51. Geometric mean of a given series is always less than its
52. Match the following columns
Column I (Programme)
Column II (Star ting Year)
a. Gurgaon project
1. 1920
b. Marthandom project
2. 1948
c. Rural development
3. 1935
d. FAO
4. 1928
| Column I (Programme) | Column II (Star ting Year) |
| a. Gurgaon project | 1. 1920 |
| b. Marthandom project | 2. 1948 |
| c. Rural development | 3. 1935 |
| d. FAO | 4. 1928 |
53. Extension work must be based on
54. Three letters to each of which corresponds an envelope are placed in the envelopes at random. The probability that all letters are not placed in the right envelope will be
55. If X1 ∼ N (2, 1) and X2 ∼ N (3, 1), then X1 + X2 will be a normal variate whose mean will be
56. In a contingency table, degrees of freedom are determined by
57. The extension activity was started first time in
58. Zamindari system was introduced by
59. In a experiment, a treatment requires large area and b treatment requires smaller area (different precision), which design is most appropriate
60. When 4 levels of sowing dates is applied to vertical strip, five levels of irrigation is applied to horizontal strip, four levels of nitrogen randomly allocated within the intersection plots of vertical and horizontal strip and replicated three times, then what willbe the degree of freedom for error (d).[ab(r - 1),(c - 1)] (Strip split plot design)
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