Q. What have been constructed from OR problems and methods for solving the models that are available in many cases?
✅ Correct Answer: (C)
Mathematical models
Mathematics - BCA MCQs and Notes
Q. Which of the following average cannot be calculated for the observations 2, 2, 4, 4, 6, 6, 8, 8, 10, 10 ?
✅ Correct Answer: (C)
Mode
Q. A measurement that corresponds to largest frequency in a set of data is called:
✅ Correct Answer: (C)
Mode
Q. Suitable average for averaging the shoe sizes for children is
✅ Correct Answer: (B)
Mode
Q. If in a discrete series 75% values are greater than 50, then:
✅ Correct Answer: (A)
Q1 = 50
Q. The lower and upper quartiles of a symmetrical distribution are 40 and 60 respectively. The value of median is:
✅ Correct Answer: (B)
50
Q. We must arrange the data before calculating:
✅ Correct Answer: (B)
Median
Q. If the arithmetic mean of the two numbers X1 and X2 is 5 if X1=3, then X2 is:
✅ Correct Answer: (C)
7
Q. Ten families have an average of 2 boys. How many boys do they have together?
✅ Correct Answer: (D)
20
Q. If the arithmetic mean of 20 values is 10, then sum of these 20 values is:
✅ Correct Answer: (C)
200