1
IIT-JEE 1982
MCQ (Single Correct Answer)
+2
-0.5
If p, q, r are any real numbers, then
A
max (p, q) < max (p, q, r )
B
min (p, q) = $${1 \over 2}\left( {p + q - \left| {p - q} \right|} \right)$$
C
max (p, q) < min (p, q, r)
D
none of these
2
IIT-JEE 1982
MCQ (Single Correct Answer)
+2
-0.5
The largest interval for which $${x^{12}} - {x^9} + {x^4} - x + 1 > 0$$ is
A
$$ - 4 < x \le 0$$
B
$$\,0 < x < 1$$
C
$$ - 100 < x < 100$$
D
$$ - \infty < x < \infty $$
3
IIT-JEE 1980
MCQ (Single Correct Answer)
+2
-0.5
Both the roots of the equation (x - b) (x - c) + (x - a) (x - c) + (x - a) (x - b) = 0 are always
A
positive
B
real
C
negative
D
none of these.
4
IIT-JEE 1980
MCQ (Single Correct Answer)
+2
-0.5
The least value of the expression $$2\,\,{\log _{10}}\,x\, - \,{\log _x}(0.01)$$ for x > 1, is
A
10
B
2
C
- 0.01
D
none of these.
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