www.Padasalai.Net www.TrbTnpsc.com http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html PADASALAI’S CENTUM COACHING TEAM Special Question Paper Mathematics STD: XII Marks :200, Time : 3 Hrs. Section – A (answer all Questions) 40x1=40 1. 3 2 1 A vdpy; T AA d; juk; fhz;f a) 3 b) 0 c) 1 d) 2 2. 5 4 1 3 k 1 2 3 1 vd;w mzpf;F Neh;khW cz;L vdpy; kd; kjpg;G(fs;) a)k VNjDk; xU nka;naz; b) 4 k c) 4 k d) 4 k 3. xU rJu mzp A d; thpir n vdpy; A adj vd;gJ a) 2 A b) n A c) 1 n A d) A 4. A kw;Wk; B vd;w mzpfs; ngUf;fYf;F cfe;jitahapd; T AB = a) T T B A b) T T A B c) AB d) BA 5. a f;Fk; b f;Fk; ,ilg;gl;l Nfhzk; 120° NkYk; mtw;wpd; vz;zsTfs; KiwNa 3 2, a . b MdJ a) 3 b) 3 c) 2 d) 2 3 6. k 4 j 3 i 2 , k c j b i a Mfpa ntf;lh;fs; nrq;Fj;J ntf;lHfshapd;> a) a = 2, b = 3, c = -4 b) a = 4, b = 4, c = 5 c) a = 4, b = 4, c = -5 d)a = -2, b =3, c =4 7. k j i PR 2 , k j i S Q 2 3 vdpy; ehw;fuk; PQRS d; gug;G a) 3 5 b) 3 10 c) 2 3 5 d) 2 3 8. b d; kPJ a d; tPoy; kw;Wk; a d; kPJ b d; tPoYk; rkkhapd; a + b kw;Wk; a - b f;F ,ilg;gl;l Nfhzk; a) 2 b) 3 c) 4 d) 3 29. k j i m 2 kw;Wk; k j i 2 9 4 vd;gd nrq;Fj;J ntf;lHfs; vdpy; m ,d; kjpg;G a) -4 b) 8 c) 4 d) 12 10. k j i 2 9 5 , k j i m 2 vd;gd nrq;Fj;J ntf;lHfs; vdpy; m ,d; kjpg;G a) 16 5 b) 16 5 c) 5 16 d) 5 16 11. 1 2 2 y x vdpy; iy x iy x 1 1 d; kjpg;G a) iy x b) x 2 c) iy 2 d) iy x 12. 100 100 2 3 1 2 3 1 i i d; kjpg;G a) 2 b) 0 c) -1 d) 1 13. a = 3 + i kw;Wk; z = 2 – 3i vdpy; cs;s az, 3az kw;Wk; -az vd;gd xU Mh;fd; jsj;jpy; a) nrq;Nfhz Kf;Nfhzj;jpd; Kidg;Gs;spfs; b) rkgf;f Kf;Nfhzj;jpd; Kidg;Gs;spfs; c) ,U rkgf;f Kf;Nfhzj;jpd; Kidg;Gs;spfs; d) xNu Nfhliktd. 14. i 2 3 ,d; nka; kw;Wk; fw;gidg; gFjpfs; a) 0, 3/2 b) 3/2, 0 c) 2, 3 d) 3, 2
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PADASALAI’S CENTUM COACHING TEAM Special Question Paper Mathematics · 2014-11-29 · Padasalai’s Centum Coaching Team
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a) 2 b) 0 c) -1 d) 1 13. a = 3 + i kw;Wk; z = 2 – 3i vdpy; cs;s az, 3az kw;Wk; -az vd;gd xU Mh;fd; jsj;jpy; a) nrq;Nfhz Kf;Nfhzj;jpd; Kidg;Gs;spfs; b) rkgf;f Kf;Nfhzj;jpd; Kidg;Gs;spfs; c) ,U rkgf;f Kf;Nfhzj;jpd; Kidg;Gs;spfs; d) xNu Nfhliktd.
