Related Questions

A buzzer sounds every 15 minutes. If the buzzer sounded at 12:40 pm, which of the following could be a time at which the buzzer had sounded before?
A 4:05 AM
B 5:30 AM
C 7:15 AM
D 8:10 AM
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 bell rings every 15 minute. If the bell rang at 12.40, which of the following could be a time at which the bell had sounded?
A 5:30
B 6:45
C 7:15
D 8:10
A can complete a certain work in 4 minutes, B in 5 minutes, C in 6 minutes, D in 10 minutes and E in 12 minutes. The average number of units of work completed by them per minute will be
A 0.40
B 0.16
C 0.80
D None of these
Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?
A $$\frac{5}{{11}}$$
B $$\frac{6}{{11}}$$
C $$\frac{7}{{11}}$$
D $$\frac{8}{{11}}$$
In every 30 minutes the time of a watch increases by 3 minutes. After showing the correct time at 5 a.m. What time will the watch show after 6 hours?
A 10:54 am
B 11:30 am
C 11:36am
D 11:42am
If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxes produced by Salam to the number of boxes produced by Kalam if they work 5 hours and 50 minutes?
A 5 to 6
B 5 to 7
C 6 to 5
D 7 to 5
If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxes produced by Salam to the number of boxes produced by Kalam if they work for 5 hours and 50 minutes?
A 5 to 6
B 5 to 7
C 6 to 5
D 7 to 5
If Elias makes a box every 5 minutes and Nadim takes minutes to make a box, what will be the ratio of the number of boxes produced by Elias to the number of boxes produced by Nadim if they work for 5 hours and 50 minutes?
A 5 to 6
B 5 to 7
C 6 to 5
D 7 to 5
The Chairman entered in the Assembley Hall at 10 minutes before 12.30 pm to conduct the interview. The Chairman was 20 minutes earlier than the Managing Director. The Managing Director was 30 minutes late as per the time fixed. What was the time fixed for interview?
A 12.50 pm
B 12.10 pm
C 12.40 pm
D 12.00 pm

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