Q.2935·Miscellaneous·2022·EasyWhat is the arithmetic mean of 50 terms of an AP with first term 4 and common difference 4 ?View question
Q.2936·Miscellaneous·2022·EasyWhat is the coefficient of mean deviation of 21, 34, 23, 39, 26, 37, 40, 20, 33, 27 (taken from mean) ?View question
Q.2937·Miscellaneous·2022·EasyIf the algebraic sum of the deviations of the same set of values measured from y is 180, then what is the value of y?View question
Q.2938·Miscellaneous·2022·EasyThe marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3. What is the mean of the marks?View question
Q.2939·Miscellaneous·2022·EasyThe marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3. What is the median of the marks?View question
Q.2940·Miscellaneous·2022·EasyThe marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3. What is the sum of the deviations measured from the median?View question
Q.2941·Miscellaneous·2022·EasyThere are 90 applicants for a job. Some of them have less than three years experience. Let G be the event that the first applicant interviewed is a graduate and T be the event that first applicant interviewed has at least 3 years experience. What is P(G ∩ T) equal to ?View question
Q.2942·Miscellaneous·2022·EasyThere are 90 applicants for a job. Some of them have less than three years experience. Let G be the event that the first applicant interviewed is a graduate and T be the event that first applicant interviewed has at least 3 years experience. What is P(G | T) equal to ?View question
Q.2943·Miscellaneous·2022·EasyThe total frequency is 120. The mean is 50. If the frequency of each class is doubled, then what would be the mean ?View question
Q.2944·Miscellaneous·2022·EasyThe total frequency is 120. The mean is 50. What is the value of q ?View question
Q.2945·Miscellaneous·2022·EasyThe total frequency is 120. The mean is 50. What is the value of p ?View question
Q.2946·Miscellaneous·2022·EasyThere are 90 applicants for a job. Some of them have less than three years experience. Let G be the event that the first applicant interviewed is a graduate and T be the event that first applicant interviewed has at least 3 years experience. What is P(T | G) equal to ?View question
Q.2947·Miscellaneous·2022·EasyConsider the following grouped frequency distribution: What is the median of the distribution?View question
Q.2948·Miscellaneous·2022·EasyConsider the following grouped frequency distribution: What is mean deviation about the median?View question
Q.2949·Miscellaneous·2022·EasyConsider the following grouped frequency distribution: What is the mean deviation about the mean?View question
Q.2950·Miscellaneous·2022·EasyIf the point (x, y) is equidistant from the points (2a, 0) and (0, 3a) where a > 0, then which one of the following is correct?View question
Q.2951·Miscellaneous·2022·EasyThe plane 6x + ky + 3z − 12 = 0 (where k ≠ 0) meets the coordinate axes at A, B and C respectively. The equation of the sphere passing through the origin and A, B, C is: x² + y² + z² + 2x − 3y − 4z = 0 If p is the perpendicular distance from the centre of the sphere to the plane, then which one of the following is correct?View question
Q.2952·Miscellaneous·2022·EasyThe plane 6x + ky + 3z − 12 = 0 (where k ≠ 0) meets the coordinate axes at A, B and C respectively. The equation of the sphere passing through the origin and A, B, C is: x² + y² + z² + 2x − 3y − 4z = 0 What is the equation of the line through the origin and the centre of the sphere?View question