Recent questions tagged algebra

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NIELIT 2016 MAR Scientist D: 71
A certain number when added to $50\%$ of itself is $27$. What is the number? $7$ $9$ $11$ $18$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2016 MAR Scientist D: 70
Twelve less than $4$ times a number is $20$. What is the number? $2$ $4$ $6$ $8$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2016 MAR Scientist D: 69
The sum of a number and its double is $69$. What is the number? $46.6$ $34.5$ $23$ $20$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist D - Section D: 3
A school has $378$ girls and $675$ boys. All the students divided into strictly boys and strictly girls students sections. All the sections in the school has same number of students. What is the number of sections in the school? $27$ $36$ $39$ $23$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist D - Section D: 26
A dog at point $A$ goes in pursuit of a fox $30$ $m$ away. The dog makes $2$ $m$ and the fox, $1$ m long leaps. If the dog makes two leaps to the fox’s three, at what distance from $A$ will the dog catch up with the fox ? $100$ $m$ $110$ $m$ $105$ $m$ $120$ $m$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist D - Section D: 27
If $5$ spiders can catch $5$ files in $5$ minutes. How many files can $100$ spiders catch in $100$ minutes : $100$ $1000$ $500$ $2000$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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7

NIELIT 2016 MAR Scientist C - Section A: 12
The expression $(11.98\times 11.98 + 11.98 \times x +0.02 \times 0.02)$ will be a perfect square for $x$ equal to: $2.02$ $0.17$ $0.04$ $1.4$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 2, 2020

by Lakshman Patel RJIT

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NIELIT 2016 MAR Scientist C - Section A: 15
The value of $\large\frac{(0.96)^3-(0.1)^3}{(0.96)^2+0.096+(0.1)^2}$ is : $0.86$ $0.95$ $0.97$ $1.06$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 2, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist C - Section D: 15
The simplified form of $\left[ \left ( \left( \dfrac{a+1}{a-1}\right)^2+3 \right)\div \left( \left( \dfrac{a+1}{a-1}\right)^2+3\right) \right] \div \left [\left( \dfrac{a^{3}+1}{a^{3}-1}\right)-\dfrac{2a}{a-1} \right]$ is: $a-1$ $1-a$ $-1$ $1$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist C - Section D: 23
$₹6500/-$ were divided among a certain number of persons. If there had been $15$ more persons, each would have got $₹30/-$ less. Find the original number of persons. $50$ $60$ $45$ $55$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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11

NIELIT 2019 Feb Scientist C - Section D: 30
A charitable trust donates $28$ different books of Maths, $16$ different books of science and $12$ different books of social science to poor students. Each student is given maximum number of books of only one subject of their interest and each student got equal number of books. Find the total number of students who got books. $14$ $10$ $12$ $15$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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12

NIELIT 2019 Feb Scientist C - Section C: 3
The factors of $(x^{2}+4y^{2}+4y-4xy-2x-8)$ are: $(x-2y-4)(x-2y+2)$ $(x-y+2)(x-4y-4)$ $(x+2y-4)(x+2y+2)$ None of these

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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13

NIELIT 2019 Feb Scientist C - Section C: 19
If $a^{x}=b, b^{y}=c$ and $c^{z}=a$, then $xyz$ equals: $abc$ $\dfrac{1}{abc}$ $1$ None

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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14

CAT 2010-8
Consider the following statements: If $a^{x}=b,b^{y}=c,c^{z}=a,$ then $xyz=1$ If $p=a^{x},q=a^{y},\left ( p^{y}q^{y} \right )^{z}=a^{2},$ then $xyz=1$ If $x^{a}=y^{b}=z^{c}$ and $ab+bc+ca=0$ then $xyz=1$ Of these statements: I and II are correct II and III are correct Only I is correct All I, II and III are correct

Arjun asked in Quantitative Aptitude Mar 1, 2020

by Arjun

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