Saved Bookmarks
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. |
S0o1 = Ay + x¢ () |
|
Answer» 3x + 4y = 10 2x - 2y = 2 multiply 2nd equation by 2 and add in 1st equation 3x + 4y + 4x - 4y = 10 + 4 7x = 14 x = 2 put x in 1st equation 3*2 + 4y = 10 6 + 4y = 10 4y = 4 y = 1 If you find this answer helpful then like it. thank you |
|
| 2. |
3 =/* » (उपe o1 |
|
Answer» -21/55 is the correct answer of the given question |
|
| 3. |
\begin{array}{l}{x^{\frac{1}{2}} \times x^{\frac{5}{2}}} \\ {\text { (iv) } 5 x^{\frac{5}{6}} \times 6 x^{\frac{1}{6}}}\end{array} |
|
Answer» i) = x^(1/2+5/2) = x^(3) ii) = 5*6*(x^(5/6+1/6) = 30x |
|
| 4. |
Prema had 28 dolls. She gave 14dolls to her sister. How many dollsdoes she have now? |
|
Answer» Total dolls=28Dolls given to sister=14Dolls now she have=28-14=14 |
|
| 5. |
(o1 +) + (g1-) (2)- TS |
|
Answer» (2)*(-15)+(+10)=(2*(-15))+10=-30+10=-20 |
|
| 6. |
al If any and I are in cadires proportionpiedie dele 2 y= 2:7xy? Xtz |
|
Answer» x=4k, y=zk, L.H.S., x^2-y^2/x^2+ y^2=(zk^2)^2-(zk)^2/(2k^2)^2+(z4)^2=z^2k2/z^2k^4+ z4^2=x^2-1/ x^2+1) |
|
| 7. |
11) x+y=7, xy=12 then Xyt =2 |
|
Answer» (x+y)^2=x^2+y^2+2xy7^2=x^2+y^2+2(12)x^2+y^2=49-24=25 |
|
| 8. |
varationfindtheequationdocus ofdepointwhose distancetfromP tooeriginisoriginisdoubledanthedistance Room |
|
Answer» 57558587ghxjxyfjcdghhfchg The answers is p to {1.2}=p equal to 1.2 |
|
| 9. |
यदि ऋ + 7 न 12 दधा xy ० 35 हो, तो रे + 7 का मान कया होगा 2e o . |
| Answer» | |
| 10. |
nd he rato in which B divides AC?Find the locus of a point the sum of whose distance from (1, 0,0) and (-1,0,0) is equal to 10. |
| Answer» | |
| 11. |
17. If x + y = 7, xy = 12 then x2 + y2=1) 302) 16 |
| Answer» | |
| 12. |
x-o1>w-9 ( |
| Answer» | |
| 13. |
| =" (=XI o1=* L4 |
|
Answer» Like if you find it useful |
|
| 14. |
(243/32)^((-4)/5) |
| Answer» | |
| 15. |
Ifr-acosse andy-bsinaa, prove that'0 and y - b sin'0, prove that+,()9,9. Ifx- a cos-110. A bucket is in the form of a frustum of a cone andlds 28 ag0 fitres of unt |
| Answer» | |
| 16. |
\frac 4 a - 5 b 4 a %2B 5 b = \frac 1 6 \vec x , \text at a : b = ? |
|
Answer» Like my answer if you find it useful! Like my answer if you find it useful! |
|
| 17. |
\begin { equation } \frac{a}{b}=\frac{8}{3}, \text { find } \frac{4 a+5 b}{4 a-5 b} \end { equation } |
|
Answer» thanks |
|
| 18. |
er the followllg lr sister gave you six ive-rupee notes to buy something inYour sisket. How much money did you get from your sister?ntes ran you get in exchange for a 100 |
|
Answer» 30 rs I get from my sister |
|
| 19. |
3 a + 5 b = 26 ; a + 5 b = 22 |
| Answer» | |
| 20. |
els. If the polynomials 27+ + ax2 + 3x - 5 and x3 + x2- 4x + a leaves the same remainder when dividedby r - 2. Find the value of a. |
|
Answer» if ANSWER is clear the ACCEPT ME as best a=-13/3 is the right answer by solving it a=-13/3 is the right one a=-13/3 is the right answer by solving it |
|
| 21. |
Find the equation of the plane through the points (2,2,1) (9,3,6) and perpendicular to the plane 2x+6y+6z = 9. |
| Answer» | |
| 22. |
1.In quadrilateral ACBD,ACAD and AB bisects(see Fig. 7.16). Show that A ABC A AWhat can you say about BC and BD? |
| Answer» | |
| 23. |
153.What is the perpendicular distance of plane 2x-y+3z = 10 from origin? |
| Answer» | |
| 24. |
Äźoti 2400 square meters and its length Ä°s l 2 times to its breadthWhat is the perimeter? |
| Answer» | |
| 25. |
Q. Write the intercept cut off by the plane2x + y-z=5 on x-axis. |
| Answer» | |
| 26. |
The locus of the point whose distance from the origin is twice its distance from theplane 2x -y+7 0 is |
|
Answer» √(x^2+y^2)=2*(2x-y+7)/√5x^2 + y^2=4/5 *(4x^2+y^2+40-14y-2*(2x)(y-7))5x^2+5y^2=4x^2+y^2-14y-4xy+28y+40x^2+4y^2+14y+4xy-28y-40=0 |
|
| 27. |
Simplify the foltowing(i) log at log a2log 8(ii) log 216 and xy |
| Answer» | |
| 28. |
