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NIELIT 2019 Feb Scientist D - Section D: 6
If $a^{2}+b^{2}+c^{2}=1$, then which of the following can't be the value of $ab+bc+ca$ ? $0$ $\frac{1}{2}$ $\frac{-1}{4}$ $-1$
Lakshman Bhaiya
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Quantitative Aptitude
Apr 3, 2020
by
Lakshman Bhaiya
13.6k
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nielit2019feb-scientistd
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0
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1
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NIELIT 2019 Feb Scientist C - Section D: 18
If $8v-3u=5uv \: \: \& \: \: 6v-5u=-2uv$ then $31u+46v$ is: $44$ $42$ $33$ $55$
Lakshman Bhaiya
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in
Quantitative Aptitude
Apr 1, 2020
by
Lakshman Bhaiya
13.6k
points
320
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nielit2019feb-scientistc
quantitative-aptitude
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1
vote
1
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3
NIELIT 2019 Feb Scientist C - Section D: 19
If $x=\dfrac{\sqrt{10}+\sqrt{2}}{2}, \: \: y=\dfrac{\sqrt{10}-\sqrt{2}}{2}$ then the value of $\log _{2}(x^{2}+xy+y^{2})$ is: $0$ $1$ $2$ $3$
Lakshman Bhaiya
asked
in
Quantitative Aptitude
Apr 1, 2020
by
Lakshman Bhaiya
13.6k
points
684
views
nielit2019feb-scientistc
quantitative-aptitude
equations
0
votes
0
answers
4
NIELIT 2019 Feb Scientist C - Section D: 25
If $x+y+z=2, \:\: xy+yz+zx=-1$ then the value of $x^{3}+y^{3}+z^{3}$ is: $20$ $16$ $8$ $0$
Lakshman Bhaiya
asked
in
Quantitative Aptitude
Apr 1, 2020
by
Lakshman Bhaiya
13.6k
points
412
views
nielit2019feb-scientistc
quantitative-aptitude
equations
1
vote
1
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5
CAT 1995 | Question: 67
Refer to the following data: le(x, y) = Least of(x, y) mo(x) = |x| me(x, y) = maximum of (x, y) For what values of $a$ is $le(a^{2} – 3a, a – 3) < 0$? $a>3$ $0<a<3$ $a < 0$ Both $B$ and $C$
makhdoom ghaya
asked
in
Quantitative Aptitude
Aug 29, 2017
by
makhdoom ghaya
8.0k
points
394
views
cat1995
quantitative-aptitude
equations
multiple-sub-parts
1
vote
1
answer
6
CAT 1995 | Question: 66
Refer to the following data: le(x, y) = Least of(x, y) mo(x) = |x| me(x, y) = maximum of(x, y) For what values of a is $me(a^{2} – 3a, a – 3) < 0$? $a >3$ $0 < a < 3$ $a < 0$ $a =3$
makhdoom ghaya
asked
in
Quantitative Aptitude
Aug 29, 2017
by
makhdoom ghaya
8.0k
points
349
views
cat1995
quantitative-aptitude
equations
multiple-sub-parts
1
vote
0
answers
7
CAT 1995 | Question: 65
Refer to the following data: le(x, y) = | least of(x, y) mo(x) = |x| me(x) (x, y) = maximum of(x, y) Which of the following must be correct? mo(le(a, b)$^{3}$ (me(mo(a), mo(b)) mo(le(a, b)) > (me(mo(a), mo(b)) mo(le(a, b)) < (le(mo(a), mo(b)) mo(le(a, b)) le(mo(a), mo(b))
makhdoom ghaya
asked
in
Quantitative Aptitude
Aug 29, 2017
by
makhdoom ghaya
8.0k
points
380
views
cat1995
quantitative-aptitude
equations
multiple-sub-parts
1
vote
1
answer
8
CAT 1995 | Question: 64
Refer to the following data: le(x, y) = Least of(x, y) mo(x) = |x| me(x, y) = maximum of(x, y) Find the value of me(a + mo(le(a, b)); mo(a + me(mo(a), mo(b)), at $a = -2$ and $b = - 3$. $1$ $0$ $5$ $3$
makhdoom ghaya
asked
in
Quantitative Aptitude
Aug 29, 2017
by
makhdoom ghaya
8.0k
points
316
views
cat1995
quantitative-aptitude
equations
multiple-sub-parts
1
vote
1
answer
9
CAT 1995 | Question: 55
What is the value of m which satisfies $3m^{2} - 21m + 30 < 0$? $m < 2$, or $m > 5$ $m > 2$ $2 < m < 5$ $m < 5$
makhdoom ghaya
asked
in
Quantitative Aptitude
Aug 28, 2017
by
makhdoom ghaya
8.0k
points
545
views
cat1995
quantitative-aptitude
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