Q.13772·Miscellaneous·2012·EasyABCD is a parallelogram. If AB = a, BC = b, then what is BD equal to ?View question
Q.13773·Miscellaneous·2012·EasyWhat is the geometric mean of the sequence 1, 2, 4, 8, …., 2^n ?View question
Q.13774·Miscellaneous·2012·EasyThe mean of 10 observations is 5. If 2 is added to each observation and then multiplied by 3, then what will be the new mean ?View question
Q.13776·Miscellaneous·2012·EasyThe arithmetic mean of numbers a, b, c, d, e is M. What is the value of (a - M) + (b - M) + (c - M) + (d - M) + (e - M) ?View question
Q.13777·Miscellaneous·2012·EasyThe algebraic sum of the deviations of 20 observations measured from 30 is 2. What would be the mean of the observations ?View question
Q.13778·Miscellaneous·2012·EasyThe median of 27 observations of a variable is 18. Three more observations are made and the values of these observations are 16, 18 and 50. What is the median of these 30 observations ?View question
Q.13780·Miscellaneous·2012·EasyThe monthly family expenditure (in percentage) on different items are as follows : Food 38 | Rent 19 | Cloth 18 | Transport 10 | Education 9 | Others 6 If the total monthly expenditure is Rs. 9000, then what is the expenditure on transport ?View question
Q.13781·Miscellaneous·2012·EasyIf the mean of few observations is 40 and standard deviation is 8, then what is the coefficient of variation ?View question
Q.13783·Miscellaneous·2012·EasyLet X and Y be two related variables. The two regression lines are given by x - y + 1 = 0 and 2x - y + 4 = 0. The two regression lines pass through the point :View question
Q.13784·Miscellaneous·2012·EasyIf P(E) denotes the probability of an event E, then E is called certain event if :View question
Q.13785·Miscellaneous·2012·EasyWhat is the probability that a leap year selected at random will contain 53 Mondays ?View question
Q.13786·Miscellaneous·2012·EasyIf A and B are two events such that P(A ∪ B) = 3/4, P(A ∩ B) = 1/4, P(A̅) = 2/3 where A̅ is the complement of A, then what is P(B) equal to ?View question
Q.13787·Miscellaneous·2012·EasyThree coins are tossed simultaneously. What is the probability that they will fall two heads and one tail ?View question