In an exam where 1 ,mark is subtracted for each wrong answer, if the first two answers are wronğ, what would be the total marks then?

In an exam of 25 questions, each answer gets 4 marks and 1 mark is subtracted for each wrong answer. If one answered all and gets only 4 answers right. what would be the total mark?

If 4 strings of length (1)/(3) metre were laid end to end, what would be the total length?

An examination has 25 questions. Each correct answer gets 2 marks, for each wrong answer 1 mark is taken away. If answer is not written no marks will get. In this examination if one scored 6 answers are correct and 19 answers are wrong and other 5 answers are correct and 15 wrong and 5 are not answered. Who got more marks?

Suppose the sides of the first two squares are all 2 centimetres long. What Is the area of each of these?

To receive grade 'A' in a course, one must obtain an average of 90 marks or more in five examination (each of 100 marks). If sunita's marks in the first four examination are 87,92,94 and 95 find the minimum marks that sunita must obtain in the fifth examination to get grade 'A' in the course.

The surface: area of a solid sphere is 120 square centimetres. If it is cut into two halves, what would be the surface area of each hemisphere?

There is one spot at one side of the cube, two on another side, three on the third side and so on. There are spots on all the six faces, in this order. An other cube which is marked in the same way is taken.If both the cubes are thrown,what is the probability that the total number of spots on the upper faces is 6?

The diameter of two sphere are in the ratio 1:2 , what is the ratio between their total surface area.

Imagine a sports meet of liquids. Honey and water are the two participants in a race on a slopy surface. Before starting the competition if you are interviewed what will be your answer for the following questions. What is the basic of your predictions.