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It uses both "whether" and a final question mark, which is redundant and grammatically incorrect. Either "whether" alone or just the question mark is sufficient.
A person spent 23% of his monthly income on food and 44% of the remaining on rent. If amount spent on rent is Rs 1694, then find the amount spent on food.
The income of a person is Rs.13000 and his expenditure is Rs.8000. In the next year his income and expenditure is increased by 10% and 20% respectively....
A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in the calculation?
Out of his total income, Sanjay spent 50% on rent, 20% of the remaining income on groceries, and saved 30% of the income left after his expenses. Find t...
A scored 246 marks in an examination and B got 50 percent marks in the same examination which is 48 marks less than A. If the minimum passing marks in t...
The total strength of school A is 60% more than that of school B. In school A and B, out of total number of students, 10% and 20% respectively are girls...
Rahul saves Rs. 5800 more if he spends 55% of his income instead of 75%. Find the savings of Sumit whose income is 20% more than that of Rahul, and spen...
A bowl contains a colony of bacteria. Every hour, the bacteria population doubles, but immediately after doubling, a virus kills 40% of the population. ...
A person spent 34% of his monthly income on food and 33% of the remaining on rent. If amount spent on rent is Rs 1089, then find the amount spent on food.
A bag contains 350 coins of 25p denomination and 700 coins of 50p denominations. If 16% of 25p coins and 32% of 50p coins are removed, the percentage of...
