In option A present tense is used which is wrong as sentence is in past form.
In option B article is not used against a vowel.
In option C poetess is referred in place of poet.
2807, 1400, 697, 346, 171, 84, 41, ?
120, 120, ?, 360, 900, 2700
289 169 121 ? 25 9
...120, 122, 128, ?, 272, 992
What will come in place of the question mark (?) in the following series?
7, 20, 59, 176, 527, 1580, ?
290, 571, 900, ?, 1485, 1890
250, 279, 311, 349, 396, ?
195% of 1420 + 72 × 25 =?
107 157 194 ? 237 247
...96, 144, ?, 324, 486, 729, 1093.5