3803 total views , 9 views today
Q). If
Q). The graph of y + x2 = 0 lies in the quadrants
A) Q1,Q2
B) Q2,Q3
C) Q3,Q4
D) Q4,Q1
Q). Solution of the equations √2x + √3y = 0 and √3x – √8y = 0 is ………………………
A) x = 1, y = 0
B) x = 0;y=l
C) x=1,y=1
D) x = 0, y = 0
Q). If 2X + 3y = 17 and 2X + 2 – 3y + 1 = 5, then y = …………………….
A) 2
B) 3
C) 1
D) 7
Q). x + y = 2015 has ….. number of solutions.
A) 10
B) 2014
C) 20
D) infinite
Q). The condition for a x2 + bx + c = 0 to be a quadratic equation is
A) a, b, c ∈R
B) a=0,c ≠0
C) a ≠0
D) a=0,b ≠0
Q). The difference between two consecutive positive integers is
A) 2
B) 3
C) 1
D) 4
Q). If α,β are the roots of ax2 + bx + c = 0, then 1/α + 1/β =
A) –b/c
B) b/c
C) c/b
D) –c/b
Q). If 65 diagonals are drawn to a polygon of ‘n’ sides, then what is the value of ‘n’?
A) 10
B) 20
C) 13
D) None
Q). Find the 10th term in A.P. 5, 1, -3, -7,…………….
A) -31
B) 31
C) 41
D) 71