The sum of the ages of husband and wife at present is 60. Four years ago the ratio of their ages was 7:6. What is the age of the husband?
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Which of the following gases emitted from automobile exhaust is poisonous?
Select the odd word/letters/number/number pair from the given alternatives.
The highest number of tube wells is found in which one of the following countries?
Select the word with the correct spelling.
Which of the following Amendments is also known as the 'Mini Constitution' of India?
A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?