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i next, Patna, 21 February 2014

You bought a guitar to punish your mom. You didn’t like school & you know you’re nobody’s fool ~ Pink Floyd@milinddeora

Model Test Paper (Math) Math Class : Xth Time: 3 Hours M. M. : 100





lgh mÙkj pqus%& 10X1=10 1- fuEu esa dkSu ifjes; la[;k gS \ (a)√3 (c) 4+√5

(b)2√2 /√2 (d)√6

2-fdlh /kukRed iw.kkZd ds fy, (a ,b) dk e0l0 x(a,b) dk y0l0 fuEu esa fdlds cjkcj gksrk gS \ (a) a/b (c) axb

(b) b/a (d) a+b

3- /kkr ,d okyk cgqin dgykrk gS \ (a) f}?kkr (b) f=?kkr (c) jSf[kd (d) dksbZ ugha 4- f=?kkr cgqin dk lcls O;kid :i gS \ (a) ax2+bx+c (b) ax4+bx3+c (c) ax3+bx2+cx+d 5- ;  fn sin A=3/4, rks cosA dk eku

gksxk \ (a)4/3 (b)√3/4 (c)√4/3 (d)√7/4 6- Tan A cjkcj gksxk \ (a) Cot(900-A) (b)Sec(900-A) (c) Cosec(900-A) (d) Cos(900-A) 7- fdlh fcUnq dh x v{k ls nwjh ml

fcUnq dk dgykrh gS \ (a)Hkqt (b)dksfV (c)v{k (d)vkys[k 8- r f=T;k okys o`r dk lw= gS \ (a)2πr (b)4πr2 (c)Πr2 (d)4πr

9- lap;h ckjEckjrk oØ dgykrh gS \ (a) rksj.k (bvk;rfp= (c) naMkys[k (d)ckjackjrk cgqHkqt 10-;wfDyM foHkktu ,Yxksfjne nks /kukRed iw.kkZadks ds fuEu esa fdls ifjdfyr djus ds rduhd gS \ (a) Yk0l0 (b)Ek0l0 (c) ;ksxQy (d)’ksá fuEu iz’uksa dk mÙkj nsa%& 10X1=10 1- ,d jSf[kd ;qXe ftldk dksbZ gy ugha gksrk] D;k dgykrk gS \ 12- Tan 450 dk eku Kkr djsa. 13. Cosec2A-1 dk eku Kkr dhft,. 14- Tan 260/ Cot 640 dk eku crk;sa. 15- lw= m1 x2+ m2 x 1/m1+m2, m1 y 2+ m 2 y 1/m1+m2 D;k dgykrk gS\ 16- fcUnq p(x1,y1) vkSj q(x2,y2) ds chp dh nwjh Kkr djsa. 17- nks f=Hkqt esa laxr dks.k cjkcj gS rFkk laxr Hkqtk,W ,d gh vuqikr esa gS rks bu nks f=Hkqtks dks D;k dgk tkrk gS \ 18- **,d ledks.k f=Hkqt esa d.kZ dk oxZ àæðá nks Hkqtkvksa ds oxkZs ds ;ksx ds cjkcj gksrk gS^^ bl izes; dks fdlus izfrikfnr fd;k \ 19- 3-5 lseh0 f=T;k okys v)Zxksys dk odzi`áB {ks=Qy Kkr fdth, \ 20- f dlh iz;ksx dh lHkh izkjafHkd ?kVukvksa dh izkf;drkvksa dk ;ksx fdruh gS\ 21- vHkkT; xq.ku[kaM fof/k }kjk 96 vkSj 404 dk e0l0 Kkr djsa rFkk mlls y0l0 Kkr djsa.  2

22-fcuk yach foHkktu izfdz;k fd, crkb, fd 7@80 ifjes; la[;k ds n’keyo izlkj lkar gS ;k vlkar. 23-;fn 15Cot A=8 ] rks SinA vkSj Sec A dk eku Kkr fdth,. 2 24- 2 Tan2450 + Cos2300 –Sin2600 dk eku Kkr fdth,. 2 25- Lkekarj Js.kh 3@2] 1@2] &1@2] &3@2----------------- ds fy, izFke in. vkSj lkoZ varj fyf[k,. 2 26-Lkekarj Js.kh 8]3]&2----------- esa izFke 22 inkssa dk ;ksx Kkr fdth,. 2 27- fcUnq ;qXe (2,3) rFkk (4,1) ds chp dh nwjh Kkr djsa.  2 28- m  l f=Hkqt dk {ks=Qy Kkr fdth, ftlds àæèáæðü (1,-1) (-4,6) vkSj (-3,-5) gSa.  2 29- ,d o`r ds prqFkkZ’k dk {ks=Qy Kkr fdth, ftldh ifjf/k 22 lseh0 gS. 2 30- n ks f=Hkqt le:iksa gksus dk izfrca/k crk,W. 2 31- tc ,d flDds dks ,d ckj mNkyk tkrk gS] rks fpr izkIr djus izkf;drk crk,W. 2 32- f l) djsa fd √2 ,d vifjess; la[;k gS. 3 33- xq.ku[kaMu }kjk lehdj.k 2x2 -5x+3=0 ds ewy Kkr djsa. 3 34-;fn Tan=4/3 rks dks.k A ds vU; f=dks.kferh; vuqikr Kkr djsa. 3

