Math Chapter Wise question with answer

Q01 The mean of first three terms is 14 and the mean of next two terms is 18. The mean of all the five terms is– English · KVS TGT 2017 Q02 The mean of first 3 observations is 23, next 2 observations is 18 and the last 3 observations is 21. The mean of al... English · NVS PGT 2022 Q03 The mean of 'n' observations is x. If the first observation is increased by 1, the second by 2, the third by 3 and... English · Haryana TGT 2019 Q04 The weighted mean of first n natural numbers whose weights are equal to the square of the corresponding number is English · Rajasthan TGT 2016 Q05 The mean of the probability distribution of the number obtained on throwing a die having written 1 on three faces,... English · EMRS TGT-2023 Q06 The mean of 5 observations is 4 and their variance is 5.2. If three of those observations are 1, 2 and 6 the other... English · KVS PGT 2023