Ratios and Proportions

1) Find the ratio between 6 dollars to 25 cents
A) 25:2
B) 24:5
C) 24:1
D) 25:10

2) What is the compounded ratio of (5 : 3),(6 : 5) and (11 : 3)
A) 22:3
B) 11.:5
C) 10:6
D) 17:12

3) Find out the third proportion to 0.27 to 0.45?
A) 0.75
B) 1
C) 2
D) 3

4) The price of Computer and CD player are in the ratio 6:5. If the computer costs Rs. 5000 more than CD player.  What is the price of the computer?
A) 25,000
B) 15,000
C) 50,000
D) 30,000

5) If Rs. 582 be divided into three parts, proportional to 1/2:2/3:3/4, then the first part is?
A) 161
B) 151.8
C) 142
D) 153