Recent questions tagged numerical-ability

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1

NIELIT 2017 DEC Scientific Assistant A - Section A: 31
In how many different ways can the letters of the word ‘MATHEMATICS’ be arranged so that the vowels always come together? $10080$ $4989600$ $120960$ None of the options

In how many different ways can the letters of the word ‘MATHEMATICS’ be arranged so that the vowels always come together? $10080$ $4989600$ $120960$ None of the options

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 205 views

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2

NIELIT 2017 DEC Scientific Assistant A - Section A: 36
If $\log_{x}y=100$ and $\log_{2}x=10$, then the value of $y$ is : $2^{10}$ $2^{100}$ $2^{1000}$ $2^{10000}$

If $\log_{x}y=100$ and $\log_{2}x=10$, then the value of $y$ is : $2^{10}$ $2^{100}$ $2^{1000}$ $2^{10000}$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 204 views

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3

NIELIT 2017 DEC Scientific Assistant A - Section A: 35
A college cricket team with $11$ players consists of $4$ batsman, $3$ all-rounders, $3$ bowlers and $1$ wicket keeper. $3$ players are selected randomly. Find the probability that the selection contains a batsman, a bowler and an all-rounder. $\dfrac{12}{60} \\$ $\dfrac{13}{25} \\$ $\dfrac{12}{55} \\$ $\dfrac{104}{165}$

A college cricket team with $11$ players consists of $4$ batsman, $3$ all-rounders, $3$ bowlers and $1$ wicket keeper. $3$ players are selected randomly. Find the probability that the selection contains a batsman, a bowler and an all-rounder. $\dfrac{12}{60} \\$ $\dfrac{13}{25} \\$ $\dfrac{12}{55} \\$ $\dfrac{104}{165}$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 559 views

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4

NIELIT 2017 DEC Scientific Assistant A - Section A: 34
Ali is thrice as good as workman as Birju and therefore is able to finish a job in $60$ days less than Birju. If both Ali and Birju, work together, they can do it in: $20$ days $22.5$ days $25$ days $30$ days

Ali is thrice as good as workman as Birju and therefore is able to finish a job in $60$ days less than Birju. If both Ali and Birju, work together, they can do it in: $20$ days $22.5$ days $25$ days $30$ days

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 251 views

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5

NIELIT 2017 DEC Scientific Assistant A - Section A: 33
Rishi got two halls in his house painted. It cost him $₹6,000$ and $₹6,100$ respectively to paint the $4$ walls of his $2$ square halls, of the same height. If the length of one hall exceeds the length of the other by $1$ m and the cost of painting is $₹5$ per sq.m, what is the height of the two halls? $3$ m $5$ m $7.5$ m $10$ m

Rishi got two halls in his house painted. It cost him $₹6,000$ and $₹6,100$ respectively to paint the $4$ walls of his $2$ square halls, of the same height. If the length of one hall exceeds the length of the other by $1$ m and the cost of painting is $₹5$ per sq.m, what is the height of the two halls? $3$ m $5$ m $7.5$ m $10$ m

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 588 views

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6

NIELIT 2017 DEC Scientific Assistant A - Section A: 32
Irvin sold a book at a profit of $12\%$. If Irvin had sold it for $₹18$ more, then $18\%$ would have been gained. Find the cost price. $₹600$ $₹300$ $₹400$ $₹200$

Irvin sold a book at a profit of $12\%$. If Irvin had sold it for $₹18$ more, then $18\%$ would have been gained. Find the cost price. $₹600$ $₹300$ $₹400$ $₹200$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 382 views

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7

NIELIT 2017 DEC Scientific Assistant A - Section A: 37
My father gifted me a digital watch that runs fast at the rate of $15$ seconds per hour. If I have set the watch correctly at $10$ a.m. on Tuesday, what will be the time shown by the watch at $6$ p.m. on Saturday? $6.16$ p.m $6.30$ p.m $6.26$ p.m $5.34$ p.m

My father gifted me a digital watch that runs fast at the rate of $15$ seconds per hour. If I have set the watch correctly at $10$ a.m. on Tuesday, what will be the time shown by the watch at $6$ p.m. on Saturday? $6.16$ p.m $6.30$ p.m $6.26$ p.m $5.34$ p.m

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 444 views

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8

NIELIT 2017 DEC Scientific Assistant A - Section A: 42
A boat takes $90$ minutes less to travel $36$ miles downstream than to travel the same distance upstream. If the speed of the boat in still water is $10$ mph, the speed of the stream is: $2$ mph $2.5$ mph $3$ mph $4$ mph

A boat takes $90$ minutes less to travel $36$ miles downstream than to travel the same distance upstream. If the speed of the boat in still water is $10$ mph, the speed of the stream is: $2$ mph $2.5$ mph $3$ mph $4$ mph

