The marked price of a machine is $1200. How much will it cost if there is a discount of 20% for cash?
A $1 440
B $1 180
C $ 960
D $ 240
When the price of a dress is reduced by 12%, it is sold for $2 156. What was the original price?
A $3 356
B $2 450
C $2 415
D $2 168
The ratio of two numbers is 4:5. If the larger number is 300. What is the smaller number?
A 192
B 133
C 240
D 720
The cost of a telephone call is $30.00 for the first 3 minutes and $9.00 for each additional minute. What is the cost of a telephone conversation which lasted for 10 minutes?
A $39.00
B $93.00
C $99.00
D $1.53
What percentage of 30 is 12?
A 10
B 42
C 36
D 40
An article bought for $150 was sold for $225. The percentage profit was?