Q.8047·Miscellaneous·2017·EasyIf two regression lines between height (x) and weight (y) are 4y - 15x + 410 = 0 and 30x - 2y - 825 = 0, then what will be the correlation coefficient between height and weight?View question
Q.8048·Miscellaneous·2017·EasyIn an examination, 40% of candidates got second class. When the data are represented by a pie chart, what is the angle corresponding to second class?View question
Q.8049·Miscellaneous·2017·EasyConsider the following statements : Statement 1 : Range is not a good measure of dispersion. Statement 2 : Range is highly affected by the existence of extreme values. Which one of the following is correct in respect of the above statements?View question
Q.8050·Miscellaneous·2017·EasyA card is drawn from a well-shuffled ordinary deck of 52 cards. What is the probability that it is an ace?View question
Q.8051·Miscellaneous·2017·EasyIf the data are moderately non-symmetrical, then which one of the following empirical relationships is correct?View question
Q.8052·Miscellaneous·2017·EasyData can be represented in which of the following forms? 1.Textual form 2.Tabular form 3.Graphical form Select the correct answer using the code given below.View question
Q.8053·Miscellaneous·2017·EasyConsider the following statements : 1.Two events are mutually exclusive if the occurrence of one event prevents the occurrence of the other. 2.The probability of the union of two mutually exclusive events is the sum of their individual probabilities. Which of the above statements is/are correct?View question
Q.8054·Miscellaneous·2017·EasyFor given statistical data, the graphs for less than ogive and more than ogive are drawn. If the point at which the two curves intersect is P, then abscissa of point P gives the value of which one of the following measures of central tendency?View question
Q.8055·Miscellaneous·2017·EasyWhat is the order of [a h c] [x] [x y z] [h b f] [y] ? [g f c] [z]View question
Q.8056·Miscellaneous·2017·EasyMatch List I with List II and select the correct answer using the code given below the Lists : List I (Disease) — List II (Remedy) A. Hypermetropia — 1. Concave lens B. Presbyopia — 2. Bifocal lens C. Myopia — 3. Surgery D. Cataract — 4. Convex lens Code :View question
Q.8057·Miscellaneous·2017·EasyIn a solenoid, the current flowing through the wire is I and number of turns per unit length is n. This gives a magnetic field B inside the solenoid. If number of turn per unit length is increased to 2n, what will be the value of magnetic field in the solenoid ?View question
Q.8058·Miscellaneous·2017·EasyWhich one of the following statements is correct about the magnification of an optical microscope ?View question
Q.8059·Miscellaneous·2017·EasyA homogeneous mixture contains two liquids. How are they separated ?View question
Q.8060·Miscellaneous·2017·EasyIf the three consecutive vertices of a parallelogram are (-2, -1), (1, 0) and (4, 3), then what are the coordinates of the fourth vertex?View question
Q.8061·Miscellaneous·2017·Easyf | x y 0 | = 0, then which one of the following is correct? | 0 x y | | y 0 x |View question
Q.8062·Miscellaneous·2017·EasyConsider the set A of all matrices of order 3×3 with entries 0 or 1 only. Let B be the subset of A consisting of all matrices whose determinant is 1. Let C be the subset of A consisting of all matrices whose determinant is -1. Then which one of the following is correct?View question
Q.8063·Miscellaneous·2017·EasyThe following figure shows displacement versus time curve for a particle executing simple harmonic motion :View question
Q.8064·Miscellaneous·2017·EasyIf sin A = 3/5, where 450° < A < 540°, then cos(A/2) is equal toView question