Q.6823·Miscellaneous·2018·EasyLet A, B and C be three mutually exclusive and exhaustive events associated with a random experiment. If P(B) = 1.5 P(A) and P(C) = 0.5 P(B), then P(A) is equal toView question
Q.6824·Miscellaneous·2018·EasyThe average age of a combined group of men and women is 25 years. If the average age of the group of men is 26 years and that of the group of women is 21 years, then the percentage of men and women in the group is respectivelyView question
Q.6825·Miscellaneous·2018·EasyThe correlation coefficient computed from a set of 30 observations is 0.8. Then the percentage of variation not explained by linear regression isView question
Q.6826·Miscellaneous·2018·EasyIf two dice are thrown and at least one of the dice shows 5, then the probability that the sum is 10 or more is:View question
Q.6827·Miscellaneous·2018·EasyWhich one of the following is not an agent of metamorphism?View question
Q.6828·Miscellaneous·2018·EasyConsider the following statements: 1. If 10 is added to each entry on a list, then the average increases by 10. 2.If 10 is added to each entry on a list, then the standard deviation increases by 10. 3. If each entry on a list is doubled, then the average doubles. Which of the above statements are correct?View question
Q.6829·Miscellaneous·2018·EasyWhich one of the following is an oxidation-reduction reaction?View question
Q.6830·Miscellaneous·2018·EasyThe variance of 25 observations is 4. If 2 is added to each observation, then the new variance of the resulting observations isView question
Q.6832·Miscellaneous·2018·EasyIf xi > 0, yi > 0 (i = 1, 2, 3, …, n) are the values of two variables X and Y with geometric means P and Q respectively, then the geometric mean of (xi/yi) isView question
Q.6833·Miscellaneous·2018·EasyWhich one of the following is the chemical formula of gypsum?View question
Q.6834·Miscellaneous·2018·EasyIf the probability of simultaneous occurrence of two events A and B is p and the probability that exactly one of A, B occurs is q, then which of the following is/are correct? 1.P(A ∪ B + P(Ā ∩ B̄) = 2 – 2p – q 2.P(Ā ∩ B̄) = 1 – p – q Select the correct answer using the code given below:View question
Q.6835·Miscellaneous·2018·EasyWhich one of the following statements about the law of conservation of mass is correct?View question
Q.6836·Miscellaneous·2018·EasyIf the regression coefficient of Y on X is –6, and the correlation coefficient between X and Y is –1/2, then the regression coefficient of X on Y would beView question
Q.6838·Miscellaneous·2018·EasyThe set of bivariate observations (x1, y1), (x2, y2), …, (xn, yn) are such that all the values are distinct and all the observations fall on a straight line with non-zero slope. Then the possible values of the correlation coefficient between x and y areView question
Q.6839·Miscellaneous·2018·EasyWho among the following leaders started the Indian Home Rule League?View question
Q.6840·Miscellaneous·2018·EasyWhich one of the following statements about Bipin Chandra Pal is correct?View question