35-;fn Sin3A=Cos(A-260) gkss tgkW 3A ,d U;qudks.k gS rks A dk eku Kkr fdth,.3 36-K dk eku Kkr fdth,] ;fn fcUnqvks A(2,3), B(4,K) vkSj C(6,-3) lajs[kh gS. 3 37-,d f=Hkqt ABC dh Hkqtk BC ij ,d fcUnq D bl izdkj fLFkr gS] fd ADC= BAC, rks fn[kkb,

dh CA2=CB.CD gS. 3 38- ABC ,d lef}ckgq ledks.k f=Hkqt gS. ftldk dks.k C ledks.k gS. fl) dhft, dh AB2=2AC2 gS. 3 39- 56 ehVj Hkqtk okys ,d oxkZdkj ykWu ds nks vksj cuh gq, nks o`rkdkj Qqyks dh D;kfj;kW gS. ;fn izR;sd o`rkdkj Qqyks dh D;kjh dk dsUnz oxkZdkj ykWu ds fod.kZ dk izfrPNsn fcUnq gS rks oxkZdkj ykWu rFkk Qyksa dh D;kfj;ks ds {ks=Qy dk ;ksx Kkr dhft,.  3 40- ,d ‘àæaDokdkj yV~Vq ds mij ,d v)Zxksyk v/;kjksfir gS. yV~Vq dh iwjh mpkbZ 5 lseh0 vkSj O;kl 3-5 lseh0 gS] rks yV~Vq dk odz i`cB {ks=Qy Kkr dhft,.  3 41- fdlh xsanckt }kjk fdzdsV eSpksa fy, x;s fodVks dh la[;k 2] 6] 4] 5] 0] 2] 1] 3] 2] 3 gS. bu dk cgqyd Kkr djs.  3 42-  nks f[kykM+h laxhrk vkSj js’kek Vsful dk ,d eSp [ksyrs gS ;g Kkr gS] fd laxhrk }kjk eSp thrus dh izkf;drk 0-69 gS. js’kek dh thrus dh izkf;drk D;k gS.  3 43-  tkWp dhft, fd lehdj.k ;qXe X+3Y=6 rFkk 2X-3Y=12 laxr gSA ;fn gS] rks xzkQ }kjk gy djsa. ^^vFkok** jhckHk /kkjk ds vuwdwy 2 ?kaVs esa 20 fdeh0 uko pyk ldrk gS vkSj /kkjk ds izfrdwy 2 ?kaVs esa 4 fdeh0 uko pyk ldrk gS. mldk fLFkj ty esa uko pykus dh pky rFkk /kkjk dh pky Kkr djsa.  5 44-f}?kkr lw= ls f}?kkr lehdj.k 2x2+x-528=0 dks gy djsa.

^^vFkok**  nks oxksZ dk {ks=Qyksa dk ;ksx 468 oxZehVj ;fn mudks ifjekiksa dk varj 24 ehVj gks] rks nksuks oxksZ dh Hkqtk,W Kkr dhft,.  5 45-,d cgqeaftyk Hkou ds f’k[kj ls ns[kus ij ,d 8 ehVj mps Hkou ds f’k[kj vkSj ry ds voueu dks.k 300 vkSj 450 gS. cgqeaftys dh mpkbZ vkSj nksuks Hkouks ds chp dh nwjh Kkr djsa. ^^vFkok** ehukj d vk/kkj ls ,d ljy js[kk esa 4 ehVj vkSj 9 ehVj dh nwjh ij fLFkr nks fcUnqvksa ls ehukj ds f’k[kj ds mUu;u dks.k iwjd gS. fl) djsa dh ehukj dh mpkbZ 6 ehVj gS. 46- fl) djsa fd ;fn ,d js[kk fdlh f=Hkqt dh nks Hkqtkvks dks ,d gh vuqikr esa foHkkthr djs]a rks og rhljh Hkqtk ds lekarj gksrh gS. ^^vFkok** fl) djsa fd ;fn fdlh f=Hkqt dh nks Hkqtkvksa ds oxksZ ds ;ksx ds cjkcj gks] rks igyh Hkqtk dk lEeq[k dks.k ledks.k gksrk gS. 47-4 lseh0] 5 lseh0 vkSj 6 lseh0 Hkqtk okys ,d f=Hkqt dh jpuk dhft, vkSj fQj mlds le:i ,d vU; f=Hkqt dh jpuk dhft,] ftldh Hkqtk,W fn, gq, f=Hkqt dh laxr Hkqtkvks dh 2@3 xquh gks. ^^vFkok** 5 lseh0 f=T;k ds o`r ij ,slh nks Li’kZ js[kkvksa [khph, tks ijLij 600 ds dks.k ij >qdh gks. Teacher: Akhilesh Kumar

ADD: RAMJEE CHAK DIGHA (YADAV GALI), BATAGANJ, PATNA-18

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