Question Bank
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Calculate the mean of the squares of first three natural numbers.
In a data set, if Q1 = 15 and Q3 = 35, what is the interquartile range?
The mean of 5 observations is 10. If each observation is multiplied by 2, what is the new mean?
In a pie chart, if the angle of a sector is 60 degrees, what is the ratio of that part to the whole?
If the mean of a data set is 50 and the median is 50, what can you say about the mode?
In a continuous frequency distribution, the median class is 10-20. If the total frequency is 40 and CF of the preceding class is 15, what is the 'm' value used in the median formula?
If the coefficient of range is 0.25 and the sum of max and min is 100, find the range.
A card is drawn from 52 cards. What is the probability it is not a face card?
A pair of dice is rolled. What is the probability that the sum is a multiple of 6?
The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain?
What is the probability of picking the letter 'S' from the word 'STATISTICS'?
If a card is drawn, what is the probability it is a red Ace?
Two dice are thrown together. Find the probability that the product of the numbers is 12.
From numbers 1 to 100, what is the probability of selecting a number that is a multiple of 10?
In a class, 40% students play football, 50% play cricket and 10% play both. What is the probability a student plays neither?
If a coin is tossed 4 times, what is the total number of outcomes?
A box contains 5 red, 8 white and 4 green marbles. What is the probability that a marble drawn is not white?
What is the probability of getting a sum of 2 when two dice are thrown?
Find the probability of getting a number between 1 and 6 (excluding 1 and 6) when a die is thrown.