Question
Select the most appropriate meaning of the bold idiom.
He was on cloud nine when he got admission in Cambridge University.Solution
The correct answer is B
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Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
Pipe A can fill a tank in 45 minutes while pipe B can fill it in ____ minutes. There’s a leak in the tank which can empty it in _____minutes. When bot...
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