Model Question Paper CET Physics - WIT Solapur

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