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Quiz about True or False Mathematics
Quiz about True or False Mathematics

True or False Mathematics Trivia Quiz


This quiz may be the one of the easier math quizzes, even if you don't know any of the answers. That's because they are all true or false questions!

A multiple-choice quiz by farage5. Estimated time: 5 mins.
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Author
farage5
Time
5 mins
Type
Multiple Choice
Quiz #
350,376
Updated
Dec 03 21
# Qns
10
Difficulty
Average
Avg Score
6 / 10
Plays
2364
- -
Question 1 of 10
1. Sam is shopping for watermelons. She has $27 to spend, and each watermelon costs $4.50. TRUE or FALSE: She has enough money to buy an exact amount of watermelons (Not breaking the watermelon in hopes of a discount) without any money left over.


Question 2 of 10
2. After seeing an ad for a new smartphone, Brian decided to get one. The next noon, he stopped by the local electronics superstore, about ten minutes away. However, the line leading to smartphone has eighty people. It took each person thirty seconds to get their smartphone, so Brian decided to go somewhere else. The next closest electronics superstore is fifteen minutes away, and has twelve people waiting for the smartphone when Brian got there. The waiting time per person is the same. If he would've gone straight to the second electronics superstore from home, he'd save five minutes. TRUE or FALSE: Brian would've taken the smartphone home faster if he hadn't left the other store.


Question 3 of 10
3. There were seven people waiting at a bus stop for a ride on a bus. The stop is for Routes 12 and 17, which alternate. When Route 12 comes along, five people get on, and six get off. A third of the people that just got off of the bus are waiting to transfer to the next bus. TRUE or FALSE: There are currently four people waiting for bus Route 17.


Question 4 of 10
4. Many people were at a bar. Half of them were in their twenties. There were three times as many people over fifty as children under three. A quarter of the people were in their thirties or forties. No other age groups were at this bar. Eight toddlers or infants were at this strange bar. TRUE or FALSE: There were more than 125 people at the bar.


Question 5 of 10
5. Imagine there is only one video game console and every game for it costs $12. Josh wants some new video games, so he goes to the "Gaming Mountain". He found out that the trade-in rate is 10% cash, or 25% in-store credit. He currently has 17 games and want to trade them all in. TRUE or FALSE: If he first trades all possible games for new games and then sells any leftovers, he'd get four new games and $3 cash.


Question 6 of 10
6. John, a pawnbroker, bought an antique lamp for $75. He sold it for $120. TRUE or FALSE: John made a 62.5% profit off the lamp.


Question 7 of 10
7. Let's give your mind a break with a simpler problem:
If you have a basket of nine apples and you gave one to each of your six friends, you would have enough to give your brother, father, mother, and yourself a whole apple each.


Question 8 of 10
8. A local contest is giving away a thousand dollars to a random person picked from a raffle. Your name is entered into the raffle once for every hundred dollars you spend at the local mall. Jamie bought a new TV, stereo, and couch for $200 each. There are a total of 597 other entries. TRUE or FALSE: The probability of Jamie winning the raffle is less than 1%.


Question 9 of 10
9. Pi is commonly known for being irrational and its use in figuring out certain measurements of a circle. Pie is commonly known for being a delicious snack. For some reason, Carl wants to figure out the radius of his pie tin using only a ruler for measuring. TRUE or FALSE: He has to use pi to figure this out.


Question 10 of 10
10. Clara took a ten-question "True or False" quiz, similar to the one you're taking right now. Not knowing the answer to any question, she guessed on all of them. TRUE or FALSE: There is a 5% chance that she'd complete the quiz with every question answered correctly.



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Quiz Answer Key and Fun Facts
1. Sam is shopping for watermelons. She has $27 to spend, and each watermelon costs $4.50. TRUE or FALSE: She has enough money to buy an exact amount of watermelons (Not breaking the watermelon in hopes of a discount) without any money left over.

Answer: True

Sam has enough money to buy exactly six watermelons (27/4.5 = 6), without having any money left over. By the way, if you actually try to smash melons for a discount, you'd run the risk of paying for something you don't get to bring home.
2. After seeing an ad for a new smartphone, Brian decided to get one. The next noon, he stopped by the local electronics superstore, about ten minutes away. However, the line leading to smartphone has eighty people. It took each person thirty seconds to get their smartphone, so Brian decided to go somewhere else. The next closest electronics superstore is fifteen minutes away, and has twelve people waiting for the smartphone when Brian got there. The waiting time per person is the same. If he would've gone straight to the second electronics superstore from home, he'd save five minutes. TRUE or FALSE: Brian would've taken the smartphone home faster if he hadn't left the other store.