The area of rectangular plot is 2400 square meters and it's length is 1What is the perimeter?times to it's breadth.2 |
|
Answer» Suppose breadth is x so length is 1.5x now area is 2400 x*1.5x = 2400 x*x = 2400/1.5 = 1600 x = 40 Breadth = 40m Length = 40*1.5 = 60m Perimeter = 2(40+60) = 200m If you find this answer helpful then like it. |
|
| 29. |
direction ratios of normal to theWhat are theplane 2x -y+2z +1- 0?a) 212) ()(O1.-21) () 1,12)2012 I |
|
Answer» The direction ratio's should be in the ratio of 2: -1 : 2=> 1:-1/2 :1 option B |
|
| 30. |
Find the aistannce Detvwcun unt pu1.Find the equation of the plane which passes through the point (3, 4,-1)and is parallel to theplane 2x - 3y +5z +70.Also, find the distance between the two planes. |
| Answer» | |
| 31. |
) If the polynomials az' + 4z? + 32 -- 4 and 2-4z + a leave the sameremainder when divided by 2 - 3, find the value of a.37 |
|
Answer» Let f(z) = az³+4z²+3z-4zero of the polynomial (z-3) = 3(since,z-3=0⇒z=3)So,replacing z by 3,f(3) = a(3)³+4(3)²+3(3)-4⇒f(3) = 27a+36+9-4⇒f(3) = 27a+41Let g(z) = z³-4z+azero of the polynomial (z-3) = 3(since,z-3=0⇒z=3)So,replacing z by 3,g(3) = (3)³-4(3)+a⇒g(3) = 27-12+a⇒g(3) = 15+aGiven that the two polynomials leaves same remainder when divided by z-3So,g(3)=f(3)⇒15+a=27a+41⇒15-41 = 27a - a⇒-26 = 26a⇒a=-1. a= -1 the correct answer of the given question |
|
| 32. |
4z -143 |
| Answer» | |
| 33. |
(i) (r +2y + 4z) |
| Answer» | |
| 34. |
She gave nine notes of 500 to the shopkeeper. How much did she getback? |
|
Answer» THE QUISTION YOU HAVE POSTED IS INCOMPLETE PLEASE POST COMPLETE QUISTION. |
|
| 35. |
Raju bought a book for 46.50. He gave 100 to theshopkeeper. How much will he get back from the |
|
Answer» money given to shopkeeper=100/-cost of book=46.50/-money returned by shopkeeper=100-46.50 =100.00 (-) 46.50 ______ 53.50 --------- --》Hence,money returned to raju =53.50/- |
|
| 36. |
Find the amount to be paid at the end of 2 years on Rs.2400 at 5%per annum compounded annually. |
| Answer» | |
| 37. |
2400/10 |
| Answer» | |
| 38. |
The angle between the two tangents from the origin to the circle (x-7)^{2}+(y+1)^{2}=25 equalsequals |
| Answer» | |
| 39. |
EXERCISE 7.11.In quadrilateral ACBD,AC AD and AB bisects Z A(see Fig. 7.16). Show that ABCzAABD.What can you say about BC and BD? |
|
Answer» make the fig also |
|
| 40. |
6. If 23 + 2+ = 24, then x equals |
|
Answer» x= 1 is the right answer Here, 2 is common .So, 3+x=4 = x=4-3=1 x=1 is the right answer x=1 is the correct answer x =1 to come this answer x= 1 is correct answer. X=1 is correct answer please like it x=1 is right answer plz like |
|
| 41. |
In quadrilateral ACBDACAD and AB bisects Z A(see Fig. 7 16). Show that A ABC AABDWhat can you say about BC and BD?1. |
| Answer» | |
| 42. |
B 100 Viby,’L«V2x° A o Iचित्र 6.18 चित्र 6.192. चित्र 6.19 में, 2400 और ८800 एक रैखिक युग्म बनाते हैं। » का मान ज्ञात कीजिए। |
|
Answer» Chitra 6.19 me 4x + 2x = 180° ( kyoki yah ek straight line hai) 6x = 180° x = 180°/6 x = 30° Ab chitra 6.18 me dekhe x + y = 180° ( kyoki yah ek straight line hai) y = 180° - 30° = 150° |
|
| 43. |
\int_{\pi}^{\frac{\pi}{2}} \sin ^{9} x d x equals |
| Answer» | |
| 44. |
TIRUM9° IIT_MAIf x 1-1297 and y -1-2400, then1.10 2.253.134.43 |
| Answer» | |
| 45. |
times to it's breadth.The area of rectangular plot is 2400 square meters and it's length is 1What is the perimeter? |
| Answer» | |
| 46. |
SEP.A [1] (vii) Derivative of sin^-1(cos x) w.r.t. x, equals : |
| Answer» | |
| 47. |
that log xy logx log y |
| Answer» | |
| 48. |
How many non perfect squarenumbers are there between 15^2and 16^2? |
| Answer» | |
| 49. |
If 2x - (3x - 4) =3x - 5, then x equals: |
|
Answer» x= -5/11 is the correct answer of the given may be this is yr answer |
|
| 50. |
9. In the adjoining Figure, ABCD is a parallelogram.If Z DAB 85 and DBC 60°, then calculate:(i) L CDB(ii) Z ABD85°60 |
| Answer» | |