Gui programmers sometimes refer to screen space as ____.

In a ____ combo box, the text portion is not editable.

A(n) __________ __________ is used to summarize the actions of the logical operators.

The ________ are small windows that display information and allow the user to perform actions.

In an object-oriented system, objects can ____ certain attributes from other objects.

Fourth-generation languages (4gls) are sometimes called ____.

To gain 10% on selling sample of milk at the cost price of pure milk, the quantity of water to be mixed with 50 kg. of pure milk is:

A lump of two metals weighing 18 g is worth Rs. 87 but if their weight is interchanged, it would be worth Rs. 78.60. If the price of one metal be Rs. 6.70 per gram, find the weight of the other metal in the mixture.

In a zoo, there are Rabbits and Pigeons. If heads are counted, there are 200 and if legs are counted, there are 580. How many pigeons are there?

An amount of Rs. 680 was invested at 6% rate of interest and another sum of money was invested at 10% interest. If the average interest on the total at the end of the year was 7.5%, how much was invested at 10%?

In a zoo, there are deers and ducks. If the heads are counted, there are 180, while the legs are 448. What will be the number of deers in the zoo?