In an examination in which full marks were 500. A got 25% more than C, C got 20% less than D. If A got 360 marks. What percentage of full marks was obtained by D ? 

The radius of circle is increased by 1%. How much does the area of the circle increased? 

In a school there are 2000 students. On January 2nd, all the students were present in the school except 4% of the boys and on January 3rd, all the students are present in the school except 28/3% of the girls, but on both the days' number of students present in the school, were same. The number of girls in the school is –

Price of sugar rises by 20%. By how much percent should the consumption of sugar be reduced so that the expenditure does not change?

The prices of two articles are in the ratio 3 : 2 respectively. The price of the first article is increased by 40% and that of the second article is decreased by x%. If the new ratio of both the articles is : 7 : 3 then what is the value of x?

Radha spends 40% of her salary on food, 20% on house rent, 10% on entertainment and 10% on conveyance. If her savings at the end of a month are ₹ 1500, then her salary per month (in ₹) is  

0.08% of 120% of 40,000 is equal to___.

Find the greatest perfect square number of 5 digits.