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 188 views

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9

NIELIT 2017 DEC Scientific Assistant A - Section A: 41
The velocity of a boat ralative to water is $3i+4j$ and that of water relative to earth is $i-3j$, the velocity of the boat relative to the earth is: $3i+4j$ $4i+j$ $4j+i$ $i+4j$

The velocity of a boat ralative to water is $3i+4j$ and that of water relative to earth is $i-3j$, the velocity of the boat relative to the earth is: $3i+4j$ $4i+j$ $4j+i$ $i+4j$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 211 views

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10

NIELIT 2017 DEC Scientific Assistant A - Section A: 40
An hour after Aishwarya started from her college towards Ananya’s home, a distance of $53$ km, Ananya started from her home on the same road towards Aishwarya’s college. If Aishwarya’s speed was $4$ km per hour and Ananya’s was $3$ km per hour, how many km from Ananya’s home did the two meet? $24$ $22$ $21$ $19.5$

An hour after Aishwarya started from her college towards Ananya’s home, a distance of $53$ km, Ananya started from her home on the same road towards Aishwarya’s college. If Aishwarya’s speed was $4$ km per hour and Ananya’s was $3$ km per hour, how many km from Ananya’s home did the two meet? $24$ $22$ $21$ $19.5$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 481 views

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11

NIELIT 2017 DEC Scientific Assistant A - Section A: 39
After the price of apples reduced, it enabled a person to purchase $3$ apples for $₹1$ instead of $₹1.25$. What is the percentage reduction in price? $20$ $25$ $30$ $33.33$

After the price of apples reduced, it enabled a person to purchase $3$ apples for $₹1$ instead of $₹1.25$. What is the percentage reduction in price? $20$ $25$ $30$ $33.33$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 163 views

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12

NIELIT 2017 DEC Scientific Assistant A - Section A: 38
The equation $ax-(a+b)y=1$ and $(a-b)x+ay=5$ have a unique solution: for all values of $a$ and $b$ only when $a=b$ only when $a^{2}:b^{2}=1:2$ only when $a=0$ and $b=0$

The equation $ax-(a+b)y=1$ and $(a-b)x+ay=5$ have a unique solution: for all values of $a$ and $b$ only when $a=b$ only when $a^{2}:b^{2}=1:2$ only when $a=0$ and $b=0$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 203 views

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13

NIELIT 2017 DEC Scientific Assistant A - Section A: 45
Anand invested $₹8,000$ as a fixed deposit scheme for $2$ years at compound interest rate $5\%$ p.a. How much amount will Anand get on maturity of the fixed deposit? $₹8,600$ $₹8,620$ $₹8,820$ None of the options

Anand invested $₹8,000$ as a fixed deposit scheme for $2$ years at compound interest rate $5\%$ p.a. How much amount will Anand get on maturity of the fixed deposit? $₹8,600$ $₹8,620$ $₹8,820$ None of the options

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 192 views

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14

NIELIT 2017 DEC Scientific Assistant A - Section A: 44
If a fair coin is tossed $5$ times and comes up heads four times out of five. Then if the coin is tossed a sixth time under the same conditions, the probability of it turning up heads is: $80\%$ $125\%$ $50\%$ $20\%$

If a fair coin is tossed $5$ times and comes up heads four times out of five. Then if the coin is tossed a sixth time under the same conditions, the probability of it turning up heads is: $80\%$ $125\%$ $50\%$ $20\%$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 257 views

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15

NIELIT 2017 DEC Scientific Assistant A - Section A: 43
The value of $[(10)^{150}\div (10)^{146}]$: $1000$ $10000$ $100000$ $10^{6}$

The value of $[(10)^{150}\div (10)^{146}]$: $1000$ $10000$ $100000$ $10^{6}$

asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.1k points 139 views

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16

CAT 2010-18
In a factory making radioactive substances, it was considered that the three cubes of uranium together are hazardous. So the company authorities decided to have the stack of uranium interspersed with lead cubes. But there is a new worker in a company who does not know the rule. So ... he wanted. What is the number of hazardous combinations of uranium in a stack of $5$? $3$ $7$ $8$ $10$

In a factory making radioactive substances, it was considered that the three cubes of uranium together are hazardous. So the company authorities decided to have the stack of uranium interspersed with lead cubes. But there is a new worker in a company who does not know the rule. So he ... he wanted. What is the number of hazardous combinations of uranium in a stack of $5$? $3$ $7$ $8$ $10$

asked Mar 1, 2020 in Quantitative Aptitude Arjun 8.1k points 90 views

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1 answer

17

CAT 2010-20
Geetanjali Express, which is $250$ metre long when moving from Howrah to Tatanagar crosses Subarnarekha bridge in $30$ seconds. What is the speed of Geetanjali Express? Statement I: Bombay Mail, which runs at $60$ km/hour crosses the Subranarekha bridge in $30$ seconds. Statements II: Bombay Mail when running at $90$ km/hour crosses a lamp post in $10$ seconds.

