-
in a company 30% are supervisors and 40% employees are male if 60% of supervisors are male. What is the probability? That a randomly chosen employee is a male or female?
manoj004ece
- Nov 2nd, 2010
Many of them said answer is 0.4 but it s correct only when they ask what us
the problem of choosing male, but in question they have clearly given male or
female, so at any point of time if we choose an employee either it should be male
or female, so the prob s 1. This is correct answer
-
A man has to get air-mail. He starts to go to airport on his motorbike. Plane comes early and the mail is sent by a horse-cart. The man meets the cart in the middle after half an hour. He takes the mail and returns back, by doing so, he saves twenty minutes. How early did the plane arrive?
Abikumar
- Oct 22nd, 2010
The answer is 10, since he saves 20 min, the distance covered is two(i.e) gone n come back........20/2=10
-
Scott is jogging from point X to Y. 30 minutes later his friend Garrett who jogs 1 mile per hour slower than twice Scott 's rate starts from the same point and follows the same path. If Garrett overtakes Scott in 2 hours, how many miles will Garrett have covered?? a)11/5 b)10/3 c)4 d)6
chsivateja
- Nov 11th, 2010
First in the given problem we have to find what is constant.....It is distanceso equating distance of both x and yd1=d2? ----------(i)given G has covered l mile/hr less than twice the velocity(rate) t...
-
3 men finish painting a wall in 8 days. Four boys do the same job in 7 days. In how many days will 2 men and 2 boys working together paint two such walls of the same size? a) 6 6/13 days b) 3 3/13 days c) 9 2/5 days d) 12 12/13 days
prititripathi
- Nov 9th, 2010
Ans is 6 6/13to calculate it 1. 3 men in=1/8 days so 1 men in =1/24similarly 1 boy in=1/28so now calulate for 2 men n 2 boy together=1/12+1/14which is for 1 wallnow for 2 wall it will b=(1/12+1/14)/2
-
Exact Time
A clock was set right at 5 am then it loses 16 minutes every day, on the 4th day when it shows 10 am, What is the exact time?
-
Increase in Percentage
The productivity of a team of programmers is given by the function P(N) = 4000 √N, where N is the total strength. Find the percentage change in productivity if the strength of the team is increased by 1%.(a) 0.75% (b) 0.25%(c) 0.5%(d) 1%(e) 2%
mahaeie
- Nov 13th, 2010
p(n)=4000 a`s`nincrease in 1%= 1+0.01=1.01p(1.01n)=4000 a`s`(1.01n)inc in productivity=[p(1.01n)-p(n)]/p(n) &nb...
-
5 Litre Jug
A 5 litre jug contains 4 litres of a salt water solution that is 15 percent salt. If 1.5 litres of the solution spills out of the jug, and the jug is then filled to capacity with water, approximately what percent of the resulting solution in the jug is salt?
-
Ans
A lady was out for shopping. She spent half of her money in buying Aand gave 1 dollar to bagger. Further she spent half of her remainingmoney and gave 2 dollar to charity. Further she spent half ofremaining money and gave 3 dollars to some children. Now she is been leftwith 1 dollar. How much money she had in the beginning?
-
Difference Between Weight of 3 Boxes
There are three different boxes A,B and C. Difference betweenweights of A and B is 3 kgs. And between B and C is 5 kgs. Then whatis the maximum sum of the differences of all possible combinationswhen two boxes are taken each time.
Naveen Nelavelli
- Nov 13th, 2010
Let us consider the weight of box A is xdifferance b/w A and B box weights is 3 so?? B weight =x+3diffe b/w B&C is 5 so?C weight = x+3+5 ???????????????? =x+8?one more combination ...
