Model Question Paper CET Physics - WIT Solapur

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2 4 8 16(1) 2n-2+2 n (2) 1-n + 2 n (3) n 2 -n (4) n – 1 + 2-n73. If 10 points lie on a plane out of which 5 are on a st-line, then total number of trianglesformed by them are :(1) 120 (2) 110 (3) 150 (4) 10074. If (1+x) n = C 0 + C 1 x + C 2 x 2 + ….+ C n x n then value of C 0 + C 1 + C 2 +….+2 3 4C n is :n + 2(1) 2 n + 1 (2) n2 n+1 _____(n+1) (n+2)(n+1) (n+2)(3) n2 n+1 (4) n2 n+1 _____(n+1) (n+2)(n+1) (n+2)75. The square roots of 1 + 2x + 3x 2 + 4x 3 + … is :(1) (1-x) -1 (2) (1+x) (3) 1+x) (1-x)76. If (1+x) n = C 0 + C 1 x + C 2 x 2 +…..then C 0 + C 1 + C 2 + ….:2 3(1) 2 n+1 + 1 (2) 2 n-1n + 1 n - 1(3) 2 n+1 + 1 (4) 2 n+1n + 1 n + 177. 2 ac - b 2 a 2 c 2ac 2 2 ab - c 2 b 2c 2 b 2 2 b c - a 2(1) (a 3 + b 3 + c 3 – 3abc) 2(2) (a 2 + b 2 + c 2 ) 3(3) (ab + bc + ca) 3(4) (a + b + c) 678. If for any two square materscies A and B, AB= A, BA= B than A 2 :(1) B 2 (2) adj A (3) B (4) A79. 1 3 6If A 3 5 1 then adj. A is :5 1 3
(1) 14 4 - 224 -22 1422 -14 4(2) 14 4 - 224 -22 14-22 14 4(3) - 14 4 224 22 -1422 - 14 4(4) 14 - 4 - 22- 4 -2 2 14-22 14 - 480. The A.M. of any two numbers is 16 and their H.M. = 63 then their G.M. will be :4(1) √3 (2) 6 √3 (3) √7 (4) 6 √781. The sum of n terms of 1.2.3 + 2.3.4 will be :(1) n ( n + 1 ) ( n + 2 ) ( n + 3 )4(2) 2n ( n + 1 ) ( n + 2 ) ( n + 3 )3(3) ( n + ) ( n + 2 ) ( n + 3 )4(4) n ( n – 1 ) ( n – 2 ) ( n – 3 )482.Out of 14 players there are 5 bowlers. Then the total number of ways of selecting a team of 11players of which at least 4 are bowlers are :(1) 275 (2) 264 (3) 263 (4) 26583. If ( 1 + x) n = C 0 + c 1 x + C 2 x 2 + ….+ C n x n then the value of C 1 + 2C 2 + 3C 3 + 4C 4 + ….+ nC nwill be :(1) 2 n-1 (2) n . 2 n-1 (3) 2 n (4) 084. If the coefficients of the second third and fourth terms in the expansion of ( 1 + x) 2n are inA.P. then 2n 2 – 9n is :
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