If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?
In A,B,C are having some marbles with each of them. A has giben B and C the same number of marbles they already have to each of them. then, B gave C and A the same no. of marbles they have, then C gave A and B the same no. of marbles they have. At the end A,B,and C have equal no. of marbles. (i) If x,y,z are the marbles initially with A,B,C respectively. then the no of marbles B have at the end (a) 2(x-y-z) (b) 4(x-y-z) etc. (ii)If the total no. of marbles are 72, then the no. of marbles with A at the starting a. 20 b. 30 c. 32
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proof of volume of cone=volume of cylinder/3
Asian paints takes a contracts to paint 3 houses. Mr. White can paint a house in 6 days while Mr.Blue would take 8 days and Mr.Red 12 days. After 8 days Mr.White goes on a holiday and Mr. Blue begins to work for a period of 6 days. How many days will it take Mr.Red to complete the work?
A man said to woman " your only brother's son is my wife'sbrother". How is the woman related to the man's wife..
Susan wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does she need?
A persons age is similar to the year he was born(last two digits is counted as age).
What do you think are your personal strengths and what are the areas where you need to improve as an individual?
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In Madras, temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm.
. In june a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50% .How many games must the team have won in a row to attain this average?
A number, when it is divided by 8 it gives a remainder 3 and is divisible by both 3 and 5. Find the number.