-
Percent
Amal bought 5 pens, 7 pencils and 4 erasers. Rajan bought 6 pens, 8 erasers and 14 pencils for an amount which was half more than what Amal had paid. What % of the total amount paid by Amal was paid for pens?
mahaeie
- Nov 15th, 2010
5*pen+7*pencil+4*eraser=x;6*pen+14*pencil+8*eraser=x+0.5x=1.5x;7*pencil=x-5*pen-4*eraser;--> eq114*pencil=1.5x-6*pen-8*eraser=> 7*pencil=(1.5*x-6*pen-8*eraser)/2;-->eq2x-5*pen-4*eraser=0.75x-...
-
Cable Cost
A telephone cable is to be run from a junction point on the bank of a river 900 meters wide to an office that is located 3000 meters downstream on the opposite bank. If the cost of laying cable under water is Rs. 5 per meter and that of laying overhead on land is Rs. 4 per meter, find the point downstream where the cable is to cut across the river.(a) 450(b) 1800(c) 2800(d) 2100(e) 2700
-
The size of a program is N.And the memory occupied by the program is given by M=square root of 100N.If the size of the program is increased by 1% then how much memory now occupied?
Akshaya
- Sep 21st, 2007
Answer is 0.5% bcoz...take n=100?then?memory m=sqrt(100n)=sqrt(10000)=100Increase n by 1% thenn=101?then memory m=sqrt(100n)=sqrt(10100)=100.5then memory will be increased by 0.5%
-
One fast typist type some matter in 2hr and another slow typist type the same matter in 3hr. If both do combinely in how much time they will finish.
1hr 12min
isha verma
- Nov 23rd, 2010
It is a time and work problemhere1/no of hours of fast typist+1/no of hours of slow typist=1/total no of hours1/2+1/3=5/6so total no of hours=6/5=1.2=1 hour 12 mins
anil kumar
- Aug 16th, 2007
Can you please explain how to you formulate this formula??
-
Two Candles of Equal Lengths
There are two candles of equal lengths and of different thickness. The thicker one lasts of six hours. The thinner 2 hours less than the thicker one. Ramesh lights the two candles at the same time. When he went to bed he saw the thicker one is twice the length of the thinner one. How long ago did Ramesh light the two candles?
-
Shootiong Time
Sometime after 10.00pm a murder took place. A witness claimed that the clock must have stopped at the time of the shooting. It was later found the position of both the hands were the same but their positions had interchanged. Tell the time of the shootinga)11.54 b)11.54 c)12.35 d)10.50
-
Local Time of Landing
An aircraft takes off from A (89o N Lat, 10o E Long) at 2.00 AM local time to B (32o N Lat, 70o W Long). If the flying time is 10 hours what is the local time of landing at B?(a) 5.40 AM
(b) 4.00 AM
(c) 6.40 AM
(d) 7.00AM
(e) 8.00AM
harsha1000
- Dec 11th, 2010
In this problem longititude is unwanted.only latitude is what thats going to determine.so,70-10=60' for each 1' change it takes 5 mins,so 60'*5=300 mins2+10hrs=12 a.m localtime.?12-5hrs=7 a.m
pravesh28
- Apr 2nd, 2010
ans----cmagnitude difference is 80 digreefor this duration time change 80*4 eqals 320 minute5 hour 20 minutefor 12 hour journey12- 5hour 20that is 6 hour 40 minute ans
-
Find the value and Express in Decimal
If A= 0 0 0 0 1 1 1 1B= 0 0 1 1 0 0 1 1C= 0 1 0 1 0 1 0 1Then find the value of [A U C] U B and express it in decimal.
-
Orange Pulp
Juice contains water and orange pulp in the ratio of 3:1. For making 12l juice, How much Orange pulp will be required?
tryforpavan05
- Dec 17th, 2010
in 1 lt.. of juice 3/4th of water is present and 1/4 of orange...in 12 lt.. of juice 9lt of water and 3 lt of orange is present hence 3 pulps of orange are req for 12 lt juice :)
-
Gavaskar average in first 50 innings was 50. After the 51st innings his average was 51 how many runs he made in the 51st innings
-
If a factory manufactures 7200 bottles in 1 hour, how much does it manufactures in 1 second?a)120b)2C)1200d)60
Aptitude Interview Questions
Ans