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1
Three Englishmen and three Frenchmen work for the same company. Each of them knows a secret not known to others. They need to exchange these secrets over person-to- person phone calls so that eventually each person knows all six secrets. None of the Frenchmen knows English, and only one Englishman knows French. what is the minimum number of phone calls needed for the above purpose? 5 10 9 15
answered 1 day ago in Quantitative Aptitude Amit puri 28 points 1 1 2 223 views
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1 answer
2
Anil alone can do a job in $20$ days while Sunil alone can do it in $40$ days. Anil starts the job, and after $3$ days, Sunil joins him. Again, after a few more days, Bimal joins them and they together finish the job. If Bimal has done $10$% of the job, then in how many days was the job done? $14$ $13$ $15$ $12$
answered 4 days ago in Quantitative Aptitude Anam_ALP 364 points 1 1 4 214 views
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1 answer
3
Read the following information carefully and answer the question based on that. Two families are planning to go on a canoe trip together. The families consist of the following people: Robert and Mary Henderson and their three sons Tommy, Don and William, Jerome and Ellen Penick ... Penick parents do not ride together. The Henderson parents do not ride together. Only I Only II I and II I and III
answered Jun 14 in Logical Reasoning linkonsam76 18 points 1 188 views
1 vote
1 answer
4
Let $x$ and $y$ be positive real numbers such that $\log _{5}(x+y)+\log _{5}(x-y)=3$, and $\log _{2}y-\log _{2}x=1-log_{2}3$. Then xy equals $250$ $25$ $100$ $150$
answered Jun 1 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 115 views
1 vote
1 answer
5
If the population of a town is $p$ in the beginning of any year then it becomes $3+2p$ in the beginning of the next year. If the population in the beginning of $2019$ is $1000$, then the population in the beginning of $2034$ will be $(997)2^{14}+3$ $(1003)^{15}+6$ $(1003)2^{15}-3$ $(997)^{15}-3$
answered Jun 1 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 116 views
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1 answer
6
The line AB is $6$ metres in length and is tangent to the inner one of the two concentric circles at point C. It is known that the radii of the two circles are integers. The radius of the outer circle is $5$ metres $4$ metres $6$ metres $3$ metres
answered Jun 1 in Logical Reasoning Amit puri 28 points 1 1 2 306 views
1 vote
2 answers
7
Corners are cut off from an equilateral triangle T to produce a regular hexagon H. Then, the ratio of the area of H to the area of T is $5:6$ $4:5$ $3:4$ $2:3$
answered May 31 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 33 587 822 117 views
1 vote
1 answer
8
If $a_{1}+a_{2}+a_{3}+\dots+a_{n}=3(2^{n+1}-2)$, for every $n\geq 1$, then $a_{11}$ equals ____
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 77 views
1 vote
1 answer
9
The product of two positive numbers is $616$. If the ratio of the difference of their cubes to the cube of their difference is $157:3$, then the sum of the two numbers is $58$ $50$ $95$ $85$
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 131 views
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1 answer
10
The number of solutions to the equation $|x|(6x^{2}+1)=5x^{2}$ is _____.
