Q.10423·Miscellaneous·2015·EasyThe mean of five numbers is 30. If one number is excluded, their mean becomes 28. The excluded number isView question
Q.10424·Miscellaneous·2015·EasyThe mean and the variance in a binomial distribution are found to be 2 and 1 respectively. The probability P(X = 0) isView question
Q.10425·Miscellaneous·2015·EasyIn an examination, the probability of a candidate solving a question is 1/2. Out of given 5 questions in the examination, what is the probability that the candidate was able to solve at least 2 questions?View question
Q.10426·Miscellaneous·2015·EasyTwo similar boxes Bi (i = 1, 2) contain (i + 1) red and (5 - i - 1) black balls. One box is chosen at random and two balls are drawn randomly. What is the probability that both the balls are of different colours?View question
Q.10427·Miscellaneous·2015·EasyTwo men hit at a target with probabilities 1/2 and 1/3 respectively. What is the probability that exactly one of them hits the target?View question
Q.10429·Miscellaneous·2015·EasyA set of annual numerical data, comparable over the years, is given for the last 12 years. Consider the following statements: 1.The data is best represented by a broken line graph, each corner (turning point) representing the data of one year. 2.Such a graph depicts the chronological change and also enables one to make a short-term forecast. Which of the above statements is/are correct?View question
Q.10430·Miscellaneous·2015·EasyWhich of the following statements is/are correct in respect of regression coefficients? 1.It measures the degree of linear relationship between two variables. 2.It gives the value by which one variable changes for a unit change in the other variable. Select the correct answer using the code given below.View question
Q.10431·Miscellaneous·2015·EasyGametophytes of sexually reproducing flowering plants areView question
Q.10432·Miscellaneous·2015·EasyThe correlation coefficient between two variables X and Y is found to be 0.6. All the observations on X and Y are transformed using the transformations U = 2 - 3X and V = 4Y + 1. The correlation coefficient between the transformed variables U and V will beView question
Q.10433·Miscellaneous·2015·EasyWhich one of the following measures of central tendency is used in construction of index numbers?View question
Q.10434·Miscellaneous·2015·EasyTo a perpendicular to the plane of ecliptic, Earth's axis of rotation makes an angle of 23 1/2 degrees. Had this angle been zero degree, which one among the following would result ?View question
Q.10435·Miscellaneous·2015·EasyThe mean and the variance of 10 observations are given to be 4 and 2 respectively. If every observation is multiplied by 2, the mean and the variance of the new series will be respectivelyView question
Q.10436·Miscellaneous·2015·EasyIf a + b || a - b, then which one of the following is correct?View question
Q.10437·Miscellaneous·2015·EasyIf a + b + c = 0, then which of the following is/are correct? 1.a, b, c are coplanar. 2.a × b = b × c = c × a Select the correct answer using the code given below.View question
Q.10438·Miscellaneous·2015·EasyMatch List I with List II and select the correct answer using the code given below the Lists: List I List II (State) (National Park/ Wildlife Sanctuary) List II (State) A. Chandra Prabha 1. Uttarakhand B. Silent Valley 2. Chhattisgarh C. Valley of flowers 3. Uttar Pradesh D. Indravati 4. KeralaView question
Q.10439·Miscellaneous·2015·EasyWhich one of the following Indian states has the highest proportion of area under forest cover ?View question