Question: Ella invests 2/7 of her money in stocks and 1/3 in bonds. The rest she keeps in her savings account. What fraction of her money does she keep in savings?A. 13/21B. 5/21C. 8/21D. 2/21 Solution: Ella invests 2⁄7 in stocks and 1⁄3 in bonds. Combine the fractions:2⁄7 + 1⁄3 = 6⁄21 + 7⁄21 = […]
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Question: The product of two numbers is 180, and their HCF is 6. What is their LCM?A) 30B) 60C) 90D) 120 Solution: Using the formula:HCF×LCM=Product of the two numbers6×LCM=180LCM = 180⁄6 = 30 Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy
The product of two numbers is 180, Read More »
Question: If 9 meters of cloth cost $81, what is the cost of 20 meters of cloth?a) $160b) $170c) $180d) $190 Solution: Cost of 1 meter of cloth = $81 / 9 meters = $9/meterCost of 20 meters of cloth = 20 meters × $9/meter = $180 Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy
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Question: In a survey, 10 students scored between 70–80, 20 students scored between 80–90, and 15 students scored between 90–100. What is the cumulative frequency for scores between 80 and 100?(A) 35(B) 30(C) 25(D) 20 Solution: The cumulative frequency for scores between 80 and 100 includes the students who scored between 80–90 and 90–100.Cumulative Frequency= 20+15=35
In a survey, 10 students scored between 70–80, Read More »
Question: What is the smallest number that leaves a remainder of 1 when divided by 2, 3, 4, and 5?A) 61B) 121C) 241D) 61 Solution: The smallest number that leaves a remainder of 1 when divided by any set of numbers is 1 more than the least common multiple (LCM) of those numbers. LCM of
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Question: John runs at a speed of 10 m/s for 15 minutes. How far does he run?A) 9,000 mB) 10,000 mC) 8,000 mD) 12,000 m Solution: First, convert 15 minutes to seconds.15 minutes = 15 × 60 = 900 secondsDistance = Speed × TimeDistance = 10 m/s × 900 s = 9,000 m Our Social
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Question: The length of the diagonals of a kite are 10 cm and 24 cm. What is the area of the kite?A) 120 cm²B) 150 cm²C) 180 cm²D) 240 cm² Solution: The area of a kite is given by:Area = 1⁄2 × Diagonal₁×Diagonal₂Area = 1⁄2 × 10 cm×24 cm=120 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
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Question: Emily buys 3 T-shirts, each costing $20, and 2 pairs of jeans, each costing $40. The store has a special discount: if you spend more than $100, you get 10% off the total. How much does Emily pay after the discount?A) $100B) $108C) $110D) $126 Solution: Total cost before discount:3×20+2×40=60+80=140 dollars The discount is 10%
Emily buys 3 T-shirts, each costing $20, Read More »
Question: A gym has 800 members. If 25% of these members have a personal trainer and 30% of those with trainers are participating in a special fitness program, how many members are in the special fitness program?A) 60B) 75C) 90D) 100 Solution: Calculate the number of members with personal trainers:25%×800=0.25×800=200 membersCalculate the number of members
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Question: Sarah went shopping and bought the following:∎ A book for $12.75∎ A toy for $9.35∎ A pack of pens for $3.80If she paid with a $50 bill, how much change did she get?A. $24.10B. $23.45C. $24.50D. $23.35 Solution: Total cost = $12.75 + $9.35 + $3.80 = $25.90Change = $50 – $25.90 = $24.10
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