Physics how to score good marks

A student has to score 35% marks to pass an exam. Anjali scored 154 marks and failed by 21 marks. Find the maximum marks.

The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.(i) In which subject did the student score 105 marks?(Hint: for 540 marks, the central angle = 360°. So, for 105 marks, what is the central angle?)(ii) How many more marks were obtained by the student in Mathematics than in Hindi?(iii) Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi (Hint: Just study the central angles).

Savio scores x marks in Mathematics, y marks in Physics, and z marks in Chemistry. Calculate his total score in all three subjects.

Rahul scores 80 marks in English and x marks in Hindi. What is his total score in the two subjects?

Sunny scored x marks in Maths, y marks in Science and 50 marks in English. What is his total score in these three subjects?

Raza scored 30 marks in Maths, x marks in Science and y marks in English. What is his total score in these three subjects ?

The score of Ishita in Mathematics is 25 more than the two third of her score in Science. If she scored x marks in Science, determine her score in Mathematics.

In a class test (+ 3) marks are given for every correct answer and (–2) marks are given for every incorrect answer and no marks for not attempting any question. (i) Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she attempted incorrectly? (ii) Mohini scores –5 marks in this test, though she has got 7 correct answers. How many questions has she attempted incorrectly?(iii) Rakesh scores 18 marks by attempting 16 questions. How many questions has he attempted correctly and how many has he attempted incorrectly

There are 30 objective-type questions in an examination. For every correct answer, a student scores 5 marks and for very incorrect answer, 3 marks are deducted. If a student attempts all the questions and scores 94 marks, find how many questions he answered correctly.

In Figure, the pie-chart shows the marks obtained by a student in various subjects. If the student scored 135 marks in mathematics, find the total marks in all the subject. Also, find his score in individual subjects.