0 votes
0 answers
5163
In the diagram given below, $\measuredangle \text{ABD} = \measuredangle \text{CDB} = \measuredangle \text{PQD} = 90^{\circ}$. If $\text{AB : CD} = 3:1,$ the ratio of $\t...
0 votes
0 answers
5164
How many three digit positive integers, with digits $x, y$ and $z$ in the hundred's, ten's and unit's place respectively, exist such that $x < y, z < y$ and $x \neq 0?$$2...
0 votes
0 answers
5169
Let $p$ and $q$ be the roots of the quadratic equation $x^2 - (a-2) x-a -1 =0.$ What is the minimum possible value of $p^2 + q^2?$$0$$3$$4$$5$
1 votes
1 answer
5170
The $288$-th term of the series $a,b,b,c,c,c,d,d,d,d,e,e,e,e,e,f,f,f,f,f,f, \dots$ is$u$$v$$w$$x$
0 votes
0 answers
5176
How many even integers $n,$ where $100 \leq n \leq 200$, are divisible neither by $7$ nor by $9?$$40$$37$$39$$38$
0 votes
0 answers
5177
The function $f(x) = |x-2| + |2.5-x| + |3.6-x|$, where $x$ is a real number, attains a minimum at$x=2.3$$x=2.5$$x=2.7$None of these
0 votes
0 answers
5178
Let $g(x) = \max(5-x, \: x+2)$. The smallest possible value of $g(x)$ is$4.0$$4.5$$1.5$None of these
0 votes
2 answers
5182
0 votes
0 answers
5186
When the curves, $y=\log_{10} x$ and $y=x^{-1}$ are drawn in the $x-y$ plane, how many times do they intersect for values $x \geq 1?$NeverOnceTwiceMore than twice
0 votes
2 answers
5187
The number of non-negative real roots of $2^x - x - 1 =0$ equals _______$0$$1$$2$$3$