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 81 views
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1 answer
11
Consider a function $f$ satisfying $f(x+y)=f(x)f(y)$ where $x,y$ are positive integers, and $f(1)=2$. If $f(a+1)+f(a+2)+\ldots +f(a+n)=16(2^{n}-1)$ then $a$ is equal to ______
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 68 views
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1 answer
12
A chemist mixes two liquids $1$ and $2$. One litre of liquid $1$ weighs $1$ kg and one litre of liquid $2$ weighs $800$ gm. If half litre of the mixture weighs $480$ gm, then the percentage of liquid $1$ in the mixture, in terms of volume, is $85$ $70$ $75$ $80$
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 98 views
1 vote
1 answer
13
In a circle of radius $11$ cm, CD is a diameter and AB is a chord of length $20.5$ cm. If AB and CD intersect at a point E inside the circle and CE has length $7$ cm, then the difference of the lengths of BE and AE, in cm, is $2.5$ $3.5$ $0.5$ $1.5$
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 84 views
0 votes
1 answer
14
Meena scores $40$% in an examination and after review, even though her score is increased by $50$%, she fails by $35$ marks. If her post-review score is increased by $20$%, she will have $7$ marks more than the passing score. The percentage score needed for passing the examination is $70$ $60$ $75$ $80$
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 146 views
0 votes
1 answer
15
The wheel of bicycles $A$ and $B$ have radii $30$ cm and $40$ cm, respectively. While traveling a certain distance, each wheel of $A$ required $5000$ more revolutions than each wheel of $B$. If bicycle $B$ traveled this distance in $45$ minutes, then its speed, in km per hour, was $18\pi$ $12\pi$ $16\pi$ $14\pi$
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 80 views
0 votes
1 answer
16
In a race of three horses, the first beat the second by $11$ metres and the third by $90$ metres. If the second beat the third by $80$ metres, what was the length, in metres,of the racecourse? ____
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 85 views
0 votes
1 answer
17
For any positive integer $n$, let $f(n)=n(n+1)$ if n is even, and $f(n)=n+3$ if n is odd. if $m$ is a positive integer such that $8f(m+1)-f(m)=2$, then $m$ equals____
answered May 31 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 76 views
0 votes
1 answer
18
The age of a son, who is more than two years old, is equal to the units digit of the age of his father. After ten years, the age of the father will be thrice the age of the son. What is the sum of the present ages of the son and the father? $30$ years $36$ years $40$ years Cannot be determined
answered May 30 in Quantitative Aptitude Xavier 18 points 1 103 views
1 vote
1 answer
19
If $a_{1},a_{2}\dots$ are in A.P., then, $\frac{1}{\sqrt{a_{1}}+\sqrt{a_{2}}}+\frac{1}{\sqrt{a_{2}}+\sqrt{a_{3}}}+\dots+\frac{1}{\sqrt{a_{n}}+\sqrt{a_{n+1}}}$ is equal to $\frac{n-1}{\sqrt{a_{1}}+\sqrt{a_{n-1}}}$ $\frac{n}{\sqrt{a_{1}}+\sqrt{a_{n+1}}}$ $\frac{n-1}{\sqrt{a_{1}}+\sqrt{a_{n}}}$ $\frac{n}{\sqrt{a_{1}}-\sqrt{a_{n+1}}}$
answered May 28 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 108 views
0 votes
1 answer
20
A person invested a total amount of Rs $15$ lakh. A part of it was invested in a fixed deposit earning $6$% annual interest, and the remaining amount was invested in two other deposits in the ratio $2:1$, earning annual interest at the rates of $4$% and $3$%, respectively. If the total annual interest income is Rs $76000$ then the amount (in Rs lakh) invested in the fixed deposit was___
answered May 28 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 87 views
0 votes
1 answer
21
$AB$ is a diameter of a circle of radius $5$ cm. Let $P$ and $Q$ be two points on the circle so that the length of $PB$ is $6$ cm, and the length of $AP$ is twice that of $AQ$. Then the length, in cm, of $QB$ is nearest to $7.8$ $8.5$ $9.1$ $9.3$
answered May 28 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 74 views
1 vote
1 answer
22
Two cars travel the same distance starting at $10:00$ am and $11:00$ am, respectively, on the same day. They reach their common destination at the same point of time. If the first car traveled for at least $6$ hours, then the highest possible value of the percentage by which the speed of the second car could exceed that of the first car is $30$ $25$ $10$ $20$
answered May 28 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 94 views
2 votes
1 answer
23
If $m$ and $n$ are integers such that $(\sqrt{2})^{19}3^{4}4^{2}9^{m}8^{n}=3^{n}16^{m}(\sqrt[4]{64})$ then $m$ is $-20$ $-12$ $-24$ $-16$
answered May 26 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 149 views
1 vote
1 answer
24
If $x= \frac{\sqrt{p^{2}+q^{2}}+\sqrt{p^{2}-q^{2}}}{{\sqrt{p^{2}+q^{2}}-\sqrt{p^{2}-q^{2}}}}$ then $q^{2}x^{2}-2p^{2}x+q^{2}$ equals to : $3$ $-1$ $-2$ $0$
answered May 25 in Quantitative Aptitude Nikhil_dhama 478 points 1 2 8 82 views
0 votes
1 answer
25
If $\left (-4, 0 \right), \left(1, -1 \right)$ are two vertices of a triangle whose area is $4$ Sq units then its third vertex lies on : $y=x$ $5x+y+12=0$ $x+5y-4=0$ $x-5y+4=0$
