Shyam can do a job in 20 days, Ram in 30 days and Singhal in 60 days. If Shyam is helped by Ram and Singhal every 3rd day, how long will it take for them to complete the job?
12 days
16 days
15 days
10 days
A college has 10 basketball players. A 5-member team and a captain will be selected out of these 10 players. How many different selections can be made?
1260
210
10C6 * 6!
10C5 * 6
I travel the first part of my journey at 40 kmph and the second part at 60 kmph and cover the total distance of 240 km to my destination in 5 hours. How long did the first part of my journey last?
4 hours
2 hours 24 minutes
2 hours
3 hours
By walking at 3/4th of his usual speed, a man reaches office 20 minutes later than usual. What is his usual time?
30 min
60 min.
70 min
50 min
If the price of petrol increases by 25% and Raj intends to spend only an additional 15% on petrol, by how much % will he reduce the quantity of petrol purchased?
10%
12%
8%
6.67%