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Recent questions tagged quantitative-aptitude

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81
A $300$ metre long metro train crosses a platform in a metro station in $39$ seconds while it crosses a lamp post in $18$ seconds. What is the length of the platform? $250$ metre $350$ metre $520$ metre $300$ metre
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 131 views
1 vote
1 answer
82
Assume that a sum of money is divided equally among $n$ girls. Each girl will receive $\$60.$ If another girl is added to the group and the sum is divided equally among all the girls, each child girl gets a $\$50$ share. What is the sum of money? $\$3000$ $\$300$ $\$110$ $\$10$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 161 views
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1 answer
83
A tank can be filled by one tap in $10$ minutes and by another in $30$ minutes. Both the taps are kept open for $5$ minutes and then the first one is shut off. In how many minutes more is the tank completely filled? $5$ $7.5$ $10$ $12$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 136 views
1 vote
1 answer
84
The rate of simple interest on a sum of money is $6$ per cent per annum for the first $3$ years, $8$ per cent per annum for the next $5$ years and $10$ per cent per annum for the period beyond $8$ years. If the simple interest accrued by the sum for a total period of $10$ years is Rs. $1,560,$ what is the sum? Rs. $1,500$ Rs. $3,000$ Rs. $2,000$ Data Inadequate
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 161 views
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1 answer
85
Adrian starts a start-up with a capital of Rs. $85,000.$ Brian joins in the start-up with Rs. $42,500$ after sometime. For how much period does Brian join, if the profits at the end of the year are divided in the ratio of $3:1?$ $5$ months $6$ months $7$ months $8$ months
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 114 views
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1 answer
86
Shirin went to a bakery and bought items worth Rs. $25,$ out of which $30$ paise went on sales tax on taxable purchases. If the tax rate was $6\%,$ then what was the cost of the tax free items? Rs. $12$ Rs. $19.70$ Rs. $19.10$ Rs. $18.80$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 183 views
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87
A car travels at an average of $50$ miles per hour for $2.5$ hours and then travels at a speed of $70$ miles per hour for $1.5$ hours. How far did the car travel in the entire $4$ hours? $210$ miles $230$ miles $250$ miles $260$ miles
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 85 views
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1 answer
88
By selling $45$ limes for Rs. $40,$ a woman loses $20\%.$ How many should she sell for Rs. $24$ to gain $20\%$ in the transaction? $16$ $18$ $20$ $22$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 139 views
1 vote
1 answer
89
Find the missing number in the following question. $32$ $42$ $62$ $82$
asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 213 views
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1 answer
90
If $\div$ means $+$, $–$ means $\div$ , $\times$ means $–$ and $+$ means $\times$, then $\dfrac{\left ( 3\times 4 \right )-8\times 4}{4+8\times 2 +16 \div 1}=?$ $1$ $-1$ $2$ $0$
asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 31 523 813 132 views
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91
Some part of a sugar solution which contains 40% sugar is replaced with another sugar solution which contains 19% sugar. Part of sugar in the new mixture became 26% what fraction of the original sugar solution was replaced with another sugar solution?
