Model Question Paper CET Physics - WIT Solapur

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A. [4(51 - n)(50 - n)(49 - n)]/(13.51.50.49) B. 4/(52 - n)C. [48 - (n - 1)]/(52 - n) D. none of the above126. A determinant is chosen at random fromthe set all determinants of order 2 with element0 and only. The probability that the value ofdeterminant chosen is positive, isA. 11/18 B. 11/14 C. 13/16 D. 3/16127. The value of theintegral| 1 - x | dx equalsA. 1 B. 2 C. 4 D. 0128. The domain of the function f(x) =sin -1 log 2 (x 2 /2) isA. [-2, 2] ≈ {0} B. [-1, 1] ≈ {0} C. [-2, 2] D. [-1, 1]129. Lt (1 - x) [(tanπx)/2] equalsx → 0A. π/2 B. 2/π C. π - 2 D. π + 2130. The function f(x) = | x |/x; x ≠ 0 and f(x) = 1; x = 0 is discontinuousatA. x = 0 B. x = 1 C. x = 2 D. x = -2131. If x = a (t - sint), y = a (t - cost), then d 2 y/dx 2 is equal toA. (1/4a)(cosec 2 t/2) B. (1/4a)(cosec 3 t/2) C. - [(1/4a)(cosec 2 t/3)] D. - [(1/4a)(cosec 4 t/2)]132. If x, y, and z are arithmetic, geometric, and harmonic means respectively of two distinctposition numbers, thenA. z < y < x B. x < y < z C. x < z < y D. x > z > y133. All the solutions of the equation 16xy + x 2 + y 2 - 8x - 8y - 20 = 0 representsA. a straight line B. pair of straight lines C. a circle D. a parabola134. The solution set of an inequality 5 - 15y > 125, y ∈ R isA. { y | y ∈ R } B. { y | y > 6 } C. { y | y < -8 } D. { y | y ∈ 8 & y ∈ 9 }135. Unit vector in the xy-plane that makes an angle of 45 o with the vector i + j and an angle of60 o with the vector 3i - 4j isA. i B. 2i C. √2i D. none of the above136. Given the line (x + 3)/2 = (y - 4)/3 = (z + 5)/2 and the plane 4x - 2y
- z = 1,then the line isA. perpendicular to theplaneC. inclined with 45 o tothe planeB. inclined with 60 o tothe planeD. parallel to the planeLt [x sinx + log (1 - x) x ]/x 3137.equalsx → 0A. 1/2 B. - 1/2 C. 1/4 D. - 1/4138. Four numbers are such that the first three are in A.P., while the last three are in G.P. Thefirst number is 6 and common ratio of G.P. is 1/2, then the numbers areA. 2, 4, 6, 8 B. 6, 4, 2, 1 C. 6, 4, 3, 2 D. 6, 9, 3, 1139. If the arithmetic and geometric mean of two distinct positive numbers are A and Grespectively, then their harmonic mean isA. A/√G B. A/G 2 C. G 2 /A D. √A/G140. The area bounded by the straight lines y = 1, x + y = 2, and x - y = 2 isA. 11 B. 11/2 C. 1/2 D. 2/11141. The value of 5 2 log 25 5 isA. 4 B. 5 C. 6 D. 8142. If the angle of intersection between the curves y = x 2 and y 2 = 4x, then the point ofintersection isA. (0, 0) B. (0, 1) C. (1, 0) D. (1, 1)143. The pair of points which lie on the same side of the straight line 3x - 8y = 7 isA. (-4, -3), (1, 1) B. (0, 1), (3, 0) C. (-1, -1), (3, -7) D. (-1, -1), (3, 7)144. The equation x 2 - 8x + 16 = 0 hasA. coincident root B. imaginary root C. unequal root D. none of the above145. If b = 3, c = 4 and B = π/4, then the number of triangles that can be formed isA. 1 B. 2 C. 3 D. none of the above146. Lim (tan mθ)/m equalsθ → 0A. θ B. - θ C. θ 2 D. 0147. The range of the function f(x)[1 - x] - 1 = 0 isA. a set of irrationalnumbersB. a set of rationalnumbers
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RAJASTHAN P.E.T.PHYSICS-19971. In B
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Chemistry
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Model Question Paper CET Physics - WIT Solapur

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