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1
A snail is at the bottom of a 20-foot well. Each day, it climbs up 3 feet, but at night, it slips back 2 feet. How many days will it take for the snail to reach the top of the well?
A.18 days
B.20 days
C.22 days
D.28 days
2
A bat and a ball together cost $1.10. The bat costs $1.00 more than the ball. What is the cost of the ball?
A.$0.05
B.$0.10
C.$0.95
D.$1.05
3
A woman has two coins that add up to 30 pence. One coin is not a 15-pence coin. What are the two coins?
A.10p and 20p
B.15p and 15p
C.5p and 25p
D.20p and 10p
4
Complete the series: 64, 66, 68, 70, ?
A.71
B.72
C.73
D.74
Explanation: The series increases by 2.
5
You are in a room that has 3 light switches. Each switch corresponds to one of three light bulbs in a room. Each light bulb is either on or off. You can turn the lights on and off as many times as you want, but you can only enter the room one time to observe the bulbs. How can you figure out which switch corresponds to which light bulb?
A.Turn switch 1 to the 'on' position for 5 minutes, then turn it off. Turn switch 2 to the 'on' position, then enter the room
B.Turn switch 1 to the 'on' position for 5 minutes, then turn it off. Turn switch 2 to the 'on' position and immediately enter the room
C.Turn switch 1 to the 'on' position, then turn it off. Turn switch 2 to the 'on' position, then turn it off. Turn switch 3 to the 'on' position, then enter the room
D.Turn switch 1 to the 'on' position, then turn switch 2 to the 'on' position, then turn switch 3 to the 'on' position, then enter the room
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