11. |
A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D? |
|||||||
|
12. |
The 30 members of a club decided to play a badminton singles tournament. Every time a member loses a game he is out of the tournament. There are no ties. What is the minimum number of matches that must be played to determine the winner ? |
|||||||
|
13. |
In a garden, there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is |
|||||||
|
14. |
12 year old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul ? |
|||||||
|
15. |
A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces. He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes ? |
|||||||
|