1
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that the odd digits occupy even positions?
A
16
B
36
C
60
D
180
2
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
Consider an infinite geometric series with first term a and common ratio $$r$$. If its sum is 4 and the second term is 3/4, then
A
$$a = {4 \over 7},r = {3 \over 7}\,\,\,\,$$
B
$$a = 2,\,r = {3 \over 8}$$
C
$$a = {3 \over 2},r = {1 \over 2}$$
D
$$a = 3,\,r = {1 \over 4}$$
3
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+3
-0.75
Let $$PS$$ be the median of the triangle with vertices $$P(2, 2),$$ $$Q(6, -1)$$ and $$R(7, 3).$$ The equation of the line passing through $$(1, -1)$$ and parallel to $$PS$$ is
A
$$2x - 9y - 7 = 0$$
B
$$2x - 9y - 11 = 0$$
C
$$2x + 9y - 11 = 0$$
D
$$2x + 9y + 7 = 0$$
4
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
Let $$f\left( \theta \right) = \sin \theta \left( {\sin \theta + \sin 3\theta } \right)$$. Then $$f\left( \theta \right)$$ is
A
$$ \ge 0\,\,$$ only when $$\theta \ge 0$$
B
$$ \le 0$$ for all real $$\theta $$
C
$$ \ge 0$$ for all real $$\theta $$
D
$$ \le 0$$ only when $$\theta \le 0$$
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