Answer Posted / s.rajendran
Given:
y/x = 1/3
x+2y = 10
Solution:
if y/x = 1/3, then
x = 3y
therefore, 3y + 2y = 10
so, y = 10/5 = 2
substitute y = 2 in x + 2y = 10
therefore, x + 4 = 10
it gives the answer x = 6
x = 6.
| Is This Answer Correct ? | 5 Yes | 2 No |
Post New Answer View All Answers
aptitude questions
The cycle has following specifications: The rear derailer is on the 14 tooth gear and the front derailer is on the 52 tooth gear. The rear gear has 14 teeth. The diameter of the rear wheel is 27". If a cyclist pedals at 75 revolutions per minute, then what will be the speed achieved?
One passage was on playing cards. know how many diamonds and etc.
sir i need rrb secunderabad goods guard previous exam model papers
In a lock of 4 rings there r five characters how many unsuccessful attempts can be made ?
the matrix of a(7,9) was given.the address of the first byte of a(1,1)=1258.it takes 4 bytes to store the nuymber. then calculate the address of the last byte of a(5,8)
58,27,12,x,2,1. Find x.
wind flows 160 miles in 330 min, for 80 miles how much time required.
Why do we buy you?
A cubical rectangular bar has the dimensions with the ratio 5 : 4 : 3. Its volume is 7500. What is the surface area of the bar?
Argentina had football team of 22 player of which captain is from Brazilian team and goalie from European team. For remaining player they have picked 6 from argentine and 14 from European. Now for a team of 11 they must have goalie and captain so out of 9 now they plan to select 3 from Argentinean and 6 from European. Find out no of methods available for it. (2 marks)
A company installed 36 punching machines at the begining of the year.In the spring they installed 9 additional m/c's and then discontinued 18 in the fall.How many were still installed at the end of the year?
Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?
sir iam asking you assistant stastical officer previous question paper
A son and father go for boating in river upstream. After rowing for 1 mile son notices the hat of his father falling in the river. After 5 min. he tells his father that his hat has fallen. So they turn around and are able to pick the hat at the point from where they began boating after 5 min. tell the speed of river.