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Q. A set of numbers has a mean of 15. If one number is removed, the new mean becomes 12. What was the removed number? (2022)
Q. A set of numbers has a mean of 20. If one number is removed, the mean becomes 18. What was the number removed? (2022)
Q. A set of numbers has a variance of 36. What is the standard deviation? (2019)
Q. A set of numbers has the following frequencies: 10 (1), 20 (2), 30 (3), 40 (4). What is the mode of this set? (2021)
Q. A set of numbers is given as follows: 1, 1, 2, 3, 3, 4, 4, 4, 5. What is the mode?
Q. A shopkeeper sells a shirt for $300 after giving a discount of 20%. What was the original price of the shirt? (2020)
Q. A shopkeeper sells a shirt for Rs. 800 after giving a discount of 20%. What was the original price of the shirt? (2020)
Q. A shopkeeper sells a shirt for Rs. 800 after giving a discount of 20%. What was the marked price of the shirt? (2020)
Q. A shopkeeper sells an article for Rs. 800, making a profit of 20%. What was the cost price of the article? (2020)
Q. A snack contains 150 calories, with 10% from protein, 50% from carbohydrates, and 40% from fats. How many calories are from fats?
Q. A snack contains 150 calories, with 60% from carbohydrates, 20% from protein, and 20% from fat. How many calories come from fat?
Q. A snack contains 200 calories, with 10 grams of protein, 20 grams of carbohydrates, and 5 grams of fat. What percentage of the total calories comes from protein? (2019)
Q. A snack contains 250 calories, with 40% from carbohydrates, 30% from fats, and 30% from proteins. How many calories come from carbohydrates? (2022)
Q. A soil sample contains 40% sand, 30% silt, and 30% clay. What is the percentage of silt in the sample? (2023)
Q. A soil sample contains 40% sand, 30% silt, and 30% clay. What is the percentage of silt in the soil?
Q. A soil sample contains 40% sand, 30% silt, and 30% clay. What is the percentage of clay in the sample? (2022)
Q. A soil sample has a moisture content of 20%. If the dry weight of the soil is 80 kg, what is the weight of the water in the sample?
Q. A soldier can run 100 meters in 12 seconds. What is his speed in km/h? (2019)
Q. A soldier runs 12 km in 1 hour and 15 minutes. What is his speed in km/h? (2023)
Q. A soldier runs 12 km in 1 hour and 30 minutes. What is his average speed in km/h? (2023)
Q. A soldier runs 5 km in 30 minutes. What is his speed in km/h? (2019)
Q. A soldier runs a distance of 400 meters in 50 seconds. What is his average speed in m/s? (2022)
Q. A sound wave has a frequency of 440 Hz. What is its period?
Q. A sports event awards medals to the top 3 finishers. If the first place receives a gold medal, the second place receives a silver medal, and the third place receives a bronze medal, what is the ratio of gold to silver to bronze medals awarded? (2021)
Q. A sports team has a win-loss record of 8 wins and 2 losses. What is the winning percentage of the team? (2022)
Q. A sports team wins 70% of its matches. If they played 50 matches, how many matches did they win? (2023)
Q. A sports team won 75% of their games. If they played 40 games, how many games did they win? (2023)
Q. A sports team won 75% of their matches. If they played 40 matches, how many matches did they win? (2022)
Q. A spring has a spring constant of 200 N/m. How much force is required to stretch the spring by 0.5 m?
Q. A spring has a spring constant of 200 N/m. How much force is required to stretch the spring by 0.1 m?
