With the increase in the price of sugar by 45%, a consumer can buy 9 kg less sugar for Rs. 1740. What is the increased price per kg of sugar?

72 grams is what percent of 3.6 kilograms?

Two students appeared for an examination. One student who scored 20 marks more than the other, his score was 60 % of the sum of their marks. What was his score?

75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively?

When the price of an audio system was reduced by 20%, the sale increased by 80%. What was the net effect on the sale?

The ratio of coins of 50 paisa, 25 paisa, and 10 paisa is 4:3:2. Find the total amount if the number of coins is 90.

The number of students in a school increases and decreases by 10% respectively in every alternate year. If there was increase in the year 2000 then in how much percentage what happened in the number of students in the vear 2003 in comparison to year 2000.

If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to-