What is the value of 15% of 200?
To find 15% of 200, multiply 200 by 0.15: 200×0.15=30.
If a rectangle has a length of 8 meters and a width of 5 meters, what is its area?
The area of a rectangle is given by length×width. Thus, 8×5=40 square meters.
What is the next number in the sequence: 2, 5, 10, 17, ___?
The difference between consecutive numbers is increasing by 2: 5 - 2 = 3, 10 - 5 = 5, 17 - 10 = 17. Thus, the next difference will be 9, so 17 + 9 = 24.
A car travels 120 kilometers in 2 hours. What is its average speed?
To calculate the average speed, divide the distance by the time: ¹²⁰⁄₂ = 60 km/h.
A store offers a 20% discount on an item originally priced at $150. What is the discounted price?
To find the discounted price, first calculate the discount: 150 x 0.20 = 30. Then subtract the discount from the original price: 150 - 30 = 120.
If 2x−4=10, what is the value of 𝑥?
First, add 4 to both sides: 2x=14. Now divide both sides by 2: x=7.
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A circle has a radius of 6 cm. What is its area? (Use 𝜋=3.14)
The area of a circle is given by the formula πr 2. Thus, 3.14 x 6² = 3.14 x 36 = 113.04 cm².
If a train travels at a speed of 75 km/h, how far will it travel in 2.5 hours?
To find the distance, multiply speed by time: 75 x 2.5 = 150 km.
A box contains 4 red balls, 5 green balls, and 6 blue balls. If a ball is selected at random, what is the probability of selecting a red ball?
The total number of balls is 4 + 5 + 6 = 15. The probability of selecting a red ball is the ratio of red balls to total balls: ⁴⁄₁₅