# There are two buildings P and Q. If 35 persons sent from P to Q.............How many persons are there in building in P?

45 views

There are two buildings P and Q.
If 35 persons sent from P to Q, then the number of persons in each building is the same.
If 60 persons are sent from Q to P, then the number of persons in P is double the number of persons in Q.
How many persons are there in building in P?

posted 6 days ago

320

P-35=Q+35 --> (1)
(Q-60)*2=P+60 --> (2)
(1)--> P=Q+70
(2) --> 2Q-120=Q+70+60 --> Q=250 --> P=320

Similar Puzzles
+1 vote

There are two buildings P and Q. If 93 persons are sent from P to Q, then the number of persons in each building is the same. If 109 persons are sent from Q to P, then the number of persons in P is double the number of persons in Q. How many persons are there in building P and building Q?

There are two buildings P and Q.
If 75 persons are sent from P to Q, then the number of persons in each building is the same.
If 105 persons are sent from Q to P, then the number of persons in P is double the number of persons in Q.
How many persons are there in building P?