Nội dung text Test-13_Explanation_(State level Prelims Test series 24) (1).pdf
DELHI IAS ACADEMY T-13 Page No.: 1 ijh{kk d sUn zk/;{k dh ek sgj Seal of Superintendent of Examination Centre oh{kd d s gLrk{kj (Signature of Invigilator)...................................... oh{kd dk uke (Name of Invigilator)........................................... ijh{kkfFk Z;k sa }kjk dky s ck Wy ik Wb.V i su ls Hkjk tk;A mÙkj&i qfLrdk dk Øekad To be filled by Candidates by Black Ball Point pen only Sr.No.of Answer Sheet vu qØek ad ROLL NO ?kk s’k.kk % e S au s uhp s fn; s x; s fun sZ”k vPNh rjg i< +dj le> fy, g S aA Declaration: I have read and understand the directions given below.. ijh{kkFkh Z d s gLrk{kj (Signature of Candidates)...................................... ijh{kkFkh Z dk uke (Name of Candidates)........................................... fnuk ad % le; (Date) .........../........./................. (Time) .............................. i qfLrdk e s a i `’Bk s a dh l a[;k 1 6 i qfLrdk e s a i z”uk s a dh l a[;k 1 0 0 le ; 2 ?k aV s i w.kk Z ad 2 0 0 Number of Pages in Booklet Number of Questions in Booklet Time Hours Total Marks ijh{kkfFk Z;k sa d s fy, fun sZ”k (Instructions for Candidates) 1- 1⁄4d1⁄2 vH;fFkZ;k sa dks vks],e-vkj- mRrj”khV esa izfof’V;k¡ tSls uke] jksy ua- vkfn Hkjus ds fy, vfrfjDr le; fn;k x;k gSA 1⁄4[k1⁄2 bl fn;s x;s le; ds i”pkr~ vH;fFkZ;ksa dk s iz”u&iqfLrdk tk;sxhA iz”u iqfLrdk ds i`’Bksa rFkk iz”uksa dh la[;k dk feyku bl eq[k i`’B ij nh xbZ la[;kvksa ls dj ysaA ;fn blesa dk sbZ fHkUurk gk s rks d`i;k iz”u&iqfLrdk rRdky cny y saA 1⁄4x1⁄2 fn, x, vfrfjDr le; esa mRrj vafdr djus dh vu qefr ugha gSA mRrj vafdr djus ds fy, nks ?kaVs dk le; fn;k tk,xkA 2- 1⁄4d1⁄2 nh xbZ mRrj&”khV e sa uhy s ;k dky s cky ik Wb.V i su ls vu qØek ad] iz”uiqfLrdk dk Øek ad] iz”u iqfLrdk dk lsV 1⁄4A, B, C vFkok D1⁄2] ijh{kkFkhZ dk uke] ijh{kkFkhZ ds gLrk{kj rFkk ijh{kk dh frfFk] vafdr djsaA 1⁄4[k1⁄2 mRrj&”khV e sa jk sy u a-] iz”u iqfLrdk dk lsV] dsUn z dk s vkfn lacaf/kr xk sys O dk s uhy s ;k dky s cky ik Wb.V i su ls HkjsaA 1⁄4x1⁄2 mRrj&”khV esa iz”uksa ds mRrj vafdr djus gSaA bl laca/k esa fun sZ”k bl iz”u iqfLrdk ds ihNs fn;s x;s gSaA 3- vkWfIVdy ekdZ jhMj (OMR) e”khu mRrj&”khV dh uhy s ;k dky s cky ikWb.V isu ls Hkjsa xksy s O dh izfof’V;ksa dks i<+dj ijh{kkQy rS;kj djrh gS] vr% ijh{kkfFkZ;ksa dks lp sr fd;k tkrk gS fd os mRrj&”khV esa izfof’V;ksa dks Hkjrs le; iwjh&iwjh lko/kkuh cjrsa ,oa dksbZ =qfV u djsaA 4- mRrj&”khV ij fu/kkZfjr LFkkuksa ij pkgh xbZ izfof’V;k¡ Hkjus ds vykok dqN u fy[ksa@vafdr djsaA 5- fdlh Hkh i zdkj d s dSyd qy sVj] ykWx V scy ,oa ek sckby Qk su vkfn dk i z;k sx oft Zr g SA 6- jQ dk;Z bl iz”u&iqfLrdk ds fu/kkZfjr [kkyh i`’Bksa esa vFkok vU; i`’Bksa e sa fu/kkZfjr txgk sa ij djsa vfrfjDr i`’B ugha fn;s tk;saxsA 7- ;fn fdlh iz”u esa fdlh izdkj dh dk sbZ eqnz.k ;k rF;kRed izdkj dh =qfV gks] rk s bl lEcU/k esa laLFkk dk fu.kZ; vfUre gksxkA 8- ijh{kk lekfIr ds i”pkr~ mDr ds laca/k esa fdlh Hkh izdkj dk vH;kosnu@f”kdk;r ij dk sbZ dk;Zokgh ugha dh tk,xhA 1⁄4uk sV% mRrj v afdr dju s d s fy, d `i;k i z”u i qfLrdk d s ihN