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At a certain bookstore , the regular price of each book is 20 percent less than its list price. If during a sale the price of each book at the store was 15 percent less than its regular price, then the price of a book during the sale was what percent less than its list price ?
The relation between intensity of wind pressure P and velocity of wind V is taken as
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?
Four subjects ---physics, Chemistry, Mathematics and Biology ---were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the chemistry period scheduled? 1. Mathematics period ended at 10.00 a.m, which was preceded by Biology. 2. Physics was scheduled in the last period. 3. Mathematics period was immediately followed by Chemistry.
If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?
If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent less than xz?
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?
If w is 10% less than x and y is 30% less than z , then wy is what percent less than xz ?
if w is 10% less than x and y is 30% less than z , then wy is what persent less than xz ?
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?