Normal type of MCQ with one correct option
Solution set of the in equation x2 ( 2x (15 is
(( (, 3] ( [5, ()
(( (, ( 5] ( [3, ()
(( (, ( 3] ( [5, ()
None of these
Normal type of MCQ with one correct option
The set of value if ( cor which both the roots of the equation x2 ( (( + 1) x + ( + 4 = 0 are negative is
((3, ( 1)
(( 4,( 3]
[(3, 5]
[(5, 3]
Normal type of MCQ with one correct option
The value of k (k > 0) for which the equations x2 + kx + 64 = 0 and x2 (8x + k = 0 both will have real roots is
8
16
(64
none of these
2 and 16
1 and 3
3 and 9
4 and 12
A
A,D
B
A,B & D
27
30
33
57
nPr
nCr
kPr
kCr
Assertion(Reason
A:Number of rectangle on a chess board is 8C2 ( 8C2 R:To form a rectangle we have to select any two of the horizontal line and any two of the vertical line
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true