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Recent questions tagged tifr2013
9
votes
3
answers
31
TIFR CSE 2013 | Part A | Question: 10
Three men and three rakhsasas arrive together at a ferry crossing to find a boat with an oar, but no boatman. The boat can carry one or at the most two persons, for example, one man and one rakhsasas, and each man or rakhsasas can row. But if at any ... any mishap, what is the minimum number of times that the boat must cross the river? $7$ $9$ $11$ $13$ $15$
makhdoom ghaya
asked
in
Analytical Aptitude
Nov 4, 2015
by
makhdoom ghaya
1.6k
views
tifr2013
analytical-aptitude
logical-reasoning
22
votes
5
answers
32
TIFR CSE 2013 | Part A | Question: 9
There are $n$ kingdoms and $2n$ champions. Each kingdom gets $2$ champions. The number of ways in which this can be done is: $\frac{\left ( 2n \right )!}{2^{n}}$ $\frac{\left ( 2n \right )!}{n!}$ $\frac{\left ( 2n \right )!}{2^{n} . n!}$ $\frac{n!}{2}$ None of the above
makhdoom ghaya
asked
in
Combinatory
Nov 4, 2015
by
makhdoom ghaya
3.3k
views
tifr2013
combinatory
discrete-mathematics
normal
balls-in-bins
10
votes
1
answer
33
TIFR CSE 2013 | Part A | Question: 8
Find the sum of the infinite series $\dfrac{1}{1\times 3 \times 5} + \dfrac{1}{3\times 5\times 7} + \dfrac{1}{5\times 7 \times 9} + \dfrac{1}{7\times 9 \times 11} + ......$ $\;\;\infty $ $\left(\dfrac{1}{2}\right)$ $\left(\dfrac{1}{6}\right)$ $\left(\dfrac{1}{12}\right)$ $\left(\dfrac{1}{14}\right)$
makhdoom ghaya
asked
in
Quantitative Aptitude
Nov 4, 2015
by
makhdoom ghaya
1.3k
views
tifr2013
quantitative-aptitude
number-series
2
votes
1
answer
34
TIFR CSE 2013 | Part A | Question: 7
For any complex number $z$, $arg$ $z$ defines its phase, chosen to be in the interval $0\leq arg z < 360^{∘}$. If $z_{1}, z_{2}$ and $z_{3}$ ... $\frac{1}{3}$ 1 3 $\frac{1}{2}$
makhdoom ghaya
asked
in
Quantitative Aptitude
Nov 4, 2015
by
makhdoom ghaya
617
views
tifr2013
quantitative-aptitude
complex-number
non-gate
19
votes
7
answers
35
TIFR CSE 2013 | Part A | Question: 6
You are lost in the National park of Kabrastan. The park population consists of tourists and Kabrastanis. Tourists comprise two-thirds of the population the park and give a correct answer to requests for directions with probability $\dfrac{3}{4}$. The air of Kabrastan has an ... $\left(\dfrac{1}{2}\right)$ $\left(\dfrac{2}{3}\right)$ $\left(\dfrac{3}{4}\right)$
makhdoom ghaya
asked
in
Probability
Nov 4, 2015
by
makhdoom ghaya
3.2k
views
tifr2013
probability
conditional-probability
5
votes
3
answers
36
TIFR CSE 2013 | Part A | Question: 5
The late painter Maqbool Fida Husain once coloured the surface of a huge hollow steel sphere, of radius $1$ metre, using just two colours, Red and Blue. As was his style however, both the red and blue areas were a bunch of highly irregular disconnected ... $11 sq. metres$; None of the above.
makhdoom ghaya
asked
in
Quantitative Aptitude
Nov 4, 2015
by
makhdoom ghaya
2.8k
views
tifr2013
geometry
quantitative-aptitude
11
votes
1
answer
37
TIFR CSE 2013 | Part A | Question: 4
A biased coin is tossed repeatedly. Assume that the outcomes of different tosses are independent and probability of heads is $\dfrac{2}{3}$ in each toss. What is the probability of obtaining an even number of heads in $5$ tosses, zero being treated as an even ... $\left(\dfrac{124}{243}\right)$ $\left(\dfrac{125}{243}\right)$ $\left(\dfrac{128}{243}\right)$
makhdoom ghaya
asked
in
Probability
Nov 4, 2015
by
makhdoom ghaya
1.6k
views
tifr2013
probability
binomial-distribution
18
votes
3
answers
38
TIFR CSE 2013 | Part A | Question: 3
Three candidates, Amar, Birendra and Chanchal stand for the local election. Opinion polls are conducted and show that fraction $a$ of the voters prefer Amar to Birendra, fraction $b$ prefer Birendra to Chanchal and fraction $c$ ... $(a, b, c) = (0.49, 0.49, 0.49);$ None of the above.
makhdoom ghaya
asked
in
Mathematical Logic
Nov 4, 2015
by
makhdoom ghaya
2.5k
views
tifr2013
set-theory&algebra
set-theory
6
votes
1
answer
39
TIFR CSE 2013 | Part A | Question: 2
Consider the following two types of elections to determine which of two parties $A$ and $B$ forms the next government in the 2014 Indian elections. Assume for simplicity an Indian population of size $545545 (=545 * 1001)$ ... by election TYPE P, then it will also form the govt. by election TYPE C. All of the above None of the above
makhdoom ghaya
asked
in
Analytical Aptitude
Nov 4, 2015
by
makhdoom ghaya
721
views
tifr2013
logical-reasoning
7
votes
3
answers
40
TIFR CSE 2013 | Part A | Question: 1
An infinite two-dimensional pattern is indicated below. The smallest closed figure made by the lines is called a unit triangle. Within every unit triangle, there is a mouse. At every vertex there is a laddoo. What is the average number of laddoos per mouse? $\quad 3$ $\quad 2$ $\quad 1$ $\left(\dfrac{1}{2}\right)$ $\left(\dfrac{1}{3}\right)$
makhdoom ghaya
asked
in
Combinatory
Nov 4, 2015
by
makhdoom ghaya
1.6k
views
tifr2013
combinatory
counting
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