Documents

Dpp (3-4)_12th_Maths_2015_E

Description
Description:
Categories
Published
of 2
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Share
Transcript
  PAGE#1 MATHEMATICS  Daily Practice Problems Target JEE 2016  Class:XII Time:20Min.  Dpp (3-4)_12th_Maths_2015_E  M.M.: 32 Dpp.No.-3 SPECIALDPP QuestionextractedfromONLINEJEE-MAINPAPER-2,2014 Q.1 The sum of the first 20 terms common between the series 3 + 7 + 11 + 15 + ……. and1 + 6 +11 + 16 + ……., is(1) 4200 (2) 4000 (3) 4020 (4) 4220Q.2 The set of all real values of    for which exactlytwo common tangents can be drawn to the circlesx 2 + y 2  – 4x – 4y+ 6 = 0 and x 2 + y 2  – 10x – 10y+   = 0 is the interval(1) (18, 48) (2) (12, 32) (3) (18, 42) (4) (12, 24)Q.3 If    4x4x k 2x)2k (x)2x(tan Lim 222x    =5,thenkisequalto(1) 2 (2) 1 (3) 3 (4) 0Q.4 If 2cos  +sin  =1        2,then7cos  +6sin  isequalto(1)546(2) 2 (3)21(4)211Q.5 Thebaseofanequilateraltriangleisalongthelinegivenby3x+4y=9.Ifavertexofthetriangleis(1,2),thenthelengthofasideofthetriangleis(1)532(2)534(3)1532(4)1534Q.6 Thecoefficientofx 50 inthebinomialexpansionof (1 + x) 1000 + x (1 + x) 999 + x 2 (1 + x) 998 + ……. + x 1000 is(1))!951()!50( )!1001((2))!950()!50( )!1000((3))!950()!51( )!1001((4))!951()!49( )!1000(Q.7 If   and   are roots ofthe equationx 2  –4  2  kx +2e 4 l  n k   – 1=0 forsomek and  2 +  2 = 66,then  3 +  3 is equal to(1) 280  2  (2) 248  2  (3) – 32  2  (4) – 280  2 Q.8 Inageometricprogression,iftheratioofthesumoffirst5termstothesumoftheirreciprocalsis49,andthesumofthefirstandthethirdtermis35.Thenthefirsttermofthisgeometricprogressionis(1) 42 (2) 21 (3) 7 (4) 28  PAGE#2 MATHEMATICS  Daily Practice Problems Target JEE 2016  Class:XII Time:20Min. Discussion Date: 20-21/04/2015 M.M.: 40 Dpp.No.-4 SPECIALDPP QuestionextractedfromONLINEJEE-MAINPAPER-3,2014 Q.1 Let G be the geometric mean of two positive numbers a and b, and M be the arithmetic mean of a1and b1.If M1: Gis 4: 5,then a: b canbe(1) 2: 3 (2) 1: 4 (3) 1: 2 (4) 3: 4Q.2 If f(  )=1sin1cos1sin1cos1   andAandBarerespectivelythemaximumandtheminimumvaluesoff(  ),then(A,B)isequalto(1) (2 +  2  , – 1) (2) (2 +  2  , 2 –   2  ) (3) (3, – 1) (4) (4, 2 –   2  )Q.3 IfalineinterceptedbetweenthecoordinateaxesistrisectedatapointA(4,3),whichisnearertox-axis,thenitsequationis(1) 3x + 8y= 36 (2) x + 3y= 13 (3) 4x – 3y= 7 (4) 3x + 2y= 18Q.4 If1+x 4 +x 5 =    50iii  )x1(a  ,forallxinR,thena 2 is(1) – 4 (2) – 8 (3) 6 (4) 10Q.5 If  222222222 )c() b()a( )c() b()a( c ba    = k   111c bac ba  222 ,   0, then k is equal to(1) – 4   abc (2) 4  2 (3) – 4  2 (4) 4  abcQ.6 Theleastpositiveintegernsuchthat1–  100132.3232 1n2     ,is(1) 4 (2) 6 (3) 5 (4) 7Q.7 If  55 3x2        is expanded in the ascendingpowers of x and the coefficients of powers of x in twoconsecutivetermsoftheexpansionareequal,thenthesetermsare(1) 28 th and 29 th (2) 27 th and 28 th (3) 7 th and 8 th (4) 8 th and 9 th Q.8 Forthe twocircle x 2 +y 2 = 16and x 2 +y 2  – 2y=0, thereis/are(1)twopairsofcommontangents (2)onepairofcommontangents(3)nocommontangent (4)threecommontangentsQ.9 Thesum oftheroots oftheequation x 2 +|2x–3|–4=0,is(1) 2 (2) – 2 (3) –   2  (4)  2 Q.10 8-digitnumbersareformedusingthedigits1,1,2,2,2,3,4,4.Thenumberofsuchnumbersinwhichtheodddigitsdonotoccupyoddplaces,is(1) 120 (2) 48 (3) 160 (4) 60
Search
Tags
Related Search
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks
SAVE OUR EARTH

We need your sign to support Project to invent "SMART AND CONTROLLABLE REFLECTIVE BALLOONS" to cover the Sun and Save Our Earth.

More details...

Sign Now!

We are very appreciated for your Prompt Action!

x