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Ta (H) Choose the most suitaDIe answer m Re the option eode with the corresponding answer. = 3, then the number of relations from A to B is uag Tih n 1) $n\left(A\right)=3$ and h(B) a) (2) b) 2-1 c) (2) d) (2) 2) If f is a function from 2 to 3 then which of the following is / are identity function? ) $1\left(x\right)$ $=\sqrt{x^{2}} $ $11\right)$ $1\left(x\right)=1\times 1$ ii) f(x) = Vx $w\right)+\left(x\right)=3\times 1\sqrt{9} -$ a) i, ii and iv b)i and iv Ta c) ii and iv d) i, ii, i and iv 3) The g.c.d of 48 and 49 is a) $3\times 2^{4}\times 72$ b) 3 c) 1 d) 3x7 4) $1$ $4^{1+1}+$ up to o terms is 24 b) 1/2 c) 3/2 d) 4 5) $a\right)$ $1r2^{\dfrac {2} {x}}+\bar{3} =0$ $and$ $4y=3y$ then $\left(x.y\right)$ $\left(s$ a) $\left(-3\sqrt{2,} $ $1\right)$ $b\right)$ $\left(-32,$ $0\right)$ $c\right)$ $\left(312$ $-1\right)$ d) $\left(32.0\right)$ 6) $1fA=\int cosθ$ $sin6$ -sin c0 os e then A is -sin e b) 0. a) d) -1 0 c) -1 $0-1$ 7) $8$ then $\dfrac {PR} {QR}^{is}$ b) ABC C a), AB AC d) ABB C AAB C Helo

FW. Ellis College of Fort St. George was founded by As considered the father of Tamil linguistic The ar THIRD REVISION EXAMINATION 2020 X STANDARD Marks:100 Time: 3.00 Hours Mathematics there ie any tach naiyar yhe 3 (1) (2) oUCpf shefe aepaBiek mr ltuehcse e s, ooqntir aunBiefnsolte aicnon fk n outIphr e nk appHteaarr o tlfws l Sorr iutfe paiearrnvnied ssos pr eoinf mcpmil oreidnr tiidnaterg alw y diagrams hoo Note: This question Section- A of the (H) Choose the most suitable answer trom the gven four alternatives $4.1-14$ $anA-1n$ 12. Note: 0 Answer all the 14 questions. iTRTMn h a e . the option code with the corresponding answer. 1) $1$ $n\left(A\right)=3$ $and$ $\left(8\right)=3.1nc$ the number of relations from A to B is uages a) (2) b) 2-1 c) (2) d) (2) 2) $118a$ function from 2 to 3 then which of the following is/ are identity function? $11\right)$ $1\left(x\right)=1x1$ in) $\right)$ $f\left(x\right)=3x$ $\right)\times 9$ UE ia) ) $f\left(x\right)=\sqrt{} $ $a$ $an^{\dfrac {x^{2}} {d}}$ iv $f\left(x\right)=4\dfrac {x^{3}} {d}w$ $0\right)$ $an$ $α\right)$ $n$ $m$ c) ii and iv and iv 3) The g.c.d of 48 and 49 is $3\right)$ $3\times 24\times 72$ b) 3 c) 1 d) 3x72 4) $1$ $4^{1+1}+$ $∪P10$ $x$ terms is 4. d) 4 $a\right)$ $b\right)12$ $2^{\dfrac {2} {x+}}\bar{3} =0and4y=3y$ $nen$ $1$ $c\right)32$ $\left(x.y\right)$ $s$ $c\right)$ $\left(32$ $-1\right)$ 5) $b\right)$ $\left(-32,0\right)$ d) (3/2, 0) 6) $a\right)$ $\left(-32$ $1\right)$ $1$ $A=\left(cosθ$ $-sinQ$ -sin 0 cos e then A is b) a) 0. d) -1 -1 0 c) 0-1] O $A$ then PQR R is b) ABC C a), AAAAC B C B d) ABB C A Helo

By ashat skoeld numbershould3\ $\left(\dfrac {3} {5}\right)b$ divided bo $9^{0t}\left(\dfrac {5} {3}\right)^{2}$ $-$ $n|m$

Which of the following is irrational $i\right)$ $1.2\bar{3} $ $i1\right)$ $1.41424344$ $.4$ ( $...$ $iii\right)$ $\sqrt{2} $ $iV\right)$ $\pi $ $1\right)$ i and iv $2\right)$ ii and iii only $3\right)$ ii, iii and iv $4\right)$ i only

2. Quadratic function can be represented $11sing$ $i.$ graph ii. equation iii. $1\pi csian$ $1V$ table of values $a1ucs$ a. i only b. i and ii $C.$ i, ii, $an0$ iii d. i, ii, $an0$ iv $3.$ Which of the following is an example of quadratic $\bar{5} 1n$ ion? $n7$ $a.y=x^{3}+7x$ $b.y=3^{x}-4x+2$ $c.y=3x^{2}-12x+16$ d. $x+7$ 4. The following models the quadratic function in real li e $e\times cept$ a. high energy $eVe$ b. stone thrown into the ai c. $ba1|$ launched upward d. fired vertically upward