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Recent questions tagged system-of-equation
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NIELIT 2019 Feb Scientist D - Section D: 25
In the following system of equations $2^{y-x} \left(x+y \right)=1$ & $\left(x+y \right)^{x-y}=2$ the value of $xy$ is : $\frac{1}{2}$ $\frac{3}{4}$ $\frac{1}{4}$ $1$
In the following system of equations $2^{y-x} \left(x+y \right)=1$ & $\left(x+y \right)^{x-y}=2$ the value of $xy$ is :$\frac{1}{2}$$\frac{3}{4}$$\frac{1}{4}$$1$
Lakshman Bhaiya
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points
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Lakshman Bhaiya
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Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
system-of-equation
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0
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1
answer
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NIELIT 2019 Feb Scientist C - Section D: 2
Determine $a+b$ such that the following system of equations: $2x-(a-4)y=2b+1 \text{ and }4x-(a-1)y=5b-1$ infinite solutions. $11$ $9$ $10$ $8$
Determine $a+b$ such that the following system of equations:$2x-(a-4)y=2b+1 \text{ and }4x-(a-1)y=5b-1$ infinite solutions.$11$$9$$10$$8$
Lakshman Bhaiya
13.7k
points
662
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Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
system-of-equation
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0
votes
1
answer
3
NIELIT 2017 DEC Scientific Assistant A - Section A: 38
The equation $ax-(a+b)y=1$ and $(a-b)x+ay=5$ have a unique solution: for all values of $a$ and $b$ only when $a=b$ only when $a^{2}:b^{2}=1:2$ only when $a=0$ and $b=0$
The equation $ax-(a+b)y=1$ and $(a-b)x+ay=5$ have a unique solution:for all values of $a$ and $b$only when $a=b$only when $a^{2}:b^{2}=1:2$only when $a=0$ and $b=0$
Lakshman Bhaiya
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Lakshman Bhaiya
asked
Mar 31, 2020
Quantitative Aptitude
nielit2017dec-assistanta
numerical-ability
system-of-equation
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0
votes
2
answers
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NIELIT 2017 DEC Scientist B - Section A: 51
For what values of $‘k’$ will the pair of equations $3x + 4y =12$ and $kx + 12y = 30$ $NOT$ have a unique solution ? $9$ $12$ $3$ $7.5$
For what values of $‘k’$ will the pair of equations $3x + 4y =12$ and $kx + 12y = 30$ $NOT$ have a unique solution ?$9$$12$$3$$7.5$
Lakshman Bhaiya
13.7k
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1.1k
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Lakshman Bhaiya
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Mar 30, 2020
Quantitative Aptitude
nielit2017dec-scientistb
system-of-equation
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