Search questions

Identify the incorrect sentence.

The population of insects increases by 20% every hour for 3 hours, then decreases by 10% in the 4th hour, and finally increases by 25% in the 5th hour. If the initial count was 10,000 , what will be the approximate population after 5 hours?

The price (per litre) of petrol increases by 60%. By what percent should its consumption be reduced such that the expenditure on it increases by 44% only?

If the numerator of a fraction is increased by 10% and its denominator is diminished by 10%, then the fraction becomes $\frac{11}{45}$. Find the original fraction.

The price (per litre) of petrol increases by 75%. By what percent should its consumption be reduced such that the expenditure on it increases by 47% only?

According to Census 2011, in which State is the difference in male and female literacy rates the lowest?

The cost price of an article is increased by 15% and later the new price is decreased by 15%. If the latest price of the article is ₹19,550, find the original cost price of the article.

The price of a mobile phone was ₹18,000 last year. It has increased by 15 $\frac{3}{4}\%$ this year. What is the current price of the mobile phone?