Trick Quiz
Questions: 16 · 10 minutes
1. A bat and a ball cost $1.10 in total. The bat costs exactly $1 more than the ball. How much does the ball cost?
10 cents
5 cents
15 cents
1 cent
2. A farmer has 17 sheep. All but nine die. How many sheep remain alive?
0
8
17
9
3. A drawer contains only black and navy socks. In complete darkness, what is the minimum number you must take to guarantee a pair of the same color?
2 socks
4 socks
3 socks
5 socks
4. Two fathers and two sons go fishing. They catch exactly three fish, and each person takes one fish home. What is the smallest possible number of people in the group?
3 people
5 people
4 people
6 people
5. How many months of the year have at least 28 days?
All 12 months
Only one month
Six months
Eleven months
6. A patch of lily pads doubles in area every day. If it completely covers a lake on day 48, on which day was the lake half covered?
Day 24
Day 47
Day 46
Day 40
7. A plane crashes exactly on the border between Country A and Country B. Where should the survivors be buried?
In Country A
At the nearest cemetery
In Country B
The survivors should not be buried
8. All glims are nops, and no nops are tars. Which conclusion must follow?
Some glims must exist
All nops are glims
No glims are tars
All tars are glims
9. Three closed boxes are labeled “Apples,” “Oranges,” and “Mixed.” Every label is wrong. You may draw one fruit from one box. Which labeled box should you choose to determine all three correct labels?
The box labeled “Mixed”
The box labeled “Apples”
The box labeled “Oranges”
Any box works equally well
10. What is the result when you divide 30 by one-half and then add 10?
25
40
20
70
11. If today is Friday, what day is two days after the day before yesterday?
Friday
Thursday
Saturday
Wednesday
12. You take the first of three pills immediately and then take another pill every 30 minutes. How much time passes from the first pill to the last?
30 minutes
90 minutes
120 minutes
60 minutes
13. A family has six daughters, and every daughter has the same one brother. How many children are in the family?
6 children
7 children
12 children
13 children
14. Three switches are outside a closed room, and each controls one traditional bulb inside. The bulbs become warm when lit. You may enter the room only once. Which method lets you match every switch to its bulb?
Turn all three switches on, wait, and then enter
Turn two switches on together and enter immediately
Turn one switch on for several minutes and off, turn a second on, then enter and check which bulb is lit, warm, or cold
Turn one switch on and enter, leaving the other two untouched
15. A clock takes five seconds from its first strike to its sixth strike. If the strikes are evenly spaced, how long will it take from its first strike to its twelfth?
10 seconds
12 seconds
11 seconds
6 seconds
16. During a race, you pass the runner who is currently in second place. What position are you now in?
First place
Second place
Third place
Tied for second place