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?

A. 2
B. 3
C. 6
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 ?

A. 15
B. 29
C. 61
D. None of these


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

A. 20 m
B. 22 m
C. 24 m
D. 26 m


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 ?

A. 14 years
B. 16 years
C. 18 years
D. 20 years


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 ?

A. 32 rolls
B. 54 rolls
C. 108 rolls
D. 120 rolls