CFAT Problem Solving

Question 1

A lamp's watt rating is 60. After 10 hours of operation, how many kWh does it consume?

Accepted Answer

0.6 kWh

Answer

0.06 kWh

Answer

6 kWh

Answer

16 kWh

Question 2

A pair of identically dense balls, one big and one small, are rolled in the same direction 
at the same pace. What will happen to the bigger ball when they collide?

Accepted Answer

Continue Forward

Answer

Be propelled backward

Answer

Jump over the small ball

Answer

Be propelled backward

Question 3

A swimming pool measuring 22 feet long, 10 feet broad, and 5 feet tall holds how many 
cubic feet of water?

Accepted Answer

1100

Answer

5500

Answer

550

Answer

2200

Question 4

A pie is sliced so that one piece, one-quarter of the pie, is twice the size of the other 
portions. How many pieces of pie are cut?

Accepted Answer

7

Answer

4

Answer

8

Answer

3

Question 5

Rose buys 7 apples, gives three to Samantha, and then gives Gary half of what is left. 
How many apples does Gary receive?

Accepted Answer

2

Answer

1

Answer

4

Answer

3

Question 6

If one officer is assigned to every 16 privates in the army, how many officers are there in a 
regiment of 1,105 officers and privates?

Accepted Answer

65

Answer

69

Answer

62

Answer

67

Question 7

If a child can run 10 metres while a car travels 30 metres, how far can the child run if the 
automobile travels 66 metres?

Accepted Answer

22

Answer

25

Answer

12

Answer

15

Question 8

Employees at a discounted appliance store get an extra 20% off the lowest price on any 
item. If an employee buys a dishwasher during a 15% discount sale, how much will he pay 
if the appliance was originally $450?

Accepted Answer

$306.00

Answer

$292.50

Answer

$280.90

Answer

$287.00

Question 9

A car's selling price is $12,590, which is 20% off its original price. What was the initial 
price?

Accepted Answer

$15,737.50

Answer

$14,990.90

Answer

$15,108.00

Answer

$14,310.40

Question 10

A box contains 28 blue pencils and 7 black pencils. What is the ratio of the black and 
blue pens?

Accepted Answer

1:4

Answer

1:9

Answer

2:7

Answer

1:8

A lamp's watt rating is 60.After 10 hours of operation, how many kWh does it consume?

A lamp's watt rating is 60.
After 10 hours of operation, how many kWh does it consume?