Search
Question: If sin(2x) = 2sin(x)cos(x), what is the double angle formula for sine?Options: sin(2x) = s..
Question: If cos(θ) = 1/2, what are the possible values of θ in the range [0°, 360°]?Options: 60°, 3..
Question: A family has 2 children. What is the probability that both children are boys?Options: 1/41..
Question: In a lottery, there are 100 tickets, and 10 of them are winning tickets. What is the proba..
Question: In a normal distribution, what percentage of data lies within one standard deviation of th..
Question: What is the standard deviation of the data set {4, 8, 6, 5, 3}?Options: 1.582.583.584.58Co..
Question: For the data set {12, 15, 20, 22, 25}, what is the mode?Options: 121520No modeCorrect Answ..
Question: If the data set {5, 7, 8, 9, 10} has a mean of 7.8, what is the sum of the deviations from..
Question: What is the interquartile range (IQR) of the data set {1, 3, 5, 7, 9, 11, 13, 15}?Options:..
Question: The range of the data set {10, 15, 20, 25, 30} is?Options: 15202530Correct Answer: 15Solut..
Question: In a data set, the mean is 20 and the standard deviation is 4. What is the coefficient of ..
Question: In a set of numbers, if the mean is 50 and the sum of the numbers is 400, how many numbers..
Question: If the mean of a data set is 30 and there are 10 values, what is the total sum of the valu..
Question: What is the median of the following numbers: 1, 3, 3, 6, 7, 8, 9?Options: 3678Correct Answ..
Question: In a frequency distribution, if the mode is 12 and the frequency of 12 is 10, what can be ..
Question: The average of five numbers is 18. If one number is excluded, the average becomes 16. What..
Question: Calculate the range of the following data set: 4, 8, 15, 16, 23, 42.Options: 38363432Corre..
Question: If the mode of the data set 3, 7, 7, 2, 5, 7, 8 is x, what is the value of x?Options: 2378..
Question: A box contains 5 red and 3 green marbles. If one marble is drawn and it is red, what is th..
Question: In a survey, 70% of people like tea and 40% like coffee. If 30% like both, what is the pro..
Question: A box contains 4 white and 6 black balls. If one ball is drawn and it is black, what is th..
Question: What type of root system is characterized by a single main root with smaller lateral roots..
Question: Which structure in plants is primarily involved in reproduction?Options: RootsLeavesFlower..
Question: What is the role of stomata in plant leaves?Options: Water storageGas exchangeNutrient abs..
Question: In which part of the plant does the majority of water absorption occur?Options: StemsLeave..
Question: What type of tissue is responsible for the growth of plants?Options: Dermal tissueVascular..
Question: A box contains 5 red, 3 green, and 2 blue balls. What is the probability of drawing a gree..
Question: In a bag of 10 balls, 4 are red and 6 are blue. What is the probability of picking a red b..
Question: If the probability of an event is 0.7, what is the probability of the event not occurring?..
Question: What is the relationship between photosynthesis and respiration in plants?Options: They ar..