1
IIT-JEE 1999
MCQ (Single Correct Answer)
+2
-0.5
If the roots of the equation $${x^2} - 2ax + {a^2} + a - 3 = 0$$ are real and less than 3, then
A
$$a < 2$$
B
$$2 \le a \le 3$$
C
$$3 < a \le 4$$
D
$$a > 4$$
2
IIT-JEE 1998
MCQ (Single Correct Answer)
+2
-0.5
Number of divisor of the form 4$$n$$$$ + 2\left( {n \ge 0} \right)$$ of the integer 240 is
A
4
B
8
C
10
D
3
3
IIT-JEE 1994
MCQ (Single Correct Answer)
+2
-0.5
The number of points of intersection of two curves y = 2 sin x and y $$ = 5{x^2} + 2x + 3$$ is
A
0
B
1
C
2
D
$$\infty $$
4
IIT-JEE 1994
MCQ (Single Correct Answer)
+2
-0.5
If p, q, r are + ve and are on A.P., the roots of quadratic equation $$p{x^2} + qx + r = 0$$ are all real for
A
$$\left| {{r \over p} - 7} \right| \ge 4\sqrt 3 $$
B
$$\left| {{p \over r} - 7} \right| \ge 4\sqrt 3 $$
C
all p and r
D
no p and r
JEE Advanced Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12