asked Mar 26, 2020 in Quantitative Aptitude Abhipsa 14 points 1 2 3 243 views
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92
How many pairs $(m,n)$ of positive integers satisfy the equation $m^{2}+105=n^{2}$?____
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 78 views
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1 answer
93
In an examination, Rama's score was one-twelfth of the sum of the scores of Mohan and Anjali. After a review, the score of each of them increased by $6$. The revised scores of Anjali, Mohan, and Rama were in the ratio $11:10:3$. Then Anjali's score exceeded Rama's score by $24$ $26$ $32$ $35$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 221 views
0 votes
1 answer
94
If x is a real number, then $\sqrt{\log _{e}\frac{4x-x^{2}}{3}}$ is a real number if and only if $1\leq x\leq 2$ $-3\leq x\leq 3$ $1\leq x\leq 3$ $-1\leq x\leq 3$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 94 views
0 votes
1 answer
95
The salaries of Ramesh, Ganesh and Rajesh were in the ratio $6:5:7$ in $2010$, and in the ratio $3:4:3$ in $2015$. If Ramesh’s salary increased by $25$% during $2010-2015$, then the percentage increase in Rajesh’s salary during this period is closest to $8$ $7$ $9$ $10$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 173 views
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96
John jogs on track A at $6$ kmph and Mary jogs on track $B$ at $7.5$ kmph. The total length of tracks $A$ and $B$ is $325$ metres. While John makes $9$ rounds of track $A$, Mary makes $5$ rounds of track $B$. In how many seconds will Mary make one round of track $A$?______
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 159 views
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97
The average of $30$ integers is $5$. Among these $30$ integers, there are exactly $20$ which do not exceed $5$. What is the highest possible value of the average of these $20$ integers? $4$ $3.5$ $4.5$ $5$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 81 views
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1 answer
98
A cyclist leaves $A$ at $10$ am and reaches $B$ at $11$ am. Starting from $10:01$ am, every minute a motor cycle leaves $A$ and moves towards $B$. Forty-five such motor cycles reach $B$ by $11$ am. All motor cycles have the same speed. If the cyclist had doubled his speed, how many motor cycles would have reached $B$ by the time the cyclist reached $B$? $23$ $20$ $15$ $22$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 128 views
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99
In an examination, the score of $A$ was $10$% less than that of $B$, the score of $B$ was $25$% more than that of $C$, and the score of $C$ was $20$% less than that of $D$. If $A$ scored $72$, then the score of $D$ was_____
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 97 views
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100
Two circles, each of radius $4$ cm, touch externally. Each of these two circles is touched externally by a third circle. If these three circles have a common tangent, then the radius of the third circle, in cm, is $\sqrt{2}$ $\frac{\pi }{3}$ $\frac{1}{\sqrt{2}}$ $1$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 73 views
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101
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? $14$ $13$ $15$ $12$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 173 views
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102
In a triangle $ABC$, medians $AD$ and $BE$ are perpendicular to each other, and have lengths $12$ cm and $9$ cm, respectively. Then, the area of triangle $ABC$, in sq cm. is $68$ $72$ $78$ $80$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 68 views
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103
Two ants $A$ and $B$ start from a point $P$ on a circle at the same time, with $A$ moving clock-wise and $B$ moving anti-clockwise. They meet for the first time at $10:00$ am when $A$ has covered $60$% of the track. If $A$ returns to $P$ at $10:12$ am, then $B$ returns to $P$ at $10:25$am $10:18$am $10:27$am $10:45$am
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 125 views
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104
Let $a_{1},a_{2}\dots$ be integers such that $a_{1}-a_{2}+a_{3}-a_{4}+\dots+(-1)^{n-1}a_{n}=n$, for all $n\geq 1$ Then $a_{51}+a_{52}+\dots+a_{1023}$ equals $-1$ $10$ $0$ $1$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 54 views
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105
The real root of the equation $2^{6x}+2^{3x+2}-21=0$ is $\frac{\log_{2}7}{3}$ $log_{2}9$ $\frac{\log_{2}3}{3}$ $log_{2}27$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 76 views
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1 answer
106
The quadratic equation $x^{2}+bx+c=0$ has two roots $4a$ and $3a$, where a is an integer. Which of the following is a possible value of $b^{2}+c$? $3721$ $549$ $427$ $361$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 99 views
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107