a) xU ePs;tl;lk; b) xU tl;lk;. c) xU gutisak; d) xU mjpgutisak; 16. (2,-3) vd;w Kid x = 4 vd;w ,af;Ftiuiaf; nfhz;l gutisaj;jpd; nrt;tfy ePsk; a) 2 b) 4 c) 6 d) 8
17. 1y8x2 vd;w gutisaj;jpd; Kid
a)
0,
8
1 b)
0,
8
1 c)
8
1,0 d)
8
1,0
18. xy 42 -,d; nrt;tfyj;jpd; rkd;ghL
a) x = 1 b) y = 1 c) x = 4 d) y = -1 19. MjpapypUe;J xU Neh;f;Nfhl;by; x njhiytpy; efUk; Gs;spapd; jpirNtfk; v vdTk; a+bv2=x2vdTk; nfhLf;fg;gl;Ls;sJ. ,q;F a kw;Wk; b khwpypfs; mjd; KLf;fkhdJ
a)x
b b)
x
a c)
b
x d)
a
x
20. = 1 / t vDk; tistiuf;F Gs;sp (-3, -1/3 ) vd;w Gs;spapy; nrq;Nfhl;bd; rkd;ghL a) 80273 t b) 80275 t c) 80273 t d) t1
22.° C ntg;gepiyapy; “ l “ kP ePsKs;s xU cNyhfj; Jz;bd; rkd;ghL 20000004.000005.01 l vdpy;
100°C -y; l-,d; khW tPjk; a) Cm00013.0 b) Cm00023.0 c) Cm00026.0 d) Cm00033.0
23. u = sin-1
22
44
yx
yx kw;Wk; f = sin u vdpy; rkgbj;jhd rhh;G f d; gb
a) 0 b) 1 c) 2 d) 4
24. u = ,
yx
1
22
vdpy; x x
u
+ y y
u
a) u2
1 b) u c) u2
3 d) – u
25.
2/
03/53/5
3/5
xsinxcos
xcos dx d; kjpg;G
a) 2 b) 4 c) 0 d)
26. 1
0
4)x1(x dx d; kjpg;G.
a) 1/ 12 b) 1/30 c) 1/ 24 d) 1/ 20
27. 4/
0
3 xdx2cos d; kjpg;G
a) 2 / 3 b) 1/ 3 c) 0 d) 32
28. dxxI nn sin vdpy; nI
a) 21 1
cossin1
n
n In
nxx
n b) 2
1 1cossin
1
n
n In
nxx
n
c) 21 1
cossin1
n
n In
nxx
n d) n
n In
nxx
n
1cossin
1 1
29. QPydx
dy vd;w tiff;nfO rkd;ghl;bd; njhiff; fhuzp cos x vdpy; P d; kjpg;G
a) – cot x. b) cot x c) tan x d) – tan x.
30. m < 0 Mf ,Ug;gpd; 0dx
mxdy
d; jPh;T
a) x = cemy. b) x = ce-my. c) x = my + c. d) x = c. 31. Mjpg;Gs;spia ikakhff; nfhz;l tl;lq;fspd; njhFg;gpd; tiff;nfO rkd;ghL a) x dy + y d x = 0 b) x dy – y d x = 0 c) x d x + y dy = 0 d) x d x – y d y =0
a) 1,1 b) 1,2 c) 2,1 d) 0,1 33. xU $l;Lf; $w;W %d;W jdpf;$w;Wfisf; nfhz;ljhf ,Ug;gpd;> nka;al;ltizapYs;s epiufspd; vz;zpf;if
a) 8 b) 6 c) 4 d) 2 34.epge;jidf; $w;W qp f;F rkhdkhdJ
a) p v q. b) p v ~ q c) ~p v q. d) p ^ q. 35. p apd; nka;kjpg;G T kw;Wk; q d; nka;kjpg;G F vdpy; gpd;tUtdtw;wpy; vit nka;kjpg;G T vd ,Uf;Fk;? (i) p v q (ii) ~ p v q iii) p v ~q iv) p ^ ~ q. a) (i), (ii), (iii) b) (i), (ii),(iv) c) (i), (iii), (iv) d) (ii), (iii), (iv) 36. gpd;tUk; $w;Wfspy; nka;kjpg;Gfs; i. Cl;bahdJ jkpo;ehl;by; cs;sJ kw;Wk; 3 + 4 = 8 ii. Cl;bahdJ jkpo;ehl;by; cs;sJ kw;Wk; 3 + 4
= 7 iii. Cl;bahdJ Nfushtpy; cs;sJ kw;Wk; 3 + 4 = 7 iv. Cl;bahdJ Nfushtpy; cs;sJ kw;Wk; 3 + 4
Mr. J. NITHYAVEL, M.Sc., B.Ed.,, M.C.A, M.B.A., M.PHil.,
No: 3, 2nd St, Ondikuppam, Kaladi Pet,
Thiruvottiyur,
Chennai 600 019.
Cell No: 9884127242
If any doubt, Please contact our Padasalai’s Centum Coaching Team Coordinator:
Mr. S. Ravi kumar, B.Sc., B.Ed., Headmaster., GHS, Aasanampattu,, Vellore District.:
CellNo: 9994453649
Useful Links:
1. All Other Subject Question Papers Download Click Here 2. Centum Coaching Team Instructions Click Here 3. Centum Coaching Team Teacher's Registration Form Click Here 4. Centum Coaching Team Student's Registration Form Click Here