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1

### IIT-JEE 2000 Screening

If a, b, c, d are positive real numbers such that a + b + c + d = 2, then M = (a + b) (c + d) satisfies the relation
A
$$0 \le M \le 1$$
B
$$1 \le M \le 2$$
C
$$2 \le M \le 3$$
D
$$3 \le M \le 4$$
2

### IIT-JEE 1999

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
$$a > 4$$
3

### IIT-JEE 1998

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
4

### IIT-JEE 1994

Let $$p,q \in \left\{ {1,2,3,4} \right\}\,$$. The number of equations of the form $$p{x^2} + qx + 1 = 0$$ having real roots is
A
15
B
9
C
7
D
8

### Joint Entrance Examination

JEE Main JEE Advanced WB JEE

### Graduate Aptitude Test in Engineering

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NEET

Class 12