Related Questions

Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?
A 10%
B 20%
C 37%
D 40%
If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent less than xz?
A 10%
B 20%
C 37%
D 40%
In a group of students, 80% of the students weigh less than 60 kg and a total of 32 student weigh less than 50 kg. If 60% of the students weigh at least 50 kg, how many of the students weigh at least 50 kg but less than 60 kg?
A 32
B 36
C 40
D None of these
If w is 10% less than x and y is 30% less than z , then wy is what percent less than xz ?
A 10%
B 20%
C 37%
D 40%
if w is 10% less than x and y is 30% less than z , then wy is what persent less than xz ?
A 10%
B 20%
C 37%
D 40%
The salary of X is 30% less than that of z and the salary of Y is 37% less than that of Z. what percent is the salary of Y less than that of salary x?
A 7%
B 9%
C 10%
D None

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