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Recent questions in Quantitative Aptitude

1 votes
1 answer
961
Geeksforgeeks Sudo Placements
If the selling price of 30 pencils is equal to the cost price of 50 pencils. Find out the profit or loss %.
If the selling price of 30 pencils is equal to the cost price of 50 pencils. Find out the profit or loss %.
4 votes
2 answers
963
Interview Question
You have to play three games with opponents A and B in a specified sequence. You win the series if you win two consecutive games. A is a stronger player than B. Which sequence maximizes your chance of winning the series? AAB ABA BAB BAA All are the same.
You have to play three games with opponents A and B in a specified sequence. You win the series if you win two consecutive games. A is a stronger player than B. Which seq...
4 votes
4 answers
964
Permutation
How many ways $4$ men and $3$ women can speak at a conference so that women speakers are grouped together? 1. $720$ 2. $488$ 3. $360$ 4. $120$
How many ways $4$ men and $3$ women can speak at a conference so that women speakers are grouped together?1. $720$2. $488$3. $360$4. $120$
2 votes
3 answers
965
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...
4 votes
4 answers
967
Problem on ages (RS AGGARWAL)
Four years ago, the father's age was three times the age of his son. The total of the ages of the father and the son after four years will be 64 years. What is the father's age at present?
Four years ago, the father's age was three times the age of his son. The total of the ages of the father and the son after four years will be 64 years. What is the father...
1 votes
1 answer
968
How to solve this?
If $x+\dfrac{1}{x} = 4$, then what is the value of $x^6 + \dfrac{1}{x^6} ?$ $52$ $256$ $1026$ $2702$
If $x+\dfrac{1}{x} = 4$, then what is the value of $x^6 + \dfrac{1}{x^6} ?$$52$$256$$1026$$2702$
1 votes
3 answers
969
#GeeksforGeeks
Q. A vessel is filled with a solution of, 3 parts soda and 5 parts rum. How much of the solution must be taken out and replaced with soda so that the solution contains equal amount of sod and rum? (A) 8/5 (B) 2/5 (C) 1/5 (D) 5/8
Q. A vessel is filled with a solution of, 3 parts soda and 5 parts rum. How much of the solution must be taken out and replaced with soda so that the solution contains eq...
1 votes
1 answer
970
How to Prepare for Quantitatve Aptitude, Chapter: Number System, Topic: HCF & LCM
Which of the following represents the largest 4 digit number which can be added to 7249 in order to make the derived number divisible by each of 12, 14, 21, 33, and 54.(a...
1 votes
1 answer
971
ages
Ten years ago, P was half of Q's age. If the ratio of their present ages is 3:43:4, what will be the total of their present ages? A. 4545 B. 4040 C. 3535 D. 30
Ten years ago, P was half of Q's age. If the ratio of their present ages is 3:43:4, what will be the total of their present ages?A. 4545B. 4040C. 3535D. 30
0 votes
1 answer
973
self doubt
How many four-digit numbers, with distinct digits are there such that the sum of the digits of each of these numbers is an odd natural number? $2160$ $2090$ $1880$ $2376$
How many four-digit numbers, with distinct digits are there such that the sum of the digits of each of these numbers is an odd natural number?$2160$$2090$ $1880$ $2376$
3 votes
1 answer
974
p(p−1)<0 what is value of p
$p(p−1)<0$ what is value of $p$ please solve step by step options are $(–\infty, 0)$ $(0, 1)$ $(1, \infty)$ $(0, \infty)$
$p(p−1)<0$ what is value of $p$ please solve step by stepoptions are$(–\infty, 0)$$(0, 1)$$(1, \infty)$$(0, \infty)$
2 votes
2 answers
975
clocks
Find the angle between hands of clock at 2:30 p.m in degress
Find the angle between hands of clock at 2:30 p.m in degress
2 votes
1 answer
976
Time and distance
Car A left from X for Y at 9:00 a.m.Car B left from Y to X at 10:00 a.m.XY=180 km. Speed of A and B are 30 and 20 kmph respectively.Find their meeting time
Car A left from X for Y at 9:00 a.m.Car B left from Y to X at 10:00 a.m.XY=180 km.Speed of A and B are 30 and 20 kmph respectively.Find their meeting time
3 votes
1 answer
977
percentage
Ravi's salary before he got an increment was 20% of total income of of his family.His increment was one fourth of his salary after increment.What percentage of total income of his family is his new salary
Ravi's salary before he got an increment was 20% of total income of of his family.His increment was one fourth of his salary after increment.What percentage of total inco...
3 votes
1 answer
978
ratio and proposition
X,Y and Z are 3 quantities.X varies inversely with Y when z is constant.Y varies inversely with Z when X is constant.When Y=8,Z=7 and X=30.Find X if Y=16 and Z=21
X,Y and Z are 3 quantities.X varies inversely with Y when z is constant.Y varies inversely with Z when X is constant.When Y=8,Z=7 and X=30.Find X if Y=16 and Z=21
4 votes
3 answers
979
obtaining head in coin
A coin is tossed 10 times Find the probablity of obtaining head at least once
A coin is tossed 10 times Find the probablity of obtaining head at least once
3 votes
1 answer
980
number of squares
The number of squares that can be formed from 8x8 chess board
The number of squares that can be formed from 8x8 chess board
3 votes
2 answers
981
number of rectangles
The number of rectangles that can be formed on a 8x8 chessboard
The number of rectangles that can be formed on a 8x8 chessboard
3 votes
2 answers
982
Number of ways of inviting atleast one people
Find the number of ways of inviting atleast one among 6 people to a party?