s doj i st ij fn, x, fun sZ”kk sa dk s n s[k sa1⁄2 1. (a) Candidates are allowed time to fill up the basic information about themselves in the OMR sheet such as Name, Roll No. etc. (b) After this, question booklet will be given to the candidates. Tally the number of pages along with no. of questions printed on cover of the booklet in case of any discrepancy please get the booklet changed immediately. (c) Answering of question is not allowed in the given extra time. Two hours time will be given for answering. 2. (a) On Answer Sheet, supplied to you write input Roll No., Que. Booklet No., Set of Question Booklet (A,B,C or D). Name of Candidate, Signature of candidate, Date of Exam, in Blue or Black Ball Point Pen. (b) On Answer Sheet till in your Roll No., Que. Booklet Set and Centre Code etc. by darkening corresponding circle O with Blue or Black Ball Point Pen. (c) On Answer Sheet only the answers to questions are to be marked. The instructions for this are available on the back cover page of the question booklet. 3. Optical Mark Reader (OMR) machine prepares the result by reading the entries made in the circles O will the Blue or Black Ball Point Pen on the Answer Sheet, hence the candidates must be extremely careful in marking these entries and must not commit errors. 4. Please do not write mark on Answer Sheet anything extra except what is asked for. 5. USE OF ANY CALCULATOR, LOG TABLES, MOBILE PHONE ETC IS PROHIBITED. 6. Rough work should be done on the blank pages or in the space provided for this on each page of this question booklet. Extra paper will not be supplied. 7. If there is any sort of mistakes discrepancy (in Hindi or English Version of the question) either of printing or of factual nature then regarding this Institute no action will be taken on any type of representation complaint as stated above. 8. After the completion of the examination, no action will be taken on any representation/complaint regarding the above. (Note: For Instructions regarding marking the answer please see the Last page of this question Booklet.) DELHI IAS ACADEMY STATE LEVEL OFFLINE/ONLINE TEST SERIES 2024-25 CGPSC (PRELIMS) (SUBJECT : CSAT - Maths, Reasoning, D.M., Hindi & Chhattisgarhi Language) T-13
DELHI IAS ACADEMY T-13 Page No.: 3 1 fdxzk feJ.k dk lh-ih-= 9.24 8.40. 110 100 :i;s feJ.k d s fu;e ls ge sa ;g çkIr gk srk g S%& 1.40 0.60 çFke çdkj dh 1 fdx zk phuh dk Ø; ewY; 9 #i;s nwljh fdLe dh 1 fdyks phuh dh dher 7 #i;s vkSlr ewY; 8-40 :i;s igyh vkSj nwljh fdLe dh ek=kvksa dk vuqikr 3⁄4 14 % 6 3⁄4 7 % 3 ekuk igyh fdLe dh x fdxzk phuh dks nwljh fdLe dh 27 fdxzk phuh ds lkFk feyk;k tkrk gS 7 : 3 x : 27 3 27 7 x x 63 fdxzk- Q.4. ,d O;kikjh d s ikl 1000 fdyk sxzke phuh g S] ftldk d qN fgLlk og 8% ykHk ij vk Sj ckdh 18% ykHk ij csprk g SA dqy feykdj mls 14% ykHk gk srk gSA 18% ykHk ij csph xbZ ek=k fdruh g S\ (a) 400 fdxzkŒ (b) 560 fdxzkŒ (c) 600 fdxzkŒ (d) 640 fdxzkŒ Ans: c Sol: feJ.k d s fu;e ls] 4 6 çFke Hkkx ij ykHk 8% f}rh; Hkkx ij ykHk 18% vkSlr ykHk 14% çFke vk Sj f}rh; Hkkx dk vu qikr = 4 : 6 = 2 : 3 n wlj s çdkj dh ek=k= 1000 5 3 fdxzkŒ = 600fdxzkŒ Q.5. 