answered May 25 in Quantitative Aptitude Nikhil_dhama 478 points 1 2 8 88 views
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1 answer
26
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27
Advanced LIGO recently observed the Black Hole activity Gravitational waves UFO Sun Temperature
answered May 25 in General Awareness Nikhil_dhama 478 points 1 2 8 81 views
1 vote
1 answer
28
Ramesh and Gautam are among $22$ students who write an examination. Ramesh scores $82.5$. The average score of the $21$ students other than Gautam is $62$. The average score of all the $22$ students is one more than the average score of the $21$ students other than Ramesh. The score of Gautam is $49$ $48$ $51$ $53$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 109 views
1 vote
1 answer
29
A club has $256$ members of whom $144$ can play football, $123$ can play tennis, and $132$ can play cricket. Moreover, $58$ members can play both football and tennis, $25$ can play both cricket and tennis, while $63$ can play both football and cricket. If every member can play at least one game, then the number of members who can play only tennis is $45$ $38$ $32$ $43$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 93 views
2 votes
1 answer
30
If $(5.55)^{x}=(0.555)^{y}=1000$, then the value of $\frac{1}{x}-\frac{1}{y}$ is $3$ $1$ $\frac{1}{3}$ $\frac{2}{3}$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 95 views
1 vote
1 answer
31
On selling a pen at $5$% loss and a book at $15$% gain, Karim gains Rs. $7$. If he sells the pen at $5$% gain and the book at $10$% gain, he gains Rs. $13$. What is the cost price of the book in Rupees? $80$ $85$ $95$ $100$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 85 views
0 votes
1 answer
32
At their usual efficiency levels, A and B together finish a task in $12$ days. If A had worked half as efficiency as she usually does, and B had worked thrice as efficiency as he usually does, the task would have been completed in $9$ days. How many days would A take to finish the task if she works alone at her usual efficiency? $24$ $18$ $12$ $36$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 96 views
0 votes
1 answer
33
Three men and eight machines can finish a job in half the time taken by three machines and eight men to finish the same job. If two machines can finish the job in $13$ days, then how many men can finish the job in $13$ days?______
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 72 views
1 vote
1 answer
34
The income of Amala is $20$% more than that of Bimala and $20$% less than that of Kamala. If kamala’s income goes down by $4$% and Bimala’s goes up by $10$%, then the percentage by which kamala’s income would exceed Bimala’s is nearest to $31$ $28$ $32$ $29$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 138 views
0 votes
1 answer
35
In a class, $60$% of the students are girls and the rest are boys. There are $30$ more girls than boys. If $68$% of the students, including $30$ boys, pass an examination, the percentage of the girls who do not pass is____
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 88 views
1 vote
1 answer
36
Amala, Bina, and Gouri invest money in the ratio $3:4:5$ in fixed deposits having respective annual interest rates in the ratio $6:5:4$. what is their total interest income (in Rs) after a year, if Bina’s interest income exceeds Amala’s by Rs $250$? $6350$ $7250$ $7000$ $6000$
answered May 24 in Quantitative Aptitude Anam_ALP 364 points 1 1 4 90 views
1 vote
1 answer
37
There are 8 houses in a line and in each house only one boy lives with the conditions as given below: Jack is not the neighbour of Siman. Harry is just next to the left of Larry. There is at least one to the left of Larry. Paul lives in one of the two houses in ... at the left end. Robert is in between Simon and Taud. Taud is in between Paul and Jack. There are three persons to the right of Paul.
answered May 23 in Logical Reasoning Arjun 8.1k points 53 88 177 146 views
0 votes
2 answers
38
Arrange the four sentences in order so that they make a logically coherent paragraph. A. A wife may not be sure that what her husband is saying means the end . B. She has found that people's voices often get higher or shakier when they lie, and they are more likely to ... can be significant. D. She should listen closely, not only to what he says, but also to how he says it. ADCB ACDB ADBC ABCD
answered May 22 in Logical Reasoning Aashay kaurav 172 points 1 4 194 views
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1 answer
39
In the following figure, the area of the isosceles right triangle ABE is 7 sq.cm. If EC=3BE, then the area of rectangle ABCD id (insq.cm.) 64 82 26 56
answered May 17 in Quantitative Aptitude Hira Thakur 3.7k points 5 10 66 149 views
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1 answer
40
A box contains $6$ red balls, $7$ green balls and $5$ blue balls. Each ball is of a different size. The probability that the red ball selected is the smallest red ball, is $1/18$ $1/3$ $1/6$ $2/3$
answered May 17 in Logical Reasoning Hira Thakur 3.7k points 5 10 66 130 views
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