Question
In the following sentence, there is a blank space. Below
each such sentence, there are four options with one word each. Fill up the blank with the word that makes the sentence grammatically and contextually correct. The scientists worked tirelessly to __________ the mystery surrounding the sudden disappearance of the bird population.Solution
The word "unravel" means to solve or explain something that is mysterious or complicated, which fits the context of solving a mystery.
Uphold means to maintain or support.
Uncover means to reveal, but not necessarily to fully solve or explain.
Utilize means to use something effectively.
Undertake means to begin or take responsibility for a task.
The scientists worked tirelessly to unravel the mystery surrounding the sudden disappearance of the bird population.
What will come in place of the question mark (?) in the following series?
77, 198, 342, 511, 707, ?
107    157    194    ?     237    247
...3    8    26    93    ?   1985   11940
...257, 399, 566, ?, 983, 1237Â
246, 102, 202, ?, 174, 158
9    14    38    129    ?   2705   16260
...155, 161, 173, 191, ?, 245
79Â Â Â Â Â 86Â Â Â Â Â Â 76 Â Â Â Â Â Â 89Â Â Â Â Â Â 73 Â Â Â Â Â Â ?
...- What will come in place of (?) in the given number series.
729, 243, 81, 27, ?, 3 135, 148, ?, 184, 207, 236
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