I buy a 20% stock of face value 50/- at 45/- and sell it at 55/-. A year later, what is my yield

How much water must be added to 60 litres of milk at 1 ½ litres for 20 so as to have a mixture worth 10 2/3 a litre? 

Ajay spends 25% of his salary on house rent, 5% on food, 15% on travel, 10% on clothes and the remaining amount of Rs. 27,000 is saved. What is Ajay’s income?

What is 25% of 25% equal to?

76% of 1285 = 35% of 1256 + ?

A man invested 1/3 of his capital at 7%, ¼ at 8% and the remainder at 10%. If his annual income is Rs. 561, the capital is:

If group C contains 8 questions and group B carries at least 20% of the total marks, which of the following best describes the number of questions in group B?

A man invested 1/3 of his capital at 7%, 1/4 at 8% and the remainder at 10%. If his annual income is Rs. 561, the capital is

The true discount on Rs,2562 due 4monts hence is Rs .122 The rate percent is

The marked price of a watch was Rs. 720. A man bought the same for Rs. 550.80 after getting two successive discounts, the first being 10%. What was the second discount rate?