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The pie diagrams on the monthly expenditure of two families A and B are drawn with radii of two circles taken in the ratio 16 : 9 to compare their expenditures.
Which one of the following is the appropriate data used for the above mentioned pie diagram?
Consider the following statements:
Statement I: The value of a random variable having the highest frequency is mode
Statement II: Mode is unique
Which one of the following is correct in respect to the above statements?
Which one of the following is not correct?
The proportion of various items in a pie diagram is proportional to the
The geometric mean of x and y is 6 and the geometric mean of x, y and z is also 6. Then the value of z is
The heights (in cm) of 5 students are 150, 165, 161, 144 and 155. What are the values of mean and median (in cm) respectively?
The total number of live births in a specific locality during different months of a specific year was obtained from the office of the Birth registrar. This set of data may be called
The average height of 22 students of a class is 140 cm and the average height of 28 students of another class is 152 cm. What is the average height of students of both classes?
To maintain 8 cows for 60 days, a milkman spends Rs. 6400. To maintain 5 cows for n days, he spends Rs. 4800. What is the value of n?
A student secure 40% of the marks to pass an examination. He gets only 45 marks and fails by 5 marks. The maximum marks are
What is the value of u in the system of equations 3 (2u + v) = 7uv, 3 (u + 3v) = 11uv?
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