Geetanjali Express, which is $250$ metre long when moving from Howrah to Tatanagar crosses Subarnarekha bridge in $30$ seconds. What is the speed of Geetanjali Express? Statement I: Bombay Mail, which runs at $60$ km/hour crosses the Subranarekha bridge in $30$ seconds. Statements II: Bombay Mail when running at $90$ km/hour crosses a lamp post in $10$ seconds.

asked Mar 1, 2020 in Logical Reasoning Arjun 8.1k points 124 views

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18

CAT 2010-52
What was the difference, if any, between the number of permanent workers employed by $M/s$ Mega Corp Limited on March $1$ and the number of permanent workers employed on April $1$? $0$ $50$ $100$ $150$

What was the difference, if any, between the number of permanent workers employed by $M/s$ Mega Corp Limited on March $1$ and the number of permanent workers employed on April $1$? $0$ $50$ $100$ $150$

asked Mar 1, 2020 in Logical Reasoning Arjun 8.1k points 66 views

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19

CAT 2010-53
What was the total number of units shipped by $M/s$ Mega Corp Limited for the months of January, February and March (approximately)? $40,000$ $55,000$ $60,000$ $70,000$

What was the total number of units shipped by $M/s$ Mega Corp Limited for the months of January, February and March (approximately)? $40,000$ $55,000$ $60,000$ $70,000$

asked Mar 1, 2020 in Logical Reasoning Arjun 8.1k points 64 views

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20

CAT 2010-54
If on May $1$, $60$% of the permanent workers and $40$% of the temporary workers employed by $M/s$ Mega Corp Limited were women, how many of the workers employed by $M/s$ Mega Corp Limited at that time were women? $200$ $120$ $410$ $260$

If on May $1$, $60$% of the permanent workers and $40$% of the temporary workers employed by $M/s$ Mega Corp Limited were women, how many of the workers employed by $M/s$ Mega Corp Limited at that time were women? $200$ $120$ $410$ $260$

asked Mar 1, 2020 in Logical Reasoning Arjun 8.1k points 75 views

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21

CAT 2010-56
Based on the information given above, the minimum number of faculty members involved in both training and teaching , but not in research is: $1$ $3$ $4$ $5$

Based on the information given above, the minimum number of faculty members involved in both training and teaching , but not in research is: $1$ $3$ $4$ $5$

asked Mar 1, 2020 in Logical Reasoning Arjun 8.1k points 58 views

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22

CAT 2010-58
The completion of one cycle of the network results in one bottle ready to be sold in the market . The project involves a total of $800$ bottles. What is the average cost of the entire project? Rs $74400$ Rs $372000$ Rs $15000$ Rs $18500$

The completion of one cycle of the network results in one bottle ready to be sold in the market . The project involves a total of $800$ bottles. What is the average cost of the entire project? Rs $74400$ Rs $372000$ Rs $15000$ Rs $18500$

asked Mar 1, 2020 in Quantitative Aptitude Arjun 8.1k points 61 views

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3 answers

23

self doubt
$A$ can complete half work in $7$ days $B$ can do $\dfrac{1}{3}$ of work in $14$ days .while $C$ can complete the $20\%$ of the remaining work in $\dfrac{28}{5}$ days. In how many days $A,B,C$ will complete the work together ?

$A$ can complete half work in $7$ days $B$ can do $\dfrac{1}{3}$ of work in $14$ days .while $C$ can complete the $20\%$ of the remaining work in $\dfrac{28}{5}$ days. In how many days $A,B,C$ will complete the work together ?

asked Jun 15, 2018 in Quantitative Aptitude eyeamgj 50 points 819 views

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24

madeeasy work book
A plane left half an hour than the scheduled time and in order to reach its destination $1500 \hspace{0.1cm} km$ away in time, it had to increase its speed by $33.33\%$ over its usual speed. find its increased speed? $250 \hspace{0.1cm} kmph$ ... $750 \hspace{0.1cm} kmph$ none the answer given is $750 \hspace{0.1cm} kmph$ but i m getting $250$ which is correct??

A plane left half an hour than the scheduled time and in order to reach its destination $1500 \hspace{0.1cm} km$ away in time, it had to increase its speed by $33.33\%$ over its usual speed. find its increased speed? $250 \hspace{0.1cm} kmph$ $500 \hspace{0.1cm} kmph$ $750 \hspace{0.1cm} kmph$ none the answer given is $750 \hspace{0.1cm} kmph$ but i m getting $250$ which is correct??

asked Jun 9, 2018 in Quantitative Aptitude eyeamgj 50 points 1.6k views

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