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Concentrations of three wines A, B and C are 10, 20 and 30 percent respectively. They are mixed in the ratio 2 : 3 : x resulting in a 23% concentration solution. Find x.
A man has 2 cows of total cost 200 rupees. He sold them for 210. For 1 cow he had a profit of 10% and for the other he had a loss of 10%. What is the price of each cow?
Sum of money at compound interest amounts of thrice itself in 3 years. In how many years will it take 9 times itself.
Find perimeter of a trapezium with 3 sides given and distance between parallel sides given.
wind flows 160 miles in 330 min, for 80 miles how much time required.
What is the selling price of a car? If the cost of the car is Rs.60 and a profit of 10% over selling price is earned.
A man sells apples. First he gives half of the total apples what he has and a half apple. Then he gives half of the remaining and a half apple. He gives it in the same manner. After 7 times all are over. How many apples did he initially have?
The base 5 representation of the decimal number 2048 is _____.
Hi Guys. I am an Instrumentation and Control Engineer(ICE) and have filled various PSU entrance exam forms. I wanted to know if anyone of you out there had any material for the preparation of the same. Any sort of material will be greatly appreciated. Be it previous year questions (Aptitude, GK or Technical) , study material or links to websites which do have this material. PSUs that I am going to appear in are HPCL, SAIL, ECIL and finally Gate. Any suggestions and advice is greatly welcomed. My E-Mail ID is kris_sreekanth86@yahoo.co.in
g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?
A soldier looses his way in a thick jungle at random walks from his camp but mathematically in an interesting fashion. First he walks one mile east then half mile to north. Then 1/4 mile to west, then 1/8 mile to south and so on making a loop. Finally hoe far he is from his camp and in which direction.
Ramesh working alone on a job takes 12 days more than what he would have taken if Suresh had worked along with him while Suresh working alone on the same job takes 27 days more than what he would have taken if Ramesh had worked along with him. Find the time that both of them would take together to do the job.
720 buses operate from a depot, but 168 are being repaired. What percentage of the total that are in service?
B is 20 miles east of A. D is 30 miles east of C. E is 10 miles north of D. C is 20 miles north of B. How far E is from A?
If a bat costs Rs.30 in the year 1999 and Rs.250 in the year 2000.What is the percent increase in price?
