solve (7x+4y)/(x-2y) if (x/2y)=(3/2)
Answers were Sorted based on User's Feedback
Answer / eashwaramoorthy.k
sol:
given (7(3)+4(1))/(3-2(1))
=(21+4)/(3-2)
=25/1
=25
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / kee
x/2y=3/2 x/y=6/2 x/y=3 x=3y
(7x+4y)/(x-2y)=
=(7(3y)+4y)/3y-2y
=(21y+4y)/y
=25y/y
=25
Is This Answer Correct ? | 0 Yes | 0 No |
If the % of defective balls is 10% balls,and the number of defective balls is 5.The number of balls is
1.A SHOP KEEPER SELLS 10 TOFEES FOR A RUPEE, GAINING THEREBY 20%. HOW MANY DID HE BUY FOR A RUPEE? 2.IF 2A=3B=4C, THEN A:B:C IS/ 3.IF THE SELLING PRICE OF AN ARTICLE IS 4/3 TIMES OF ITS PRICE,THEN THE PROFIT PERCENTAGE IS/
9 Answers Mannar Company, TNPSC Tamil Nadu Public Service Commission,
Why RSD of area limit is 15?
A person wanted to withdraw X rupees and Y paise from the bank. But cashier made a mistake and gave him Y rupees and X paise. Neither the person nor the cashier noticed that. After spending 20 paise, the person counts the money. And to his surprise, he has double the amount he wanted to withdraw. Find X and Y
George while driving along the highway saw road markers which are at equal distances from each other. He crosses the markers every 20 seconds. If he increases his speed by x meters per second, he crosses the markers at every 15 seconds. But if he increases his speed by y meters per second, he crosses the marker at every 10th second. If y-x = 40 meters per second, then what is the distance between two markers.
What is the optimum number of operations for 2*(x**3)+3*(x**2)+5*x+5?
A lorry averages 55mph for the first 4 hours of a trip and averages 70 mph for each additional hour. The average speed for entire trip was 60 mph. How many hours long is the trip? a)14 b)12 c)11 d)8 e)6
Can I get the placement for Air Inia Air Transport Ltd. exam for the post of Junior Executive Technical. Please let me know if any one knows and mail it to my id : pushpalatasudke@yahoo.com
falling height is proportional to square of the time. one object falls 64cm in 2sec than in 6sec from how much height the object will fall.
Two trains start from A & B and travel towards each other at speed of 50kmph and 60kmph resp. At the time of the meeting the second train has traveled 120km more than the first. The distance between them is
One day the Finance minister decides that the country should have only 33 paise and 56 paise.If there are two traders having enough change in the two denominations, what is the minimum amount for which they can transact?
What is degree of a Relation?