CAT 2021 Slot 2 Question Paper

Instructions

For the following questions answer them individually

CAT 2021 Slot 2 - Question 51


Suppose one of the roots of the equation $$ax^{2}-bx+c=0$$ is $$2+\sqrt{3}$$, Where a,b and c are rational numbers and $$a\neq0$$. If $$b=c^{3}$$ then $$\mid a\mid$$ equals.

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CAT 2021 Slot 2 - Question 52


From a container filled with milk, 9 litres of milk are drawn and replaced with water. Next, from the same container, 9 litres are drawn and again replaced with water. If the volumes of milk and water in the container are now in the ratio of 16 : 9, then the capacity of the container, in litres, is

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CAT 2021 Slot 2 - Question 53


If a rhombus has area 12 sq cm and side length 5 cm, then the length, in cm, of its longer diagonal is

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CAT 2021 Slot 2 - Question 54


If $$\log_{2}[3+\log_{3} \left\{4+\log_{4}(x-1) \right\}]-2=0$$ then 4x equals

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CAT 2021 Slot 2 - Question 55


The sides AB and CD of a trapezium ABCD are parallel, with AB being the smaller side. P is the midpoint of CD and ABPD is a parallelogram. If the difference between the areas of the parallelogram ABPD and the triangle BPC is 10 sq cm, then the area, in sq cm, of the trapezium ABCD is

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CAT 2021 Slot 2 - Question 56


For all real values of x, the range of the function $$f(x)=\frac{x^{2}+2x+4}{2x^{2}+4x+9}$$ is:

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CAT 2021 Slot 2 - Question 57


For a sequence of real numbers $$x_{1},x_{2},...x_{n}$$, If $$x_{1}-x_{2}+x_{3}-....+(-1)^{n+1}x_{n}=n^{2}+2n$$ for all natural numbers n, then the sum $$x_{49}+x_{50}$$ equals

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CAT 2021 Slot 2 - Question 58


For a real number x the condition $$\mid3x-20\mid+\mid3x-40\mid=20$$ necessarily holds if

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CAT 2021 Slot 2 - Question 59


Anil can paint a house in 60 days while Bimal can paint it in 84 days. Anil starts painting and after 10 days, Bimal and Charu join him. Together, they complete the painting in 14 more days. If they are paid a total of ₹ 21000 for the job, then the share of Charu, in INR, proportionate to the work done by him, is

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CAT 2021 Slot 2 - Question 60


A box has 450 balls, each either white or black, there being as many metallic white balls as metallic black balls. If 40% of the white balls and 50% of the black balls are metallic, then the number of non-metallic balls in the box is

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