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Recent questions tagged algebra
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GATE Mechanical 2018 Set 1 | GA Question: 7
Given that $a$ and $b$ are integers and $a+a^2 b^3$ is odd, which of the following statements is correct? $a$ and $b$ are both odd $a$ and $b$ are both even $a$ is even and $b$ is odd $a$ is odd and $b$ is even
Given that $a$ and $b$ are integers and $a+a^2 b^3$ is odd, which of the following statements is correct?$a$ and $b$ are both odd$a$ and $b$ are both even$a$ is even and ...
Arjun
28.5k
points
Arjun
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Feb 17, 2018
Quantitative Aptitude
gateme-2018-set1
numerical-ability
algebra
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0
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0
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GATE Mechanical 2017 Set 2 | GA Question: 3
If $a$ and $b$ are integers and $a-b$ is even, which of the following must always be even? $ab$ $a^{2}+b^{2}+1$ $a^{2}+b+1$ $ab-b$
If $a$ and $b$ are integers and $a-b$ is even, which of the following must always be even?$ab$$a^{2}+b^{2}+1$$a^{2}+b+1$$ab-b$
Arjun
28.5k
points
Arjun
asked
Feb 26, 2017
Quantitative Aptitude
gateme-2017-set2
numerical-ability
algebra
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–
0
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0
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GATE Mechanical 2016 Set 2 | GA Question: 9
The binary operation $\square $ is defined as $a \square b = ab+(a+b)$, where $a$ and $b$ are any two real numbers. The value of the identity element of this operation, defined as the number $x$ such that $a \square x = a$, for any $a$, is $0$ $1$ $2$ $10$.
The binary operation $\square $ is defined as $a \square b = ab+(a+b)$, where $a$ and $b$ are any two real numbers. The value of the identity element of this operation, ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Quantitative Aptitude
gateme-2016-set2
numerical-ability
algebra
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–
0
answers
0
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GATE Mechanical 2016 Set 1 | GA Question: 9
If $q^{-a}=\displaystyle{\frac{1}{r}}$ and $r^{-b}=\displaystyle{\frac{1}{s}}$ and $s^{-c}=\displaystyle{\frac{1}{q}}$, the value of $abc$ is $(rqs)^{-1}$ $0$ $1$ $r+q+s$
If $q^{-a}=\displaystyle{\frac{1}{r}}$ and $r^{-b}=\displaystyle{\frac{1}{s}}$ and $s^{-c}=\displaystyle{\frac{1}{q}}$, the value of $abc$ is$(rqs)^{-1}$$0$$1$$r+q+s$
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Quantitative Aptitude
gateme-2016-set1
numerical-ability
algebra
+
–
0
answers
0
votes
GATE Mechanical 2015 Set 1 | GA Question: 9
if $a^2+b^2+c^2=1$ then $ab+bc+ac$ lies in the interval $[1,2/3]$ $[-1/2,1]$ $[-1,1/2]$ $[2,-4]$
if $a^2+b^2+c^2=1$ then $ab+bc+ac$ lies in the interval$[1,2/3]$$[-1/2,1]$$[-1,1/2]$$[2,-4]$
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Quantitative Aptitude
gateme-2015-set1
numerical-ability
algebra
+
–
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