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JELET-2017, For all Diploma holders in Engg./Tech., Time Allowed : 2 Hours Maximum Marks: 100, , 80116361, , Booklet No. ......sccssseccssessseesseeceneess, , 8, , , , , , INSTRUCTIONS, Candidates should read the following instructions carefully before answering the questions:, 1. This question paper contains 100 MCQ type objective questions. Each question has four answer options given,, viz. A, B, C and D., , 2. Only one answer is correct. Correct answer will fetch full marks 1. Incorrect answer or any combination, of miore than one answer will fetch -Y/%4 marks. No answer will fetch 0 marks. 7, , 3. Questions must be answered on OMR sheet by darkening the appropriate bubble marked A, B, C or D,, Use only Black/Blue ball point pen to mark the answer by complete filling up of the respective bubbles., , Mark the answers only in the space provided. Do not make any stray mark on the OMR., , Don >, , Write question booklet number and your roll number carefully in the specified locations of the OMR. Also, fill appropriate bubbles., , 7. Write your name (in block letter), name of the examination centre and put your full signature in appropriate, boxes in the OMR., , 8. The OMRs will be processed by electronic means. Hence it is liable to become invalid if there is any mistake, in the question booklet number or roll number entered or if there is any mistake in filling corresponding, bubbles. Also it may become invalid if there is any discrepancy in the name of the candidate, name of the, examination centre or signature of the candidate vis-a-vis what is given in the candidate’s admit card, The, OMR may also become invalid due to folding or putting stray marks on it or any damage to it. The, consequence of such invalidation due to incorrect marking or careless handling by the candidate will be sole, responsibility of candidate., , 9. Rough work must be done on the question paper itself. Additional blank pages are given in the question, paper for rough work., , 10. Hand over the OMR to the invigilator before leaving the Examination Hall., , , , , , — A, JELET-2017/DIP. ENGG.&TECH. Please Turn Over

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3, , JELET-2017, (Question 1-70 for all candidates), MATHEMATICS, , 1. A skew-symmetric determinant of even order is, , (A) zero, (C) nota perfect square, , (B) perfect square, (D) Non zero, , 2. If A be an xn matrix and & be a scalar, then adj(KA) is, , (A) Padj(A), , (C) krtadj(A), , 1., @) pata), , Loa, ©) gradi), , 3. If 4,8,¢ are three unit vectors such that 2+5+¢=0 then ab+be+ca=, , (A) 3, , 3, OF, , 4. i(jnk)4}( kt) +k(x))=, , (A) 0, © -1, , 5. Value of (2) is, &, , ghf-fdg, ” g(g+Ag), , ghfrfdg, © “"-u), , 3, ®) -F, , (D) -3, , (B) 1, (D) 3, , Sdg-s4f, eS a(g+4g), , ghe-faf, © “Ata, , JELET-2017/DIP. ENGG.&TECH.

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4, , 2, d:, 6. The value of Jy Simpson’s Ynie by dividing the interval into two equal part is, 1, , (A) 0°547 (B) 0-796, (C) 0-694 (D) 1-169, , 7. The root of the equation x — 8x— 4 =0 by Newton-Raphson method is, (A) 415 (B) 3:99, (C) 3-05 (D) 9-06, , 1, dx, 8. The value ire by Trapizoidal rule by taking five ordinates is, x, ° é, , (A) 0:793 (B) 0-693, (©) 0593 (D) 0513, , 9. To solve a system of n linear equations with n variables by Gauss Elemination method the total number of, multiplication and division is, , , , n n n, A) 3tF (B), Cc mg? oO x, © Zs ), . 2, 10. Degree and order of the differential equation & = (4) =0is, (A) 4,2 @) 2,4, (C) 4,3 @) 2,2, , 11. Solution of the differential equation (cosy + ycosx)dx + (sinx — xsiny)dy is, (A) xcosy + ysinx =¢ (B) xsiny + ycosx=¢, \(C) xcosy—ysinx =c (D) xsiny- ycosx =c, , JELET-2017/DIP. ENGG.&TECH.

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5, 12. Complementary function of the equation (D? + 4)y = 2x + 3 is, (A) (A + Bxje** @B) Aei*+ Bei?, (C) A coshx + B sinhx (D) A cos2x + B sin2x, , 13. The Particular Integral of Psy =2x+3 is, , 1, (A) 3 (+1) By 54), , ©) 5(2*+3) _ @) 4(2x-3), , 14, tunws(2 ) then ey Oe is, , ox * oy, (A) 0 () 2u, (©) ¥ ©), 15, If F(v? - 2, v?- y’, v?- 2) = 0 where v is a function of x, y, z, then value o: oy SEL is, . noses xdx yay z&, i i, (A) e @) y, 1 1, OF (D) 5, , 16. A coin is tossed 4 times in succession. The probability of getting 2 heads is, , 1 3, (A) 8 @) 8, 5 3, Og (D) 3, 17. The Geomatric mean of the series 1, 2, 4, 8, U6jesssssssscessusssesese , is, (A) 21 ®) F, © 3 @) oF, , JELET-2017/DIP. ENGG.&TECH.