If all bells are made from brass, brass is a metal and some metals are yellow in color, which of the following is/are the most appropriate answer/s?

If '+' means '-', '/' means '+', '-' means '*' and '*' means '/', what would be the value of 3030 / 20 * 50 + 10 - 220?

If engineers are called 'goats', doctors are called 'sheep', lawyers are called 'ducks', painters are called 'sparrows' and singers are called 'lions', what will Peter be called if he left engineering to become a painter and is now a singer?

Find the next number in the series 10, 2, 8, 2, 6, 2, __?

If some caps are hats, some hats are umbrellas, some umbrellas are coats and all coats are shirts, which of the following is correct?

Jack refused to buy a computer offered to him by Sam for $2048. A year later, Sam again offered Jack the same computer for $1280 but Jack refused again. The next year, he again offered Jack the same computer for $800. One year after that, the computer was again offered but Jack did not buy it. The following year, Jack bought the computer from Sam for $312.50. If the rate of discount offered every year were constant, at what price was the computer offered in the fourth year?