Answer: False

This one is a bit tricky. If Brian stayed in line at the first store, he'd have to wait 30 second per person × 80 people. He'd wait 2400 seconds, or forty minutes, plus twenty for the drive there and back, so it would be sixty minutes, or an hour. The drive to the other one is twenty-five (ten minutes to the first store + fifteen from there) minutes + thirty seconds per person, which is 25 × 60 (seconds in a minute) + 12 people × 30 seconds, so 1500 + 360 = 1860 seconds. That is equal to thirty-one minutes.

The ride back home will take another twenty minutes, because he'd save five minutes for not stopping at the first superstore. 31 + 20 = 51, which is still less than an hour.
3. There were seven people waiting at a bus stop for a ride on a bus. The stop is for Routes 12 and 17, which alternate. When Route 12 comes along, five people get on, and six get off. A third of the people that just got off of the bus are waiting to transfer to the next bus. TRUE or FALSE: There are currently four people waiting for bus Route 17.

Answer: True

At first there were seven. When five left, two were still there. Six people got off the bus, and a third of them stayed. A third of six is two. Two plus two is four.
4. Many people were at a bar. Half of them were in their twenties. There were three times as many people over fifty as children under three. A quarter of the people were in their thirties or forties. No other age groups were at this bar. Eight toddlers or infants were at this strange bar. TRUE or FALSE: There were more than 125 people at the bar.

Answer: True

Because the twenty-year-olds account for half the people and a quarter of the people are in their thirties or forties, everyone else (50+ and toddlers) account for the last quarter of the people. Eight toddlers × 3 (3 times as many 50+) is 24. If you add the babies, you'd get 32, which is one fourth of the entire bar. Multiply that by four and you'd get 128.
5. Imagine there is only one video game console and every game for it costs $12. Josh wants some new video games, so he goes to the "Gaming Mountain". He found out that the trade-in rate is 10% cash, or 25% in-store credit. He currently has 17 games and want to trade them all in. TRUE or FALSE: If he first trades all possible games for new games and then sells any leftovers, he'd get four new games and $3 cash.

Answer: False

If he'd trade in all 17 video games, Josh would get $51 dollars in in-store credit. However, he'd only be able to get four games, totaling only $48. Since he won't be able to buy any games with the remaining $3, he'd have to sell the last game for cash. Trading in for cash only gives 10% of the value, so he'd get $1.20, not $3.
6. John, a pawnbroker, bought an antique lamp for $75. He sold it for $120. TRUE or FALSE: John made a 62.5% profit off the lamp.

Answer: False

To find the profit, you have to take the sale price and divide it by the purchase price. Then, you have to subtract one, representing the original price. To find its percentage, you have to multiply the decimal by 100. 120/75 is equal to 1.6. Subtracting one leaves you with 0.6, or 60%.
7. Let's give your mind a break with a simpler problem: If you have a basket of nine apples and you gave one to each of your six friends, you would have enough to give your brother, father, mother, and yourself a whole apple each.

Answer: False

If you have nine and give six to your friends, you have three apples left. There are four people in your family, and three apples, which is not enough for all of your family members.
8. A local contest is giving away a thousand dollars to a random person picked from a raffle. Your name is entered into the raffle once for every hundred dollars you spend at the local mall. Jamie bought a new TV, stereo, and couch for $200 each. There are a total of 597 other entries. TRUE or FALSE: The probability of Jamie winning the raffle is less than 1%.

Answer: True

Jamie spent $600 ($200 × 3) dollars at the mall, giving her six entries. There are 597 entries besides her own, and thus 603 total entries. Six is 1% of 600, and because there are more than 600 entries, her chances are just under 1%.
9. Pi is commonly known for being irrational and its use in figuring out certain measurements of a circle. Pie is commonly known for being a delicious snack. For some reason, Carl wants to figure out the radius of his pie tin using only a ruler for measuring. TRUE or FALSE: He has to use pi to figure this out.

Answer: False

Pi is used to figure out the area and circumference of a circle given the radius. It's also used to find the volume of cones, cylinders, and similar shapes. However, it is not required for finding a radius, which is simply a line segment connecting the center of the circle to an edge, or half of the diameter (a line segment in a circle going from edge to edge, through the center).
10. Clara took a ten-question "True or False" quiz, similar to the one you're taking right now. Not knowing the answer to any question, she guessed on all of them. TRUE or FALSE: There is a 5% chance that she'd complete the quiz with every question answered correctly.

Answer: False

There is a fifty percent chance of getting EACH problem correct. However the chances of getting EVERY question right is not 0.5 / 10, but 0.5^10 (0.5×0.5×0.5....), which is about 0.00098, or 0.098%.
Source: Author farage5

This quiz was reviewed by FunTrivia editor WesleyCrusher before going online.
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