Maths

Question: Find the area of a trapezoid with bases of 8 cm and 12 cm and a height of 5 cm. What is the area?A. 50 cm²B. 60 cm²C. 70 cm²D. 80 cm² Solution: The area of a trapezoid is given by: Area = 1⁄2 × (Base₁ + Base₂) × Height Substitute the values: Area […]

Question: A shirt originally costs $40 and is now priced at $50. What is the percent increase in price? What is the percent increase?A. 20%B. 25%C. 30%D. 35% Solution: Calculate the percent increase: Percent Increase = New Price−Old Price/Old Price × 100Percent Increase = 50−40/40 × 100Percent Increase = 10⁄40 × 100 = 25% Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: Find the median of the data set: 7, 5, 12, 10, 8. What is the median?A. 7B. 8C. 10D. 12 Solution: First, order the data set: 5, 7, 8, 10, 12. The median is the middle value:Median = 8Thus, the correct option is (B) 8. Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: Sam has $20. He spends 1⁄4 of it on a toy. How much money is left?a) $5b) $10c) $15d) $12 Solution: Find 1⁄4 of $20:20÷4=5.Subtract: 20−5=15.Thus, the correct answer is (c). Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: Lisa has 45 candies. She gave 18 candies to her friend and then received 25 more from her mom. How many candies does Lisa have now?a) 52b) 50c) 60d) 70 Solution: First, subtract the candies she gave away: 45−18=27.Then add the candies she received:27+25=52. Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: If the probability of an event occurring is 1⁄4, what is the probability of the event not occurring?(A) 1⁄4(B) 3⁄4(C) 1⁄2(D) 1⁄3 Solution: The probability of the event not occurring is calculated as:P(not occurring)=1−P(occurring)= 1-1⁄4 = 3⁄4 Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: The exterior angle of a triangle is 120°. One of the opposite interior angles is 50°. What is the measure of the other interior angle?A) 40°B) 50°C) 60°D) 70° Solution: The sum of an exterior angle and its adjacent interior angle is 180°:Adjacent angle=180°−120°=60°The sum of the two opposite interior angles is equal to the

Question: If 12 liters of oil cost $48, how much will 9 liters cost?A) $30B) $32C) $34D) $36 Solution: Step 1: Find the cost per liter of oil.Cost per liter=48dollars/12liters = 4dollars/literStep 2: Use the unitary method to find the cost of 9 liters.Cost of 9 liters=9liters×4dollars/liter=36dollars Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: A sphere has a radius of 7 cm. What is its surface area? (Use 𝜋 = 22⁄7)a) 308 cm²b) 616 cm²c) 484 cm²d) 154 cm² Solution: Surface area of a sphere = 4𝜋r².4×22⁄7×7² = 616 cm² Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: Four friends share a fruit pie equally. If the pie weighs 3/4 of a kilogram, how much pie does each friend get?(A) 3⁄8 kg(B) 1⁄4 kg(C) 3⁄16 kg(D) 1⁄3 kg Solution: Each friend gets 1⁄4 of the pie. The amount each friend gets is:1⁄4 × 3⁄4 = 3⁄16 kg Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy