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Recent questions tagged gate2018ec
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Mathematics GATE 2018 EC: 22
Consider matrix $A =$ $\begin{bmatrix} k &2k \\ k^{2}k &k^{2} \end{bmatrix}$ and $x =$ $\begin{bmatrix} x1\\x2 \end{bmatrix}$ The number of distinct real values of $k$ for which the equation $Ax = 0$ has infinitely many solutions is _______.
asked
Feb 21, 2018
in
Calculus
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

367
views
gate2018ec
engineeringmathematics
linearalgebra
matrices
normal
+1
vote
1
answer
2
Mathematics GATE 2018 EC: 23
Let $X_1$, $X_2$, $X_3$, and $X_4$ be independent normal random variables with zero mean and unit variance. The probability that $X_4$ is the smallest among the four is _______ .
asked
Feb 21, 2018
in
Probability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

539
views
gate2018ec
engineeringmathematics
probability
normal
+2
votes
2
answers
3
Mathematics: GATE 2018 Digital Logic  9( Electronics and Communication Engineering )
asked
Feb 21, 2018
in
Digital Logic
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

530
views
gate2018ec
digitallogic
booleanalgebra
normal
+5
votes
1
answer
4
GATE2018 EC: GA10
A coastal region with unparalleled beauty is home to many species of animals. It is dotted with coral reefs and unspoilt white sandy beaches. It has remained inaccessible to tourists due to poor connectivity and lack of accommodation. A company has ... are on the decline and could soon vanish. Helicopter connectivity would lead to an increase in tourists coming to the region.
asked
Feb 21, 2018
in
Verbal Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

505
views
gate2018ec
generalaptitude
verbalability
normal
passagereading
+2
votes
1
answer
5
GATE2018 EC: GA9
A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident. $85\%$ of cabs in the city are green and the remaining cabs are blue. A witness identified the cab involved in the accident as blue. ... options is closest to the probability that the accident was caused by a blue cab? $12\%$ $15\%$ $41\%$ $80\%$
asked
Feb 21, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

918
views
gate2018ec
generalaptitude
numericalability
normal
datainterpretation
+2
votes
1
answer
6
GATE2018 EC: GA8
The Cricket Board has long recognized John's potential as a leader of the team. However, his onfield temper has always been a matter of concern for them since his junior days. While this aggression has filled stadia with diehard fans, it has taken a toll on his own batting. Until recently, ... , (ii) and (iii) only (iii) and (iv) only (ii) and (iv) only (i), (ii), (iii) and (iv)
asked
Feb 21, 2018
in
Verbal Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

440
views
gate2018ec
generalaptitude
verbalability
normal
passagereading
+1
vote
1
answer
7
GATE2018 EC: GA7
Two alloys $A$ and $B$ contain gold and copper in the ratios of $2:3$ and $3:7$ by mass, respectively. Equal masses of alloys $A$ and $B$ are melted to make an alloy $C$. The ratio of gold to copper in alloy $C$ is ______. $ 5:10$ $7:13$ $6:11$ $9:13$
asked
Feb 21, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

1k
views
gate2018ec
generalaptitude
numericalability
normal
ratioproportion
0
votes
1
answer
8
GATE2018 EC: GA6
Leila aspires to buy a car worth $Rs. 10,00,000$ after $5$ years. What is the minimum amount in Rupees that she should deposit now in a bank which offers $10\%$ annual rate of interest, if the interest was compounded annually? $5,00,000 $ $6,21,000$ $6,66,667$ $7,50,000$
asked
Feb 21, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

671
views
gate2018ec
generalaptitude
numericalability
simplecompoundinterest
normal
+4
votes
1
answer
9
GATE2018 EC: GA5
A $1.5 m$ tall person is standing at a distance of $3 m$ from a lamp post. The light from the lamp at the top of the post casts her shadow. The length of the shadow is twice her height. What is the height of the lamp post in meters? $1.5 $ $3$ $4.5$ $6$
asked
Feb 21, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

508
views
gate2018ec
generalaptitude
numericalability
normal
geometry
+3
votes
1
answer
10
GATE2018 EC: GA4
What is the value of $1 + \dfrac{1}{4} + \dfrac{1}{16} + \dfrac{1}{64} + \dfrac{1}{256} + .............?$ $2$ $\dfrac{7}{4}$ $\dfrac{3}{2}$ $\dfrac{4}{3}$
asked
Feb 21, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

307
views
gate2018ec
generalaptitude
numericalability
numberseries
geometricseries
+3
votes
1
answer
11
GATE2018 EC: GA3
If the number $715∎423$ is divisible by $3$ (∎ denotes the missing digit in the thousandths place), then the smallest whole number in the place of ∎ is _________. $0$ $2$ $5$ $6$
asked
Feb 21, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

401
views
gate2018ec
generalaptitude
numericalability
easy
geometry
+3
votes
3
answers
12
GATE2018 EC: GA2
“Even though there is a vast scope for its ________, tourism has remained a/an _________ area.” The words that best fill the blanks in the above sentence are improvement, neglected rejection, approved fame, glum interest, disinterested
asked
Feb 21, 2018
in
Verbal Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

446
views
gate2018ec
generalaptitude
verbalability
normal
mostappropriateword
+3
votes
2
answers
13
GATE2018 EC: GA1
“By giving him the last ______ of the cake, you will ensure lasting _____ in our house today.” The words that best fill the blanks in the above sentence are peas, piece piece, peace peace, piece peace, peas
asked
Feb 21, 2018
in
Verbal Ability
by
Lakshman Patel RJIT
Veteran
(
59.3k
points)

375
views
gate2018ec
generalaptitude
verbalability
normal
mostappropriateword
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Cut off will be between 95115 not more than that.
@saxena0612 , Sir since they are not considering...
Hey Everyone! Those who think that they are...
Which questions are u challenging..?
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