9-30 #i;s çfr fdyk sxzke okys ,d çdkj d s xsg wa dk s 8%7 d s vu qikr e sa ,d fuf'pr nj ij n wlj s çdkj d s xsg wa d s lkFk feyk;k tkrk g SA ;fn bl çdkj cu s feJ.k dh dher 10 #i;s çfr fdyk sxzke g S] rk s n wlj s çdkj d s xsg wa dh çfr fdyk sxzke nj D;k g S\ (a) 10.30 #i;s (b) 10.60 #i;s (c) 10.80 #i;s (d) 11 #i;s Ans: c C.P. of 1 kg of mixture = Rs. 9.24 Rs.8.40. 110 100 By the rule of alligation we have: C.P. of 1 kg sugar of 1st kind Rs. 9 Cost of 1 kg Sugar of 2nd kind Rs.7 1.40 0.60 Mean Price Rs. 8.40 Ratio of quantities of 1st and 2nd kind = 14 : 6 = 7 : 3 Let x kg of sugar of 1st kind be mixed with 27 kg of 2nd kind. 7 : 3 x : 27 3 27 7 x x 63 kg Q.4. A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is: (a) 400 kg (b) 560 kg (c) 600 kg (d) 640 kg Ans: c Sol: By the rule of alligation, we have : Profit on 1st part 8% Profit on 2nd part 18% 4 6 Mean profit 14% Ratio of 1st and 2nd parts = 4 : 6 = 2 : 3 Quantity of 2nd kind = 1000 5 3 kg = 600kg. Q.5. One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8 : 7 If the mixture so formed be worth Rs.10 per kg, what is the rate per kg of the second quality of wheat? (a) Rs. 10.30 (b) Rs. 10.60 (c) Rs. 10.80 (d) Rs. 11 Ans: c
DELHI IAS ACADEMY T-13 Page No.: 4 Sol: eku yhft, fd nwljh xq.koÙkk dh nj X #i;s çfr fdyksxzke g SA feJ.k d s fu;e ls (100x-1000)p 70p igyh fdLe ds 1 fdyks x sgwa dk Ø; ewY; 930 i Sls nwljh fdLe d s 1 fdyks xsgwa dk Ø; ewY; 1⁄4100X1⁄2 ih vkSlr ewY; 1000iSl s 700 7000 560 7 8 70 100 1000 x x 700x 7560 x 10.80 Q.6. lkèkkj.k C;kt ij ,d fuf'pr èkujkf'k 2 1 2 o"kk sZa e sa 1012 #i;s vk Sj 4 o"kk sZa e sa 1067-20 #i;s gks tkrh g SA çfr o"kZ C;kt dh nj g S% (a) 2.5% (b) 3% (c) 4% (d) 5% Ans: c Sol: 2 1 1 o’k Z d s fy, lk/kkj.k C;kt 3⁄4 (1067.20-1012):i;s 3⁄4 55-20 :i;s 2 1 2 o’kZ ds fy, lk/kkj.k C;kt = 55.20 = 92 2 5 3 2 55.20 ewy/ku = (1012-92):i;s = 920 :i;s blfy,] nj= % 4%. 920 5 100 92 2 Q.7. fdlh fuf'pr jkf'k ij lkèkkj.k C;kt e wyèku dk 16 9 gk srk g SA ;fn çfr'kr e sa C;kt nj vk Sj o"kk sZa e sa le; dk s n'kk Zu s okyh la[;k,¡ cjkcj gksa] rk s e wyèku dk s fdru s le; d s fy, fuos”k fd;k x;k\ (a) 2 1 5 o’k Z (b) 2 1 6 o’k Z (c) 7 o’k Z (d) 2 1 7 o’k Z Ans: d Sol: ekuk ;k sx 3⁄4 x rk s]lk/kkj.k C;kt = x 16 9 Sol: Let the rate of the second quality be Rs. x per kg. By the rule of alligation, we have: C.P. of 1 kg wheat of 1st kind 930 p C.P. of 1 kg wheat of 2nd kind (100x) p (100x-1000)p 70p Mean Price 1000p 700 7000 560 7 8 70 100 1000 x x 700x 7560 x 10.80 Q.6. A certain sum of money at simple interest amounts to Rs. 1012 in 2 1 2 years and to Rs. 1067.20 in 4 years. The rate of interest per annum is: (a) 2.5% (b) 3% (c) 4% (d) 5% Ans: c Sol: S.I. for 2 1 1 years = Rs. (1067.20-1012)= Rs.55.20. S.I. for 2 1 2 years = 55.20 = 92 2 5 3 2 55.20 Principal = Rs. (1012-92)= Rs. 920. Hence, rate = % 4%. 920 5 100 92 2 Q.7. Simple interest on a certain amount is 16 9 of the princi- pal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is: (a) 2 1 5 years (b) 2 1 6 years (c) 7 years (d) 2 1 7 years Ans: d Sol: Let sum = x Then, S.I. = x 16 9