By mixing two brands of tea and selling the mixture at the rate of Rs. 177 per kg, a shopkeeper makes a profit of 18%. If to every 2 kg of one brand costing Rs. 200 per kg. 3 kg of the other brand is added, then how much per kg does the other band cost?

If A sells at a profit of Rs.2 per apple and B sells apples at a loss of Rs.2 per apple, such that at the end of the day, the net profit percentage of A is equal to the net loss percentage of B and the quantity of apples sold by each are the same their net profit or loss percentage is :

In a city, 40% of the people are illiterate and 60% are poor. Among the rich, 10% are illiterate. What percentage of the poor population is illiterate?

At what rate percent per annum will the simple interest on a sum money be 2/5 of the amount in 10 years?

Even after reducing the marked price of a transistor by Rs. 32, a shopkeeper makes a profit of 15%. If the cost price be Rs. 320, what percentage of profit would he have made if he had sold the transistor at the marked price?

The current birth rate per thousand is 32, whereas corresponding death rate is 11 per thousand. The net growth rate in terms of population increase in percent is given by:

If A’s salary is 25% higher than B’s salary, how much per cent is B’s salary lower than A’s

A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs. 100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay:

The cost price of 19 articles is equal to the selling price of 16 articles. Gain percent is: