one focus is (-1, I), directrix is x-y +30 and eccentricity is |
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| 4. |
0.8 Find the range of f(x) 2-3x, XER, x > o.nQ Bind tha zali |
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Answer» 0 < x < infinity- infinity < -3x < 0- infinity < 2-3x < 2so range is from - infinity to 2 |
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| 5. |
Let f(x) be differentiable on the interval (0, oo) such that2f(x)-x2f(t) = 1 for each x > 0, Thex)isIT JEE 2007(b) -1+ar3x 31 2x23x 3-1 22 |
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Answer» Thnx |
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| 6. |
7 x ^ 2 - 30 x - 25 = 0 |
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| 7. |
Fig. 3.383.In fig 3.39 chord ABProve that,are AC arc BLchord CD,Fig. 3.39Let's learn. |
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| 8. |
The parametric coordinates of any point on the parabola y2-x can be |
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| 9. |
3. Define partition value. |
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Answer» The value that divides the series into more than two parts is called partitionvalue. |
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| 10. |
value ofxamlpe 1h, ind thetan 39° - cot51° |
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Answer» tan39=tan(90-51)=cot51so.cot51-cot51=0 |
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| 11. |
obtain the parametric equation of the circle(x-3T + ()!-4 ). S |
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Answer» tnq✌ |
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| 12. |
If the parametric equation of a parabola is xdirectrixt, 1, y21+ 1 then find the equation of the |
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| 13. |
oto ?Id : 18 Kms 4.5 km 1h |
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| 14. |
10. The length and breadth of a rectangular park are in the ratio 5:2. A 2.5-m-wide paulrunning all around the outside of the park has an area of 305 m2. Find the dimensions ofthe park70mh 50 m has two roads, each 5 m wide, running through its |
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| 15. |
3. In Fig. 2.53, ABD is a triangle right angled at Aand AC丄BD. Show that(i) AB-BC. BD(ii) AC-BC. DC(iii) AD-BD. CD |
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Answer» thank you very much |
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| 16. |
In Fig. 5.10, if AC- BD, then prove that AB=CD |
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| 17. |
(3) Solve : 7x2-30x-250.to |
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| 18. |
65. 4r*+7x2-2 |
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Answer» Like my answer if you find it useful! |
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| 19. |
Give the parametric form of equation:x^2 + y^2 = 9 |
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| 20. |
6. The cost of 12 pens is equal to the S.P. of 15 pens. Find the loss percent.1hf16 booleic paul to the101 |
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Answer» Let the cost price of each pen be x Cost of 12 pens is 12x Also selling price of 15 pens is the cost price of 12 =SP of 15 pens is 12x SP of 1 pen is 12x/15 =4x/5 Cost Price>Selling Price Loss=CP-SP =x-4x/5 =(5x-4x)/5 =x/5 Loss% = Loss/CP*100% =x/5*1/x*100% =100/5% =20% The loss % is 20% |
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| 21. |
० P पी ००, स* ० 20९6 0हक denwm cid s 4 |
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| 22. |
orth of aght times a nugAnd three conseghe sum of ages ofthe son. Find thee total cost of 5numerator ofominator it bedta is 14 years yoRent agesof two equal sidcm, find the lerof s tabble and a choiru 2900If a table cost 750 met more than a chers findcostthe price of earch.The totalOTS QUEme five-rupedof five rupeesI have?Tator of a fraator by 2 wethe ages ofresent ages of2-9 |
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Answer» i don't know answer sorry |
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| 23. |
6 In fig AC BD, then prove that AB CID |
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| 24. |
7x2-9x+2 |
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Answer» 7x^2 - 9x + 2 = 0=> 7x^2 - 7x - 2x + 2 = 0=> 7x (x - 1) - 1 (x - 1) = 0=> (7x - 1)(x - 1) = 0=> x = 1/7, 1. PLEASE HIT THE LIKE BUTTON Thanks |
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| 25. |
*19. 23 - 7x2 + 7x - 2 |
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| 26. |
निम्न में से कौनसा लीप वर्ष नहीं है?(1) 1860 (2) 1800(3) 1600 (4) 16606. निम्न वर्षों में से कौनसा लीप वर्ष है?(1) 1862 (2) 1904(3) 2002(4) 1854 |
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Answer» 6 ka ans.:-1904 leap year hai 5- option 2 Is the right answer 5 ka ans option 2 hoga 1800 is not leap year q.5 option 2 will be the answer ok 6 ans =1904 leap year hay because leap year har 4 year meh aek bar hota hay 1904 is the correct answer. 1880 is not a leap year1904 is a leap year 1904 is the right answer of following questions 6, option 2,1904 is the right answer 1880 is not a leap year 1904 is a leap year Question no. 5--(2)1904 q5 is the option b is the correct answer q6 b is the correct answer the correct answer is C option 2.is the correct answer.. |
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| 27. |
(c) (4x-5y) (4x+5y) |
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Answer» (a-b)(a+b)=a²-b² (4x-5y)(4x+5y)=(4x)²-(5y)²=16x²-25y² |
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| 28. |
which of the following equation represent a straight line:(a) r2 4(c) r cos (0-a)- p42. In(b) r2-4r sin θ(d) of these |
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Answer» (d). of these. Equation of straight line is y=mx + c. |
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| 29. |
(2/10)*((2/10)*((2/10)*(2/10))) |
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Answer» 0.0016 is the correct answer of the given question 0.0016 is the correct answer 16/10000=0.0016 is the answer 2/10×2/10×2/10×2/10=2×2×2×2/10×10×10×10=16/10000=0.0016your answer is 0.0016. . 0061 is the right answer. 0.0016 is the best answer 0.0016 is the right answer. 0.0016 is the answer for you |
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| 30. |
11. Rampurchased a radio set for Rs 300 and sold it to Shyam at a profit of 25%. ShMohan at a loss of 10%. For how much did Mohan buy the radio?ble for Rs 330, a trader earned a profit of 10%. Find the cost priceta |
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Answer» for Ram C.P.=300Profit = 25%so S.P. for Ram=375now for Shyam C.P.=375loss=10%so S.P. for Shyam=337.5so Mohan buy it in 337.5 |
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| 31. |
product ofze ros is 4 for p(x)-kx 3-6x2+] 1x-0 then k=(d)뼟3(b) 32(c)2 |
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Answer» If you find this solution helpful, Please like it. |
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| 32. |
y=x+1, y =2(x + 1)T2T y=kx + 3 wiman? (2011) |
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| 33. |
IV)10unitsIf one root of quadratic equation x2+kx+3-0 in then theof k will be:-(iii) -4 (iv) -5i)1ii)-3 |
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| 34. |
|Mis a solution of the equation 7x2 + kx - 3 = 0, find the value of k. |
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Answer» Put in 2/3=X and equate to 07(2/3)^2+k(2/3)-3=07*4/9+2/3k-3=028/9+6/9k-27/9=028+6k-27=01+6k=0k=-1/6 |
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| 35. |
\frac { 8 } { 9 } \times 2 \frac { 17 } { 32 } |
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| 36. |
Find the value of k for which the followingquadratic equation has two equal roots.2x^2 + kx+3=0 |
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| 37. |
2.Two dice are thrown simultaneously. Find the probability that the sum of the two numbers appearing on the top ismore than 10. |
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| 38. |
27. Show that the points (a, a), (-a, -a) and (-3a 3a) are the vertices of an equilateral triangle. Also find, (a,-a) and (-3a./ãa)theits area. |
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| 39. |
Find the value of (29) by the short-cut methodHere, a = 2 and b = 9.a?Xaa? 16262×36 3a1 xb3a²xb 3a x b253 |
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Answer» 23809 is the correct answer |
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| 40. |
Narrations:ISaid ta Ram I have dlone ny Leatt |
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Answer» I told ram that I had done my work. |
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| 41. |
7. Two dice are thrown at the same time and the product of numbers appearing on them isFind the probability that the product is less than 9. |
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| 42. |
If sin 3A cos(A -26°), where 3A is anacute angle, find the value of A. |
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Answer» thanks |
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| 43. |
Solve 2x + y -6 = 02 x -y +2=0 |
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| 44. |
If sin 3A cos (A-10°), where 3A is an acute angle then find thevalue of A.[CBSE 2009c] |
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| 45. |
s. 17 com 32-1) and sin(31-18) - . then find the value of tan3A coisa.13. IF COS(3A+B)and sin(3A-B. then find the value of tan3Atcot3A. |
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Answer» sorry I didn't know |
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| 46. |
SadNotebooks4十 |
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Answer» 1/x+4 -1/x-7 =11/30x-7-x-4/x^2-3x-28= 11/30-11/x^2-3x-28= 11/30x^2-3x-28= -30x^2-3x+2=0x^2-2x-x-2=0x(x-2)-1(x-2)=0(x-2)(x-1)=0x-2=0, x=2x-1=0, x=1 |
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| 47. |
Find the value of k for which x=1 is a root of the equationr2+kx 3-0. Also, find the other root. |
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Answer» thanks lekin is me x=-1 bhi aa rha h sorry x=1 aa rha h |
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| 48. |
14. Given that two numbers appearing on throwing two dice are different.Find the probability of the event 'the sum of numbers on the dice is 4' |
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| 49. |
thegraphofthepolynomialfi the diagram in Fig 2 22 shows(a) as 0, b0andc (b) a 0,b<0and c <o(c) a so,b 0and c (d) a 0, b> 0 and c <00y' (ĺ)Fig. 2.22 |
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Answer» thank u |
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| 50. |
a +b 2bc c+ aa+b+,c = 0,b+ c(A) 0 。(B) 1(D) 2(C) I |
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