18
75% of a number is equal to four-fifth of another number.What is the ratio between the first number and the second number respectively ?
- A16:15
- B15:14
- C5:6
- D15:16
Answer not set
Log in or create a free account to reply and vote.
0
CCommunity
Solution
Let the two numbers be p,q
75% of p means 75/100*p or
3/4 of p, 4/5 of other number means 4/5q.Both are equal.
Hence,3/4p=4/5q hence,p/q=16/15.
Hence the ratio is 16:15,hence, A
Let the two numbers be p,q
75% of p means 75/100*p or
3/4 of p, 4/5 of other number means 4/5q.Both are equal.
Hence,3/4p=4/5q hence,p/q=16/15.
Hence the ratio is 16:15,hence, A
0
CCommunity
Solution
Let the two numbers be p,q
75% of p means 75/100*p or
3/4 of p, 4/5 of other number means 4/5q.Both are equal.
Hence,3/4p=4/5q hence,p/q=16/15.
Hence the ratio is 16:15,hence, A
Let the two numbers be p,q
75% of p means 75/100*p or
3/4 of p, 4/5 of other number means 4/5q.Both are equal.
Hence,3/4p=4/5q hence,p/q=16/15.
Hence the ratio is 16:15,hence, A