In a six-digit number, the sixth, that is, the rightmost, digit is the sum of the first three digits, the fifth digit is the sum of first two digits, the third digit is equal to the first digit, the second digit is twice the first digit and the fourth digit is the sum of fifth and sixth digits. Then, the largest possible value of the fourth digit is _____
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 86 views
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108
Let $a,b,x,y$ be real numbers such that $a^{2}+b^{2}=25,x^{2}+y^{2}=169$, and $ax+by=65$. If $k=ay-bx$, then $k=0$ $0< k\leq \frac{5}{13}$ $k=\frac{5}{13}$ $k> \frac{5}{13}$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 96 views
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109
What is the largest positive integer $n$ such that $\frac{n^{2}+7n+12}{n^{2}-n-12}$ is also a positive integer? $8$ $12$ $16$ $6$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 138 views
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110
How many factors $2^{4}\times3^{5}\times10^{4}$ are perfect squares which are greater than $1$?_____
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 78 views
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111
The strength of a salt solution is $p$% if $100$ ml of the solution contains $p$ grams of salt. Each of three vessels $A, B, C$ contains $500$ ml of salt solution of strengths $10$%, $22$%, and $32$%, respectively. Now, $100$ ml of the solution in vessel $A$ ... in vessel $C$ is transferred to vessel $A$. The strength, in percentage, of the resulting solution in vessel $A$ is $12$ $14$ $13$ $15$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 78 views
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112
In $2010$, a library contained a total of $11500$ books in two categories -fiction and nonfiction. In $2015$, the library contained a total of $12760$ books in these two categories. During this period, there was $10$% increase in the fiction category while there was $12$% increase in the non-fiction category. How many fiction books were in the library in $2015$? $6000$ $6160$ $5500$ $6600$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 114 views
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113
A man makes complete use of $405$ cc of iron, $783$ cc of aluminium, and $351$ cc of copper to make a number of solid right circular cylinders of each type of metal. These cylinders have the same volume and each of these has radius $3$ cm. If the total number of cylinders is to be ... , then the total surface area of all these cylinders, in sq cm, is $8464\pi$ $928\pi$ $1044(4+\pi)$ $1026(1+\pi)$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 77 views
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114
John gets Rs $57$ per hour of regular work and Rs $114$ per hour of overtime work. He works altogether $172$ hours and his income from overtime hours is $15$%of his income from regular hours. Then, for how many hours did he work overtime?_______
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 131 views
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115
Mukesh purchased $10$ bicycles in $2017$, all at the same price. He sold six of these at a profit of $25$% and the remaining four at a loss of $25$%. If he made a total profit of Rs.$2000$, then his purchase price of a bicycle, in Rupees, was______ $8000$ $6000$ $4000$ $2000$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 127 views
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116
A shopkeeper sells two tables, each procured at cost price p, to Amal and Asim at a profit of $20$% and at a loss of $20$%, respectively. Amal sells his table to Bimal at a profit of $30$%, while Asim sells his table to Barun at a loss of $30$%. If the amounts paid by Bimal and Barun are $x$ and $y$, respectively, then $(x −y) / p$ equals $0.7$ $1$ $1.2$ $0.50$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 70 views
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1 answer
117
Let $A$ be a real number. Then the roots of the equation $x^{2}-4x-\log _{2}A=0$ are real and distinct if and only if $A> \frac{1}{16}$ $A> \frac{1}{8}$ $A< \frac{1}{16}$ $A< \frac{1}{8}$
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 86 views
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118
Let $A$ and $B$ be two regular polygons having $a$ and $b$ sides, respectively. If $b= 2a$ and each interior angle of $B$ is $3/2$ times each interior angle of $A$, then each interior angle, in degrees, of a regular polygon with $a + b$ sides is_____
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 92 views
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119
If $5^{x}-3^{y}=13438$ and $5^{x-1}+3^{y+1}=9686$, then $x+y$ equals_______
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 93 views
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120
If $(2n+1)+(2n+3)+(2n+5)+\dots+(2n+47)=5280,$ then what is the value of $1+2+3+\dots+n$?______
asked Mar 20, 2020 in Quantitative Aptitude jothee 11.5k points 213 1349 2323 66 views
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