While watching T.V. from 7 PM to 8 P.M you count 20 commercials such 30 seconds long. What nearest per cent of the hour is taken by the commercials?
17%
16%
15%
14%
One Reon sign blinks every 6 seconds. Another's neon sign blinks every 8 seconds. If they link together and you begin counting seconds how many seconds after they will next blink together:
4 seconds
10 seconds
14 seconds
24 seconds
Point x is in North of point y and point y is in East of point z. To which direction is point x with respect to z?
North
West
North East
North West
In a cage there are pigeons and rabbits. They have 20 heads and 48 feet. How many rabbits are there?
6
4
8
10
A father is 5 times as old as his son. In 15 years, the father will be twice as old as his son. How old the father is at present?
20 years
25 years
30 years
35 years
The numerical relation between two groups or the quantities having same units is known as.