Math Chapter Wise question with answer

Q01 Arithmetic mean is 15 and all sum of observations is 315 then number of observations are: English · OAVS TGT 2019 Q02 A square is drawn by joining the mid-points of the sides of a given square. In the same way, this process continues... English · Haryana TGT 2019 Q03 The sum of the terms of three arithmetic progressions are S1, S2 and S3. First term of all category is 1 and common... English · TGT 2009 Q04 In a G.P. consisting of positive terms, each term equals the sum of the next two terms. Then, the common ratio of t... English · EMRS PGT-2023 Q05 The sum of two non-zero numbers is 6. The minimum value of sum of their reciprocals is: English · KVS PGT 2023 Q06 The sum of n terms of two AP are in the ratio (3n+8): (7n+15). The ratio of their 12th term is: English · KVS PGT 2022