Home
Class 7
MATHS
In an exam of 25 questions, each answer...

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?

Text Solution

Verified by Experts

4 answers got `4 xx 4=16` marks `25-4=21` wrong answers. 21 marks. subtracted. 21 is subtracted from 16 gets `16-21=-5` marks
Promotional Banner

Similar Questions

Explore conceptually related problems

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?

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?

In an examination 20 question of true false type are asked suppose a student tosses a fair coin to determine his answer to each question if the coins falls heads he answers true if it falls tail he answers false find the probability thet he answers at least 12 question correctly.

In copying a second degree equation, the number without 'x' was written as 24 instead of '-24'. The answers found were 4 and 6 . What are the answers of the correct problem?

According to Bohr's theory, E_(n)= Total energy, K_(n) = Kinetic energy, V_(n) =Potential energy, r_(n/) = Radius of orbit. Each of these questions contains two statements: Statement 1 and Statement2. Each of these questions has four alternative choices, only one of which is the correct answer.

When does this branch get the lowest number? Put a √ mark against the correct one: While numbering from left to right. While numbering from right to left.

A student has to answer 6 out of 10 questions which are divided into two parts containing 5 questions each and he is permitted to attempt not mom than 4 from any group. In how many ways can he make up his choice?