Question

9 tan2 q – 9 sec2 q = ____.

(A) 9 (B) 0

(C) –1 (D) –9

(2) ______ is true for the solution of equations

4

3

x + 2y = 8 and 2x + 3y = 12

(A) Infinitety many solutions (B) No solution

(C) Unique solution (D) Two solutions

(3) If Sn

= 2n2

+ 3n, then d = ______.

(A) 13 (B) 4

(C) 9 (D) 0

(4) Which measure of sides given below determine right angle triangle.

(A) 50, 80, 100 (B) 3, 8, 5

(C) 7, 24, 25 (D) 3, 3, 3

(5) One of the root of quadratic equation kx2

– 7x + 3 = 0 is 3 then k = ____.

(A) –2 (B) 3

(C) – 3 (D) 2

(6) In DABC, ÐB = 90º and AB = BC then AB : AC = _____.

(A) 1 : 3 (B) 1 : 2

(C) 1 : Ö¯2 (D) Ö¯2 : 1

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Answer 1

Answer:

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