www.Padasalai.Net www.TrbTnpsc.com http://www.trbtnpsc.com/2017/06/latest-11th-study-materials-tamil-medium-english-medium.html 11 th Maths – Study Material XI STD (ENGLISH VERSION ) MARK: 90 TIME : 2.30HRS MATHEMATICS PART –A 20 X 1 =20 1) Matrix A is of order 2 x 3 and B is of order 3 x 2 then order of matrix BA is a) 3 x 3 b) 2 x 3 c) 2 x 2 d) 3 x 2 2) The order of matrix B = [1 2 5 7] is a)1 x 4 b) 4 x 1 c) 2 x 1 d) 1 x 1 3) The solution of = 0 is a) x =1 b) x =2 c)x = 3 d) x =0 4) Given that the value of a third order determinant is 11 then the value of the determinat Formed by the respective co- factors as its elements will be a) 11 b) 121 c) 1331 d) 0 5) Let be the vectors , determined by two adjacent sides of regular hexagon ABCDEF . The vector represented by is a) - b) +c)2d) - 6) A polygon has 44 diagonals then number of its sides is a) 11 b)1 c) 4 d) 8 7) The values of nc0 –nc1+nc2-nc3+……..(-1) n . ncn is a)n b) 0 c) 2 n d) 2 n+1 . 8) When the terms of a G. P are written in reverse order the progression formed is a) A.P. B) G.P. C) H.P. D) A.P AND H.P. 9) is valid for a) -1 < x < 1 b) -1 ≤x≤1 c) all real x d) x>0
4
Embed
Maths Study Material · PDF file11/12/2017 · 11th Maths – Study Material XI STD (ENGLISH VERSION ) MARK: 90 TIME : 2.30HRS MATHEMATICS PART –A
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.