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Q 1/10
Score 0
A rocket initially at an altitude of -10,000 feet lifts off vertically. After 5 seconds, it reaches an altitude of -2,500 feet. What is the change in altitude of the rocket?
30
7500
-5000
-2500
10000
Q 2/10
Score 0
Samantha has $80 in her savings account. She deposits $25, then withdraws $15, deposits $10, and finally withdraws $30. What is the balance in her savings account after these transactions?
30
70
75
35
80
10 questions
Q.
A rocket initially at an altitude of -10,000 feet lifts off vertically. After 5 seconds, it reaches an altitude of -2,500 feet. What is the change in altitude of the rocket?
1
30 sec
Q.
Samantha has $80 in her savings account. She deposits $25, then withdraws $15, deposits $10, and finally withdraws $30. What is the balance in her savings account after these transactions?
2
30 sec
Q.
Sarah buys a new smartphone for $500 and then sells her old smartphone for $200. What is the net cost of Sarah's new smartphone after selling her old one?
3
30 sec
Q.
Emily has $200 in her wallet. She spends $50 on groceries, earns $100 from her part-time job, and then spends $75 on clothes. What is the final amount of money Emily has in her wallet?
4
30 sec
Q.
A swimmer is training for a race. On the first day, the swimmer swims 500 meters. On the second day, the swimmer increases the distance by 250 meters. On the third day, the swimmer decreases the distance by 100 meters. What is the total distance swum by the swimmer in these three days?
5
30 sec
Q.
A delivery driver starts the day with 50 packages to deliver. In the morning, the driver delivers 20 packages, and then receives 10 additional packages. In the afternoon, the driver delivers 25 packages, but then receives 15 more packages. How many packages does the driver have at the end of the day?
6
30 sec
Q.
A student has an initial balance of $50 in their lunch account. On Monday, they spend $7.50 on lunch. On Tuesday, they spend $5.25 on lunch. On Wednesday, they receive a deposit of $10 into their account. On Thursday, they spend $6 on lunch. What is the final balance in their lunch account after these transactions?
7
30 sec
Q.
A store had 100 shirts in stock. During the first week, they sold 25 shirts. During the second week, they received a shipment of 50 shirts. In the third week, they sold 40 shirts. How many shirts are left in stock?
8
30 sec
Q.
A student is saving money to buy a new laptop. They currently have $400 saved. Each week, they save an additional $50. After 8 weeks, how much money will they have saved in total?
9
30 sec
Q.
A company produces 200 units of a product. During quality control, 10% of the units are found to be defective and are rejected. How many units pass the quality control?
