REVIEW TEST- 6 PAPER CODE : B INSTRUCTIONS 1. The question paper contains 45 questions and 15 pages. Each question carry 5 marks and all of them are compulsory. There is NEGATIVE marking. 1 mark will be deducted for each wrong answer. Please ensure that the Question Paper you have received contains all the QUESTIONS and Pages. If you found some mistake like missing questions or pages then contact immediately to the Invigilator. 2. Indicate the correct answer(s) for each question by filling appropriate bubble(s) in your OMR sheet. 3. Use only HB pencil for darkening the bubble(s). 4. Use of Calculator, Log Table, Slide Rule and Mobile is not allowed. 5. For example if only 'B' choice is correct then, the correct method for filling the bubble is A B C D For example if only 'B & D' choices are correct then, the correct method for filling the bubbles is A B C D The answer of the question in any other manner (such as putting , cross , or partial shading etc.) will be treated as wrong. USEFUL DATA Atomic Mass: Al = 27, Mg = 24, Cu = 63.5, Mn = 55, Cl = 35.5, O = 16, H = 1, P = 31, Ag = 108, N = 14, Li = 7, I = 127, Cr = 52, K=39, S = 32, Na = 23, C = 12, Br = 80, Fe = 56, Ca = 40, Zn = 65.4, Ba = 137, Co = 59, Hg = 200, Pb = 207, He = 4, F=19. Radius of nucleus =10–14 m; h = 6.626 ×10–34 Js; me = 9.1 ×10–31 kg, R = 109637 cm–1. Select the correct alternative(s). (One or More than one is/are correct) [45 × 5 = 225] There is NEGATIVE marking. 1 mark will be deducted for each wrong answer. Q.1 The right hand derivative of f (x – 1) = 2x2 – 3x + 1 at x = k where k I, is (A) 4k + 1 (B) 2k + 1 (C) 2k – 1 (D) 4k – 3 5sin3 x cosx Q.2 Which of the following numbers is the maximum value of the function f (x) = (A) 5/8 (B) 3/4 (C) 1 (D) 5/2 tan2 x 1 , x R? Q.3 The equation x3 – 5 3 x = – 4 3 is satisfied by 8 7 17 23 (A) x = cos 18 (B) x = cos 18 (C) x = cos 18 (D) x = cos 18 Q.4 The number 916238457 is an example of nine digit number which contains each of the digit 1 to 9 exactly once. It also has the property that the digit 1 to 5 occur in their natural order, while the digit 1 to 6 do not. Number of such numbers are (A) 2268 (B) 2520 (C) 2975 (D) 1560 v(u z) Q.5 Let u, v, w, z be complex numbers such that | u | < 1, | v | = 1 and w = u z 1 , then (A) | w | 1 | z | 1 (B) | w | 1 | z | 1 (C) | w | 1 | z | 1 (D) | w | 1 | z | 1 x Q.6 A function f (x) satisfies f (x) = sin x + f '(t) (2 sin t – sin2t) dt then f (x) is 0 (A) x 1 sin x (B) sin x 1 sin x (C) 1 cos x cos x (D) tan x 1 sin x ROUGHWORK Q.7 If A and B are different matrices satisfying A3 = B3 and A2B = B2A, then (A) det (A2 + B2) must be zero. (B) det (A – B) must be zero. (C) det (A2 + B2) as well as det (A – B) must be zero. (D) At least one of det (A2 + B2) or det (A – B) must be