Related Questions

A watch which gains 5 seconds in 3 minutes was set right at 7am . In the afternoon of the same day when the true time is 1 pm, the watch will indicate :
A 1:10pm
B 12:55pm
C 1:05pm
D 1:08pm
Machine A produces bolts at a uniform rate of 120 every 40 seconds and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously , how many seconds will it take for them to produce a total of 200 bolts.
A 22
B 25
C 28
D 32
Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds will it take for them to produce total of 200 bolts?
A 22
B 25
C 28
D 32
John, Jack, Joseph and Jordan participated in a running race. Only the winner finished the race in 10 minutes. Which two pieces of information can tell you who the winner was? (i) John finished the race in 16 minutes . (ii) Joseph finished the race earlier than Jack by 2 minutes. (iii) Jack finished the race later than Jordan by 4 minutes. (iv) Jordan finished the race earlier than John by 6 minutes. (v) John finished the race later than Joseph by minutes.
A I and II
B I and IV
C II and III
D II and V
A watch which gains 5secons in 3 minutes was set a 7am. In the afternoon of the same day when the true time is 1pm,the watch will indicate-
A 1 : 05 pm
B 1 : 10 pm
C 1 : 12pm
D 12 : 55pm
On selling a chair at 7% loss and a table at 17% gain, a man gains Tk 296. If he sells the chair at 7% gain and the table at 12% gain, then he gains Tk. 400. The actual price of the table is ---
A Tk. 2400
B Tk. 2200
C Tk. 1800
D Tk. 1600
In a certain country, a person is born in every 5 seconds and a person dies every 13 seconds. Therefore the birth and death and death rates account for a population growth rate of one person every-
A 0.123sec
B 9sec
C 8sec
D 8.125sec
In a certain country a person is born every 7 seconds and a person dies every 13 seconds. Therefore, the birth and death rates account of a population growth rate of one person every-0
A 4.5 seconds
B 6 seconds
C 15.17 seconds
D 20 seconds
In a certain country. A person is born every 7 seconds and a person dies every 10 seconds. Therefore, the birth and death rates account for a population growth rate of one person every---
A 4.5seconds
B 6 seconds
C 15.17 seconds
D 20 seconds
In a certain country, a person is born every 7 seconds and a person dies in every 13 seconds. Therefore, the birth and death rates account for a population growth rate of one person every----
A 4.5 seconds
B 6 seconds
C 15.17 seconds
D 20 seconds

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