in a mixture R is 2 parts and S is 1 part. In order to make
S to 25% of the mixture how r is needed ? give the steps
plz.....
Answer Posted / antony kurian
Its very simple..
consider the fraction of s in the mixture = 1/3
So if we add one more R the the fraction wil be = 1/4
Automaticaly S becomes 25% of the mixture
| Is This Answer Correct ? | 41 Yes | 6 No |
Post New Answer View All Answers
A hotel has two,the east wing and the west wing.some east wing rooms but not all have an ocean view(OV).All WW have a harbour view(HV).The charge for all rooms is identical, except as follows * Extra charge for all HV rooms on or above the 3rd floor * Extra charge for all OV rooms except those without balcony * Extra charge for some HV rooms on the first two floor&some EW rooms without OV but having kitchen facilities.
Jack and Jill went up and down a hill. They started from the bottom and Jack met Jill again 20 miles from the top while returning. Jack completed the race 1 min a head of Jill. If the hill is 440 miles high and their speed while down journey is 1.5 times the up journey. How long it took for the Jack to complete the race ?
There is a 4 inch cube painted on all sides. This is cut down into of 1 inch cubes. What is the no of cubes which have no pointed sides.
A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?
two, trains, one from howrah to patna and the other from patna to howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. What is the ratio?
epaulet : shoulder : : ring :?
Complete the series 2, 7, 24, 77,__ (hint: 2*12= 24, 7*11= 77, therefore 24*10= 240)
x + 4 y relation between x and y is x/2y = 3/2 ie x = 3y find the x -2y ratio
If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km ans) 20 &
If 20 men take 15 days to to complete a job, in how many days can 25 men finish that work?
find the next term 0, 6, 24, 120, -
Hi, pls send the sample indian bank PO exam question papers and answers.
In a classroom, a student is ranked 12th from right and 9th from left. How many students are there in total?
A cylinder is inserted in a sphere d/h = 2/3. Find the surface area of the cylinder ?
Difference between the perimeters of two concentric circles is 66. Find the difference between radius.