Average salary of Santosh and Renu is Rs 3600. If salary of Santosh and Renu is increased by 50% and 30% respectively then their total salary is increased by 35% then find salary of Renu is what percent more or less than salary of Santosh before increment?

The hourly wages of a mason have increased by 25%. Since the increase, the number of hours he works daily has reduced by 16%. If he was earning Rs. 120 per day before the increase, how much (in Rs.) is he earning now?

The MRP of a article is 60% above its manufacturing cost. The article is sold through a retailer, who earns 19% profit on his purchase price. What is the approx. profit percentage for the manufacturer who sells his article to the retailer? The retailer gives 15% discount on MRP.

Natasha decided to spend 45% of her salary on shopping. On completion of her shopping, she realized that she had spent only Rs.11475, which was 60% of what she had decided to spent. How much is Natasha’s salary?

In a factory, the production of cycles rose to 48,400 from 40,000 in 2 years. The rate of growth per annum is?

Two numbers are respectively 10% and 25% more than a third number. What percent is the first of the second number?

In an examination, 50% of the students passed in Science and 75% passed in Social Science, while 20% students failed in both the subjects. If 270 students passed in both subjects, find the total number of students who appeared in the exam?