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1682
CAT 2002 | Question: 53
For three integers $x, y$ and $z, x+y+z=15,$ and $xy+yz+xz=3.$ What is the largest value which $x$ can take? $3 \sqrt{13}$ $\sqrt{19}$ $13 /3$ $\sqrt{15}$
For three integers $x, y$ and $z, x+y+z=15,$ and $xy+yz+xz=3.$ What is the largest value which $x$ can take?$3 \sqrt{13}$$\sqrt{19}$$13 /3$$\sqrt{15}$
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3 answers
1684
CAT 2002 | Question: 51
On dividing a number by $3, 4,$ and $7,$ the remainders are $2, 1,$ and $4$ respectively. If the same number is divided by $84$ then the remainder is $80$ $76$ $53$ None of these
On dividing a number by $3, 4,$ and $7,$ the remainders are $2, 1,$ and $4$ respectively. If the same number is divided by $84$ then the remainder is$80$$76$$53$None of t...
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1685
CAT 2003 | Question: 1-150
Let T be the set of integers $\{3, 11, 19,27, \dots ,451, 459, 467\}$ and S be a subset of T such that the sum of no two elements of S is $470.$ The maximum possible number of elements in S is $32$ $28$ $29$ $30$
Let T be the set of integers $\{3, 11, 19,27, \dots ,451, 459, 467\}$ and S be a subset of T such that the sum of no two elements of S is $470.$ The maximum possible numb...
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1686
CAT 2003 | Question: 1-149
The number of positive integers $n$ in the range $12 \leq n \leq 40$ such that the product $(n-1)(n-2) \dots 3 \cdot 2 \cdot 1$ is not divisible by $n$ is $5$ $7$ $13$ $14$
The number of positive integers $n$ in the range $12 \leq n \leq 40$ such that the product $(n-1)(n-2) \dots 3 \cdot 2 \cdot 1$ is not divisible by $n$ is$5$$7$$13$$14$
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1688
CAT 2003 | Question: 1-147
if $x,y,z$ are distinct positive real numbers then $\frac{x^2(y+z) + y^2(x+z) + z^2(x+y)}{xyz}$ would be greater than $4$ greater than $5$ greater than $6$ None of these
if $x,y,z$ are distinct positive real numbers then $\frac{x^2(y+z) + y^2(x+z) + z^2(x+y)}{xyz}$ would begreater than $4$greater than $5$greater than $6$None of these
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1689
CAT 2003 | Question: 1-146
In a certain examination paper, there are n questions. For $j=1, 2, \dots,n,$ there are $2^{n-i}$ students who answered $j$ or more questions wrongly. If the total number of wrong answer is $4095,$ then the value of $n$ is $12$ $11$ $10$ $9$
In a certain examination paper, there are n questions. For $j=1, 2, \dots,n,$ there are $2^{n-i}$ students who answered $j$ or more questions wrongly. If the total number...
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1690
CAT 2003 | Question: 1-145
Consider the following two curves in the $x-y$ plane $y=x^3 + x^2 +5$ $y=x^2 + x + 5$ Which of the following statements is true for $-2 \leq z \leq 2$? The two curves intersect once The two curves intersect twice The two curves do not intersect The two curves intersect thrice
Consider the following two curves in the $x-y$ plane $y=x^3 + x^2 +5$$y=x^2 + x + 5$Which of the following statements is true for $-2 \leq z \leq 2$?The two curves inters...
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1692
CAT 2003 | Question: 1-143
Given that $-1 \leq v \leq 1, -2 \leq u \leq -0.5 \text{ and } -2 \leq z \leq -0.5 \text{ and } w=\frac{vz}{u}$ then which of the following is necessarily true? $-0.5 \leq w \leq 2$ $-4 \leq w \leq 4$ $-4 \leq w \leq 2$ $-2 \leq w \leq -0.5$
Given that $-1 \leq v \leq 1, -2 \leq u \leq -0.5 \text{ and } -2 \leq z \leq -0.5 \text{ and } w=\frac{vz}{u}$ then which of the following is necessarily true?$-0.5 \leq...
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1695
CAT 2003 | Question: 1-140
if $\log_3\left(2^x - 5\right), \: \log_3\left(2^x - \frac{7}{2}\right)$ are in arithmetic progression, then the value of $x$ is equal to $5$ $4$ $2$ $3$
if $\log_3\left(2^x - 5\right), \: \log_3\left(2^x - \frac{7}{2}\right)$ are in arithmetic progression, then the value of $x$ is equal to$5$$4$$2$$3$
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0 answers
1696
CAT 2003 | Question: 1-139
If the product of $n$ positive real numbers is unity, then their sum is necessarily a multiple of $n$ equal to $n+\left(\frac{1}{n}\right)$ never less than $n$ a positive integer
If the product of $n$ positive real numbers is unity, then their sum is necessarily a multiple of $n$equal to $n+\left(\frac{1}{n}\right)$never less than $n$a positive in...
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1697
CAT 2003 | Question: 1-138
There are $8436$ steel balls, each with a radius of $1$ centimeter, stacked in a pile, with $1$ ball on top, $3$ balls in second layer, $6$ in the third layer, $10$ in the fourth, and so on. The number of horizontal layers in the pile is $34$ $38$ $36$ $32$
There are $8436$ steel balls, each with a radius of $1$ centimeter, stacked in a pile, with $1$ ball on top, $3$ balls in second layer, $6$ in the third layer, $10$ in th...
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1700
CAT 2003 | Question: 1-137
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 $\text{CD : PQ}$ is $1:0.69$ $1:0.75$ $1:0.72$ None of these
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...
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1701
CAT 2003 | Question: 1-134
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 $x \neq 0?$ $245$ $285$ $240$ $320$
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?$$2...
0 votes
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1706
CAT 2003 | Question: 1-129
Let $p$ and $q$ be the roots of the quadratic equation $x^2 - (a-2) x-a -1 =0.$ What is the minimum possible value of $p^2 + q^2?$ $0$ $3$ $4$ $5$
Let $p$ and $q$ be the roots of the quadratic equation $x^2 - (a-2) x-a -1 =0.$ What is the minimum possible value of $p^2 + q^2?$$0$$3$$4$$5$
1 votes
1 answer
1707
CAT 2003 | Question: 1-128
The $288$-th term of the series $a,b,b,c,c,c,d,d,d,d,e,e,e,e,e,f,f,f,f,f,f, \dots$ is $u$ $v$ $w$ $x$
The $288$-th term of the series $a,b,b,c,c,c,d,d,d,d,e,e,e,e,e,f,f,f,f,f,f, \dots$ is$u$$v$$w$$x$
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0 answers
1713
CAT 2003 | Question: 1-118
How many even integers $n,$ where $100 \leq n \leq 200$, are divisible neither by $7$ nor by $9?$ $40$ $37$ $39$ $38$
How many even integers $n,$ where $100 \leq n \leq 200$, are divisible neither by $7$ nor by $9?$$40$$37$$39$$38$
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1714
CAT 2003 | Question: 1-117
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
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
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1715
CAT 2003 | Question: 1-116
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
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
1719
CAT 2003 | Question: 1-110
The sum of $3$-rd and $15$-th elements of an arithmetic progression is equal to the sum of $6$-th, $11$-th and $13$-th elements of the same progression. Then which element of the series should necessarily be equal to zero? $1$-st $9$-th $12$-th None of these
The sum of $3$-rd and $15$-th elements of an arithmetic progression is equal to the sum of $6$-th, $11$-th and $13$-th elements of the same progression. Then which elemen...
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