Find the number of ways of inviting atleast one among 6 people to a party?
4 votes
1 answer
983
arrangement of books in shelf
The number of ways of arranging 10 books on a shelf such that 2 particular books are always together is
The number of ways of arranging 10 books on a shelf such that 2 particular books are always together is
4 votes
3 answers
984
How many 3 letter words can be formed from word PRACTICES?
How many 3 letter words can be formed from word PRACTICES?
How many 3 letter words can be formed from word PRACTICES?
6 votes
3 answers
986
NIELIT 2017
aamir and birju can cut 5000 g of wood in 20 min.birju and charles can cut 5000 g of wood in 40 min.charles and aamir can cut 5 kg of wood in 30 min.how much time charles will take to cut 5 kg wood alone??
aamir and birju can cut 5000 g of wood in 20 min.birju and charles can cut 5000 g of wood in 40 min.charles and aamir can cut 5 kg of wood in 30 min.how much time charles...
3 votes
1 answer
987
permutation question
How many ways $10$ roses can be distributed among $3$ girls?
How many ways $10$ roses can be distributed among $3$ girls?
3 votes
1 answer
988
Number System
$N$ is a $4$ digit number If the left most digit is removed the resulting number is $ \frac{1}{9}{th} \ of \ N$ How many such numbers are possible?
$N$ is a $4$ digit number If the left most digit is removed the resulting number is $ \frac{1}{9}{th} \ of \ N$ How many such numbers are possible?
2 votes
1 answer
990
A!*B!*C!=D!, A,B,C are all odd natural numbers and D=10,what is A*B*C?
A!*B!*C!=D!, A,B,C are all odd natural numbers and D=10,what is A*B*C?18910531527Please share approach too,
2 votes
1 answer
991
Calendar
The calendar for the year 2007 will be the same for the year. (a) 2012 (b) 2018
The calendar for the year 2007 will be the same for the year. (a) 2012 (b) 2018
2 votes
1 answer
992
Time Distance
Two trains A and B start simultaneously in the opposite direction from two points A and B and arrive at their destination 9 and 4 hrs respectively after their meeting each other. At what rate does the second train B travel if the fist travel at 80 kmph.
Two trains A and B start simultaneously in the opposite direction from two points A and B and arrive at their destination 9 and 4 hrs respectively after their meeting eac...
2 votes
2 answers
994
Ratio and Proportion
$96$ is divided into two parts in such a way that seventh part of first and ninth part of second are equal. Find the smallest part? 38 40 42 48
$96$ is divided into two parts in such a way that seventh part of first and ninth part of second are equal. Find the smallest part?38404248
1 votes
1 answer
995
areas and squares
Find the minimum number of square tiles required to pave the floor of a room of 3m 25cm long and 2m 50cm broad? 144 130 156 168
Find the minimum number of square tiles required to pave the floor of a room of 3m 25cm long and 2m 50cm broad? 144 130 156 168
2 votes
2 answers
996
Time and Work
Q1)Srinu is 50% more efficient than Murali.If Srinu takes 20 days to finish a job then Murali will take how much time?
Q1)Srinu is 50% more efficient than Murali.If Srinu takes 20 days to finish a job then Murali will take how much time?
2 votes
1 answer
997
Ratios
From a container of wine, a thief has stolen 15 litres of wine and replaced it with same quantity of water. He repeated the same process and thus in three attempts the ratio of wine and water became 343:169. The initial amount of wine in the container was ____ litres.
From a container of wine, a thief has stolen 15 litres of wine and replaced it with same quantity of water. He repeated the same process and thus in three attempts the ra...
3 votes
2 answers
998
Perfect cube
Find the smallest number $y$ such that $y \times 162$ $(y$ multiplied by $162)$ is a perfect cube. $A)24$ $B)27$ $C)32$ $D)36$
Find the smallest number $y$ such that $y \times 162$ $(y$ multiplied by $162)$ is a perfect cube.$A)24$ $B)27$ $C)32$ ...
1 votes
1 answer
999
what is the difference between
What is the difference between $(\log^2) (n),\log^2 n, \log (\log(n))$ and $(\log(n)) ^2?$
What is the difference between $(\log^2) (n),\log^2 n, \log (\log(n))$ and $(\log(n)) ^2?$
2 votes
1 answer
1000
volume and surface area
a hollow iron pipe is 21cm long and its external diameter is 8cm. if the thickness of the pipe is 1 cm and iron weigth is 8 g/cm3 then the weigth of the pipe is?
a hollow iron pipe is 21cm long and its external diameter is 8cm. if the thickness of the pipe is 1 cm and iron weigth is 8 g/cm3 then the weigth of the pipe is?
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