In a mixture, R is 2 parts and S is 1 part. In order to
make S to 25% of the mixture, how much of R is to be added?
explain how can i solve it??
Answers were Sorted based on User's Feedback
Answer / brijrat
suppose mix=x
r:s=2:1
than
r=2x/3 and s=x/3
acc. to question
let part lost by s is y to become 25% of mix
x/3-y=25x/100=x/4
y=x/3-x/4
=x/12
hence r is to be added
=((x/12)/x)*100 % of mixture=8.33%
| Is This Answer Correct ? | 10 Yes | 4 No |
Answer / kannan
2:1
100% na 2:1
ie r =2 and s=1
50% na 4:.5
25% na 8:.25
therefore r=8
| Is This Answer Correct ? | 0 Yes | 8 No |
The driver of a car diving @ 376 km/hr locates a bus 40 meters ahead of him. After 20 seconds the bus is 60 meters behind . the speed of the bus is:
5625 ÷ 75 + √¯x = x (a) 441 (b) 400 (c) 361 (d) 484 (e) None of these
the program size is N. the memory occupied by the program is M=4000sqrt(N).if the program size is incresed by 1%.then what is the percentage increase in memory.
Please,let me know the RRB question papers for Junior Engg.Electrical & Electronics Engg post.Thank You
what is the lcm of under root 2 and under root 3
A batsman scored 18 runs in his 18th innings and that makes his average 18. Find his average upto the 17th innings?
The owner of a hobby store needed to calculate the percentage of customers who purchase wood glue. Upon completing his survey, he noticed that 60% of the people that entered his store purchased an item. Of those customers, 15 percent purchased wood glue. What percent of the people that entered the store purchased wood glue?
7 Answers Accenture, CTS, Infosys, Wipro,
Cost of an item is Rs 12.60 ,profit is 10% over selling price.
X and Y are partners in a business. X invests 300 for 12 months and Y invested 600 for 6 months. If they gain a profit of 700 at the end of one year, what is X's share?
In a Cricket Match Two Batsmen are on 94 . 7 more runs to win from 3 ball remains. Both of them got unbeaten 100. How it is possible
43 Answers BPO, Infosys, Wipro,
Can anyone send me SBI clerical staff exam model question paper to my mail id. Sandhya.b12@gmail.com
Imagine 4 persons A,B,C,D.(It is a strength determining game). A found it hard,but could pull 'c' and 'd' to his side. AC and BD pairs on opposite sides found themselves equally balanced. When A and B exchanged their positions to form pairs AD and BC ,BC pair could win and pull AD to their side.Order the 4 persons in Ascending order according to their strengths.